Reference Articles 1 - 100 of 589
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Engraving Name Plates and Signing
Replato produces road signs, advertising displays, facade overprints, front panels, name plates and category plates. The company has 29 employees. Several production processes are being executed at...(read more)
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High Quality Cutting and Engraving of Acrylic and Marking of Steel
Actual Laser is a fast growing company, both in the industrial and the private sector. Apart from price, the relation between quality and price is most important, according to Mr. Frank Vermeiren....(read more)
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Laser Marking in the Food Industry
This butcher shop, headquartered in Marchtrenk, Austria, is a sausage manufacturer with attached restaurant. It is a direct supplier of numerous food stands. It also offers catering of cold plates,...(read more)
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Laser Technology for Model-Making
Projektdesign Holzhammer from the Austrian state of Tirol produces a variety of items for model railways: display cases, boxes or cabinets for presentation purposes or to lay out model sets. Whether...(read more)
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Bonding Components
Optical bonding improves sunlight readability and enhances mechanical and thermal performance of displays. Dontech is a leading designer and manufacturer of optical bonding components including: Cover...(read more)
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Optical Bonding Materials
Because most types of glass have a refractive index of 1.5, most adhesives used for optical bonding have a similar refractive index. Depending on the application, silicone, epoxy, acrylated urethane...(read more)
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Shedding Light on Machine Vision (.pdf)
To understand how important the right light can be for machine vision, try a simple experiment. Take a magazine outside on a sunny day and open it. The pages are easy to read. Tilt the magazine,...(read more)
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Fiber Optic Technology (.pdf)
Fiber optic cable is one of the fastest-growing transmission mediums for both new cabling installations and upgrades, including backbone, horizontal, and even desktop applications. It works very well...(read more)
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SiGe 43.2 Gb/s 4:1 Multiplexor and Clock Multiplier for OC-768 Fiber Communications
The next generation of optical fiber communications will require transmission speeds of higher than 40Gb/ s. The OC-768 Synchronous Optical Network (SONET) standard with Forward Error Correction (FEC)...(read more)
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Ultra-Precise 6D-Measuring System for Optical Surfaces (.pdf)
Inserts for precision optical molds make high demands on the testing process. Today, such testing can easily be automated with the help of interferometric measuring devices. Parallel-kinematics...(read more)
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Rapid Scanning Applications Drive Mirror Design (.pdf)
CTI Chief Scientist David Brown has developed several scanning mirrors for high speed applications using a variety of substrate materials and various "lightweighting" approaches. The optimum method...(read more)
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Analysis and Design of Vertical Cavity Surface Emitting Lasers - Preface
PREFACE Design and fabrication of vertical cavity surface emitting lasers (VCSELs) requires an iterative process, which is extremely expensive and time-consuming. The use of computer-aided design...(read more)
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Quantum Dot Glossary
Quantum Dot Glossary includes common terms and deep description of terms and definitions (and links to further information) in the Quantum Dot / Nanocrystal industry......(read more)
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Quantum Dots Explained...also known as nanocrystals.
Quantum Dots, also known as nanocrystals, are a non-traditional type of semiconductor with limitless applications as an enabling material across many industries. Each of Evident Technologies' quantum...(read more)
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Damage Thresholds of Optical Coatings (UV to near-IR) (.pdf)
With laser power levels rising steadily it has become more and more important to improve optical coatings with respect to their laser damage threshold (LDT)....(read more)
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High Energy Harmonic Separators (.pdf)
Second, third, fourth, and fifth harmonic generation at 532, 355, 266, and 213nm form a very important part of Nd:YAG laser technology....(read more)
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How to Choose the Right Optic (.pdf)
With the variety of choices available, it can be a daunting task to specify and choose the right optic for a given application....(read more)
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Lenses for Micro-machining with Fiber Lasers (.pdf)
Micro-machining applications require beam quality approaching diffraction limits for best performance which is why fiber lasers are becoming a popular choice in this space....(read more)
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Optical Materials (.pdf)
This article describes different types of optical materials....(read more)
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Optics for Fiber Laser Applications (.pdf)
