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Basic Science Handbook Articles
Nanopositioning: A Step Ahead
Feb 1, 2016 — It is almost a cliché among students of creativity that innovation occurs at the intersection of fields. Since nanopositioning is a discipline that has enabled swiftly evolving application arenas as diverse as materials science, genomics, photonics, defense, biophysics and semiconductors, it’s unsurprising that its pace of innovation is nothing short of blistering in recent years. By its original definition, a nanopositioning device is a mechanism capable of repeatedly
Common Infrared Optical Materials and Coatings: A Guide to Properties, Performance, and Applications
Jan 1, 2015 — The purpose of this guide is to identify the most common infrared transmitting materials, point out their key properties, applications, products manufactured, surface specification options, and general antireflection (AR) coating options. AMTIR-1...
Detectors: Guideposts on the Road to Selection
Jan 1, 2015 — Choosing a detector requires evaluating many operating parameters and desired outcomes. This introduction provides a series of guideposts that will help lead the way to the right one. Any number of medical, industrial and analytical applications...
Physical Constants & Conversion Factors
Jan 1, 2015 — Table of Physical Constants & Conversion Factors.
Thin-Film Coatings: A Buyers' Guide
Jan 1, 2015 — What are thin-film coatings? Optical thin-film coatings modify the transmittance and reflectance properties of the substrate material to which they are applied. This article provides an objective overview of typical performance characteristics,...
Vibration Control: Limiting Mechanical Noise
Jan 1, 2015 — Vibration control plays a critical role in research and industry. Mechanical noise, for example, can obscure high-resolution images and affect the quality of nanotechnology processes. Fortunately, vibration can be controlled through proper...
Adhesives for Fiber Optics Assembly: Making the Right Choice
Mar 8, 2009 — Using the proper adhesive in the assembly of fiber optic components not only saves time and expense, but also can improve reliability and performance. Adhesives for fiber optic components that perform well on glass, metal, ceramic and most plastic...
Broadband Spectrophotometry: A Fast, Simple, Accurate Tool
Mar 8, 2009 — Broadband spectrophotometers coupled with relatively simple algorithms can provide fast, nondestructive and comprehensive characterization of thin films. Designing devices that incorporate ultrathin films is an important means of enhancing yields....
Camera Resolution: Combining Detector and Optics Performance
Mar 8, 2009 — Most image-quality discussions center on resolution, which is thought to uniquely determine system performance. Resolution, however, is a more complex concept. Camera resolution depends upon the optical blur diameter and the detector size. Schade...
Detectors: CCDs for Life-Science Applications
Mar 8, 2009 — The CCD camera is becoming the imaging method of choice in biological laboratories for its resolution, versatility and ease of use. Choosing the best CCD for a given application, however, requires knowing how basic chip parameters affect...
Detectors: The Charge Injection Alternative
Mar 8, 2009 — Charge-injection device (CID) technology provides a means to convert optical signals from 185 nm to 1100 nm to electronic charges that can be read out as a video signal or processed via computer. The CID imagers also are capable of directly (or...
Diamond Machining: Ultraprecision Machine Technology
Mar 8, 2009 — Ultraprecision machining can be defined in general terms as the removal of material from a substrate utilizing a machine tool that operates at a resolution of 10 nm (0.4 μin.) or less. The machining process may take the form of single-point...
Excimer Lasers: Photonic Stamps with Micron Resolution
Mar 8, 2009 — Representing today’s most cost-effective and dependable UV lasers, excimer lasers enable disruptive innovation in various growth industries. Excimers are pulsed gas lasers that deliver high output power and pulse energies in the ultraviolet...
Image Processing: Turning Digital Data into Useful Information
Mar 8, 2009 — Digital imaging provides the means to enhance features of interest while attenuating details that are irrelevant to a given application, and then extracts useful information about the scene from the enhanced image. Images are produced by many means:...
Laser Diodes: Specification Guidelines
Mar 8, 2009 — While some design engineers know exactly what they need from their laser diode, others may choose a partner to navigate what can be a complex development process. Laser diode manufacturers...
Optical System Design: Keeping the Coatings in Mind
Mar 8, 2009 — The design of optical systems should balance the coating constraints with the optical and mechanical requirements. Understanding the key properties and limitations of optical coatings enables the system designer to improve the performance of the...
Positioning System Performance: Understanding the Rules
Mar 8, 2009 — To make the right decisions and to ensure satisfactory performance in a positioning system, it is necessary to first have a grasp of performance parameters and an understanding of ...
High-Brightness LEDs: A Boost from High-Performance Silicones
Feb 22, 2008 — Ongoing advancements pave the way for high-power LEDs in broader application areas. High-brightness LEDs have found their way into applications such as signs and displays, cell phone flash modules, automotive lighting and general illumination. Some...
Adaptive Optics: Taming Atmospheric Turbulence
Apr 13, 2006 — To Isaac Newton the problem was clear, and in 1704 he realized the effects of atmospheric turbulence on image formation. Just as heat waves shimmering above a hot patch of ground can distort our view, the image of a distant object formed by a...
NSOM: Discovering New Worlds
Apr 13, 2006 — Near-field scanning optical microscopy (NSOM) is an optical microscopy technique capable of imaging objects with a resolution below the diffraction limit of conventional (far-field) microscopy; i.e., below approximately half the wavelength of the...
Semiconductor Lasers: An Overview of Commercial Devices
Apr 13, 2006 — Within only a few decades, the semiconductor laser diode has evolved into a family of robust, reliable devices, with individual conversion efficiencies of better than 60 percent, continuous output powers of several kilowatts, modulation rates of...
Spectroscopy: Mastering the Techniques
Apr 13, 2006 — Spectrochemical analysis employing optical spectroscopic methods is used to monitor the water we drink, the food we eat, the status of human health, and the quality of the environment. Such methods are also crucial to the development of safe and...
SWIR Imaging: An Industrial Processing Tool
Apr 13, 2006 — Imaging has long been used in industrial processes to measure, monitor, control, or otherwise manage the production of goods. The challenge to the process designer is to develop a tool that captures vivid and measurable contrast of the monitored...
(23 results found)
April 2024
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