Fiber lasers have found a processing and research niche where Nd:YAG lasers are too expensive or have beam properties which are undesirable....(read more)
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Pellin Broca Prisms (.pdf)
In a Pellin Broca prism, an ordinary dispersing prism is split in half along the bisector of the apex angle. Using a right-angle prism, the two halves are joined to create a dispersing prism with an...(read more)
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Polarization Tutorial (.pdf)
Four numbers are required to describe a single plane wave Fourier component traveling in the +z direction. These can be thought of as the amplitude and phase shift of the field along two orthogonal...(read more)
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Reflection, Transmission, and Phase Shift (.pdf)
Fresnel's equations relate the amplitudes for reflection and transmission to the incident field amplitude at a dielectric interface. From these equations, the power reflectivity and transmissivity can...(read more)
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Scanning Lenses and Systems (.pdf)
Laser scanning systems using galvanometer mirrors or rotating polygons require special scanning lenses to create flat (planar) imaging fields. Although standard scanning lenses provide the flat field,...(read more)
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Ultrafast Laser Mirrors (.pdf)
CVI has been providing researchers with optics optimized for femtosecond operation for over a decade. Now CVI offers dispersion control mirrors, which include the LGVD and the TNM2, to reduce pulse...(read more)
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Using Dispersing Prisms (.pdf)
Dispersing prisms are used to break a beam of light into its component colors. Generally, the light is first collimated and then dispersed by the prism. A spectrum is then formed at the focal plane of...(read more)
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Using Etalons (.pdf)
CVI is one of the world's largest etalon manufacturers. The etalons are most commonly used as line-narrowing elements in narrowband laser cavities, and as bandwidth limited and coarse tuning elements...(read more)
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Using Large Wedge Windows (.pdf)
Large wedge windows are laser quality windows manufactured with wedges of 1?, 2?, or 3?. These larger wedges prevent interference by stray reflection, and have several applications in beam steering....(read more)
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Waveplates (.pdf)
Waveplates operate by imparting unequal phase shifts to orthogonally polarized field components of an incident wave. This causes the conversion of one polarization state into another....(read more)
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Waveplates Offer Precise Control of Polarization (.pdf)
Even after grasping the theory behind polarization, choosing the right polarizer or waveplate for your application can still be confusing. Different technologies, wavelengths and bandwidths all...(read more)
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Dispersion Equations for Optical Materials (.pdf)
We use a Sellmeir equation to describe the dispersion of common materials, except crystal quartz....(read more)
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Lens Terminology (.pdf)
The following definitions refer to the singlet lens diagram below. In the paraxial limit, however, any optical system can be reduced to the specification of the positions of the principal and focal...(read more)
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Multi-Element Lenses (.pdf)
A multi-element lens system is required when the aberrations of a singlet lens are too large to satisfy focusing requirements. CVI offers two and three element lenses for use at focal ratios where...(read more)
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Optical Filter Specifications (.pdf)
Following is a short review of filter specifications to assist you in formulating requirements for your particular application....(read more)
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Optical Specifications (.pdf)
This document discusses different optical specifications....(read more)
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Perplexed by Polarizers? (.pdf)
When engineers, chemists and physicists discuss polarization, they could be talking about anything from the diffraction efficiency of a hologram to the precisions of a micromachining laser to the...(read more)
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Applied Quantum Mechanics, Second Edition
Applied Quantum Mechanics, Second Edition Using real-world engineering examples to engage the reader, the author of this detailed text makes quantum mechanics accessible and relevant to the...(read more)
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Architectural Engineering Design: Mechanical Systems
Architectural Engineering Design: Mechanical Systems With numerous illustrations and sizing tables that summarize vital data, this book provides essential criteria for designing plumbing,...(read more)
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Advanced Global Illumination, Second Edition
Advanced Global Illumination, Second Edition Providing a fundamental understanding of global illumination algorithms, this book discusses a broad class of algorithms for realistic image synthesis...(read more)
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Advanced Mechanics of Materials
Advanced Mechanics of Materials Written for undergraduate or postgraduate students in mechanical, civil and aeronautical engineering programs, this text is concerned with the development of...(read more)
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Ultra-Narrow-Band Tunable Laserline Notch Filter (.pdf)
We report on an angularly tunable laserline notch filter from 760 to 785 nm with optical density of 5.7, 3 dB bandwidth of 9 cm-1 (0.55 nm) and greater than 80% transmission. The notch filter is a...(read more)
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Mechanics and Mathematics of Crystals
Mechanics and Mathematics of Crystals A unique and comprehensive collection of pioneering contributions to the mechanics of crystals, this book presents a splendid corpus of research papers that...(read more)
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Photonic Glasses
Photonic Glasses Introducing the fundamental mechanism of photonic glasses, this book puts emphasis on new developments in the structure, spectroscopy and physics of new glassy materials for...(read more)
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The Principles of Semiconductor Laser Diodes and Amplifiers: Analysis and Transmission Line Laser Modeling
The Principles of Semiconductor Laser Diodes and Amplifiers: Analysis and Transmission Line Laser Modeling Focusing on the principle applications of SLAs, this book illustrates the growing...(read more)
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Airy Functions And Applications To Physics
Airy Functions And Applications To Physics Containing examples that succinctly illustrate the use of Airy functions in classical and quantum physics, this comprehensive text is devoted to the...(read more)
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Classical And Quantum Dynamics of the Multispherical Nanostructures
Classical And Quantum Dynamics of the Multispherical Nanostructures Presented from a skill-oriented point of view, this text provides calculation details of important properties of multilayered...(read more)
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Compact Self-aligned External Cavity Lasers Using Volume Gratings (.pdf)
We experimentally demonstrate a compact self-aligned external cavity 25W high power laser diode bar at 976 nm tunable over 0.5 nm with a bandwidth of 0.25 nm. The external cavity is based on double...(read more)
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High Power 7-GHz Bandwidth External-Cavity Diode Laser Array and its Use in Optically Pumping Singlet Delta Oxygen (.pdf)
Using a 14mm thick volume Bragg grating, spectral bandwidth of a cw-operated diode laser array is narrowed to 7GHz 9FWHM)....(read more)
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High Power Dense Spectral Combination Using Commercially Available Lasers and VHG's (.pdf)
Kilowatt optical power from fiber-coupled high power semi-conductor lasers (HPSLs) is commercially available on the market [1]. This power level is achieved by combining the output of many lasers...(read more)
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High-Performance Wavelength-Locked Diode Lasers (.pdf)
Rapidly maturing industrial laser applications are placing ever-tighter constraints on spectral width and wavelength emission stability over varying operating temperatures of high power diode pump...(read more)
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High-Speed Optical Transceivers: Integrated Circuits Designs And Optical Devices Techniques
High-Speed Optical Transceivers: Integrated Circuits Designs And Optical Devices Techniques Exploring the unique advantages and large inherent transmission capacity of optical fiber communication...(read more)
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Liquid Crystals: Frontiers In Biomedical Applications
Liquid Crystals: Frontiers In Biomedical Applications Providing a review of the interdisciplinary research already performed, this text reviews the advances being made in displays, spectroscopy,...(read more)
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Case Study - Light Butler: An Integrated Lighting System
While working on a home lighting project, Alan Butler found a need for a lighting control device that combined a digital timer, motion detector, photo sensor and dimmer in one compact package....(read more)
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Crisis Management in the Tourism Industry
Crisis Management in the Tourism Industry Illustrating the theories and actions that can be taken to better understand consumer, economic and environmental reaction to crises, this text shows...(read more)
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Lighting Techniques for Great Photo-Realistic Rendering
Rendering is all about simulating the real world as much as possible. If you are rendering something sitting on your table, think about everything that is going on in the room. What is around the...(read more)
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Phase Conjugate Laser Optics - Preface
Since the discovery of the laser in the 1960s, a great amount of research activity has led to an impressive increase of the overall performances of the sources emitting in the visible or in the...(read more)
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Unified Optical Scanning Technology - Preface
What is Optical scanning? Let me offer a definition. Optical scanning is a systematic articulation of light to provide information transfer. Then, what is information? Consider that it means simply...(read more)
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Why All The Talk About High Power LEDs?
By Brian Coates Lumex As published by Canadian Electronics March 2009 Issue Pages 12 - 13 It is the headlines worldwide. Cities, states and countries around the globe are transitioning away from...(read more)
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Fundamentals of Solid State Engineering, 2nd Edition
Fundamentals of Solid State Engineering, 2nd Edition Combining concepts from physics, chemistry, electrical engineering, materials science and mechanical engineering, this book introduces the...(read more)
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Introduction to Optics
Introduction to Optics Including the tools and methods currently used by researchers and engineers, this book covers the essential concepts of comprehension and reports the great progress of the...(read more)
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Automotive Isolation Amplifier for Voltage Sensing - White Paper (.pdf)
The use of high voltage electric modules in HEV automobiles and the associated isolation amplifiers are discussed here....(read more)
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Automotive Optocouplers - Beyond Meeting the Electrical Performance at High Temperature - White Paper (.pdf)
Here, we take a look at what goes into an automotive grade optocoupler beyond meeting high temperature electrical specifications. As part of the R2Coupler™ family, Avago Technologies' automotive...(read more)
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Distributed Feedback Semiconductor Lasers
Distributed Feedback Semiconductor Lasers This text covers the materials, operation and design strategies of DFB lasers. It provides detailed accounts of large-signal time-domain numerical...(read more)
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Fiber Optic Reference Guide: A Practical Guide to Communications Technology, Third Edition
Fiber Optic Reference Guide: A Practical Guide to Communications Technology, Third Edition This guide is an ideal primer for newcomers to the fiber optics industry as well as a useful reference...(read more)
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Fundamentals of Optical Waveguides, Second Edition
Fundamentals of Optical Waveguides, Second Edition An essential resource for any researcher, professional or student involved in optics and communications engineering, this clear, concise text...(read more)
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Power Stabilization of the Dual-Mode Laser Using Volume Holographic Gratings (.pdf)
We present a power stabilization method for a dual-mode Ti:Sapphire ring cavity laser. Without stabilization, mode competition caused the output power of the two modes to fluctuate by approximately 10...(read more)
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Radar Imaging and Holography
Radar Imaging and Holography Focusing on holography and tomography for quasimonochromatic and broadband signals, this book provides a detailed coverage of the basic physical methods, inverse...(read more)
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Recent Advances in Gossamer Spacecraft
Recent Advances in Gossamer Spacecraft Focusing on the advances in structures, materials, testing, and systems engineering, this book offers accurate and up-to-date information that has been...(read more)
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Solitons in Optical Fibers: Fundamentals and Applications
Solitons in Optical Fibers: Fundamentals and Applications Covering the soliton from both a theoretical and practical side, this indispensable reference contains all the industry professional or...(read more)
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Specialty Optical Fibers Handbook
Specialty Optical Fibers Handbook Including essential facts and details at the beginning of each chapter, this book aims to describe and explain the design, fabrication, operating characteristics,...(read more)
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Theory of Beam Columns: Space Behavior and Design, Volume 2
Theory of Beam Columns: Space Behavior and Design, Volume 2 With design procedure summaries as well as several examples, this book presents principles and methods of analysis for beam-columns in...(read more)
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Application Newsletter - Laser Marking Glass with a Co2 Laser, the SBM 1200M
Co2 lasers are an excellent method of laser marking and laser etching glass. They continue to replace inkjet and sandblast equipment in many glass-marking applications including automotive side glass,...(read more)
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Application Newsletter - Laser Marking Tools - What will they think of next?
Sawsalls are a favorite tool for those who like to quickly and easily cut through wood, plastics, metal, pipes and even wood with nails in it. Sawsalls are perfect for those hard to reach places, when...(read more)
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Application Newsletter-UID Marking Aluminum with the i-Series Fiber Laser
The Laser Photonics i-Series Fiber Laser was specifically designed for maintenance-free OEM applications. It's the most advanced, reliable, industrial grade Fiber Laser marking system available on the...(read more)
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Optical Bit Error Rate - Preface
Preface The key objectives in telecommunications—wired, wireless, or optical—are safe and cost-effective transportation and prompt delivery of the client’s undamaged data. How...(read more)
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Preface
Preface The term lightwave technology was coined as a natural extension of microwave technology and refers to the developments based on the use of light in place of microwaves. The beginnings of...(read more)
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Fiber Optic Media for Traffic Tunnel Devices
The use of fiber optic lines is increasingly common for traffic automation, and some governments have even requested fiber-optic cabling for all public communication systems due to the medium's...(read more)
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Preface
PREFACE DWDM, dense wavelength division multiplexing, is a new technology that, with the help of photonic components, "bootstraps" many individually modulated optical wavelengths in a single...(read more)
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Laser Trackers Shrink Aircraft-Sized Manufacturing Problems (.pdf)
Building aircraft has always been a struggle between the size of their components and the need to craft them carefully. More than any other device, airplanes epitomize the concept that "the devil is...(read more)
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Preface
Preface This book grew out of a series of courses that I developed and taught over many years in the areas of lasers, optoelectronics, and photonics. Although these courses have been taught in the...(read more)
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Diffraction, Fourier Optics and Imaging - Preface
Preface Diffraction and imaging are central topics in many modern and scientific fields. Fourier analysis and sythesis techniques are a unifying theme throughout this subject matter. For example,...(read more)
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Boeing, Sikorsky Ramp Up Next- Generation Transport Helicopters
Printed headline: Old Reliable Operations in Iraq and Afghanistan demonstrate that medium- and heavy-lift transport helicopters that perform well in hot and high conditions are vital—yet are...(read more)
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Bombardier adjusts Cseries design
Bombardier is starting to evaluate the latest data on potential engine offerings for the CSeries narrowbody the Canadian aircraft maker wants to put in service in 2013. Although taken off the front...(read more)
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Submarine Orders Are a Boon for Torpedo Market
The fastest way to sink a ship, a submariner once told a DTI editor, is to let water in at the bottom and air out of the top. That’s the role of the 533-mm. (21-in.)-dia. heavyweight torpedo, a...(read more)
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Advantages of DPSS Technology
Use DPSS lasers rather than the old flashlamp technology and you can get thousands of hours of reliable output when they are run within their rated parameters. Other advantages of DPSS lasers include:...(read more)
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Application Newsletter - Laser Cutting Natural Leather
Blue leather with 3-mm thickness was marked and cut by a 10 watt CW CO2 laser with 3.75-inch focal length lens. The speed of 50 mm/sec was used for etching surface with one pass and the speed of 10...(read more)
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Application Newsletter - Medical Device Marking with the FiberTower™
A stainless steel medical device part was marked using a 20Watt Fiber Laser Marking System. The part, for a medical saw, was marked with a single line, narrow font for speed purposes and a bold font...(read more)
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Food Processing Equipment Manufacturers Cutting Production Steps with Fiber Laser Systems
As demand increases in the food processing machinery industry, so does the need to use technology to find more efficient ways to manufacture the processing machines. Most of the equipment for the food...(read more)
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Adaptive Optics for Vision Science: Principles, Practices, Design, and Applications - Forward
The rationale for this handbook is to make adaptive optics technology for vision science and ophthalmology as broadly accessible as possible. While the scientific literature chronicles the dramatic...(read more)
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Laser Diode Principles (.pdf)
A number of questions and misconceptions surround the laser diode. Are all laser diode specifications identical? Do single-mode diodes always operate as single-mode? What effect does temperature...(read more)
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Advanced Fiber Grating Technology and Products (.pdf)
Fiber gratings sensors are passive, long life, immune to electromagnetic wave interference and work well under high temperature and pressure. Each sensor is cable of self referencing because it works...(read more)
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Minimize Electrical Interference for Railroad Monitoring Systems
In order to minimize electrical interference in a communication system between train stations, industrial media converters were used to connect RTUs and PLCs to Ethernet switches by fiber optic cable....(read more)
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Automated Control of Amplified Pulse Duration Using the Dazzler™ / DazScope™ Solution (.pdf)
Pulse shaping systems are now widely used by the ultrafast laser community for applications ranging from coherent control to multi-photon microscopy. Of particular interest is the ability to directly...(read more)
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Computer Controlled Variable Attenuator for Lasers (.pdf)
This application note describes a closed loop computer controlled variable attenuator (figure 1) for the control of output power of a laser. It is based on the combination of a 1/2 wave-plate and...(read more)
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Reliable LEDs for Automotive Grade Optocouplers - White Paper (.pdf)
One of the key enablers for optocouplers to handle auto¬motive grade 1 applications is the use of very high per¬formance LEDs. The LED light output dropping by less than 0.2%/°C, aids in achieving...(read more)
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Workstation for Laser Direct-Write Processing (.pdf)
Lasers exhibit a number of features that makes them unique sources of energy for several material processing methods. For example, they are indispensable tools for drilling, welding, and cutting in...(read more)
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Optical Switching - Preface
Preface Although the widespread use of personal computers is often cited as one of the factors contributing to the crisis of human relations manifested by estrangement and lack of interpersonal...(read more)
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Safely Lighting Hazardous Environments (.pdf)
Lighting fixtures play a critical role in the safe, efficient and productive operation of any industrial facility or production process. Darkened, enclosed and round-the-clock operations rely on them...(read more)
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Overview of NEC / CEL Optocoupler Products for Motor Control Applications (.pdf)
This paper addresses various applications where NEC/CEL optocouplers offer galvanic isolation for driving MOSFET / IGBT devices in industrial applications including general-purpose inverters, AC...(read more)
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Case Study: Fiber Laser vs CO2 Laser
Laser marking on stainless steel with a CO2 laser is very timely and messy process. Due to the reflective nature of the metal surface and the operational wavelength, CO2 laser systems require a laser...(read more)
