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optical Features
Advanced Filters Help Space Lasers Deliver Internet from Above
Rapid, on-demand access to information is a necessary facet of daily life in the present “age of communications.” The reliable communication links that society necessitates support person-to-person and device-to-device communications at...
Photonics Spectra, March 2024
Lasers: A Unique Microscopy Source
The optical microscope dates back to the time of Galileo. For most of the past century, microscopy was widely regarded as a ubiquitous and extremely mature field. Today, the picture is very different. Optical microscopy is an incredibly dynamic...
Photonics.com, December 2018
New Approaches Improve Beam Expansion
Afocal beam expansion systems based on the basic principles of Kepler and Galileo telescopes can be improved in terms of wavefront quality by using additional optical surfaces or aspherizing them using monolithic beam expansion elements. Everyday...
Photonics Spectra, March 2014
High-Precision Wafer-Level Optics Fabrication and Integration
The evolution of micro-optical components for camera modules is today being strongly driven by the mobile phone industry, while manufacturers of conventional camera modules – which are assembled from a multitude of individual parts – are...
Photonics Spectra, December 2010
The Building Blocks of Micro-Optical Systems Integration: A Primer
Custom integration projects have specific performance requirements that a commercially available microscope alone cannot provide. Although microscope components are key to the product’s design and performance, selecting these parts can be...
Photonics Spectra, December 2010
Choosing a Material for Use in the Infrared
Creators of infrared systems often encounter difficulty when trying to select the proper materials for their optical designs. Part of the challenge is gathering information on the physical properties of IR materials. The other part is understanding...
Photonics Spectra, November 2010
Monolithic Photonic Integrated Circuits for 10G Passive Optical Networks
Continually escalating demands for broader penetration of higher bandwidth, faster performance and rich-media applications are driving the ongoing worldwide deployment of fiber-based services. Even in the face of global economic challenges during...
Photonics Spectra, September 2010
Near-Infrared Bandpass Filters for Astronomy
Near-infrared filters operate within a wavelength range of 800 to 5000 nm and typically consist of multiple thin-film interference layers of silicon/ silicon compounds deposited on a suitable optical substrate. They can be manufactured in narrow-...
Photonics.com, August 2010
Measurement of centering errors, automated adjustment and mounting of lenses
Classical optical measurement techniques combined with modern PC technologyprovide accurate alignment, bonding and cementing of optical components and systems. These processes are fully automated and significantly reduce production time and cost....
Photonics.com, June 2010
Old School Versus New in Optical Topology Testing
For the past 100 years or so, makers of optical components have relied on Fizeau interferometers to check surface quality. These devices have allowed manufacturers to detect defects via deviations from regular fringe patterns. However, Fizeau...
Photonics.com, December 2009
Light Creates Tiny Patterns
The old trick, practiced by schoolboys everywhere, of concentrating a beam of sunlight through a magnifying lens to ignite paper -- or an unfortunate ant -- has been given a new twist. By using a microscopic plastic bead in place of the lens and...
Photonics.com, June 2008
Photonics and Engineering Drive German Marke
According to “Industry Report 2005: The Optical, Medical and Mechatronical Industry in Germany,” released by Spectaris eV of Berlin, approximately 55 percent of business conducted in these sectors in 2004 was driven by photonics and precision...
Photonics Spectra, January 2006
Monolithic Optics Enable Next-Generation Designs
The traditional design paradigm that optical and optomechanical engineers use to develop optical assemblies is fairly straightforward and compartmentalized. It starts with the optical design of a series of discrete optics in free space, then...
Photonics Spectra, November 2004
Optical Ceramics Look to Commercial Applications
Stopping a projectile traveling at 2000 feet per second is no easy task. To do so, manufacturers of bullet-resistant glass rely on extra-thick glass and plastic laminates. But more thickness means added weight, which is not what you want when trying...
Photonics Spectra, August 2004
Astronomical Research Spawns Detector Innovation
From the middle of the Pacific, Gerard Luppino has a good view of the future and of the past. Luppino, an astronomy professor at the University of Hawaii’s Institute of Astronomy in Honolulu, has access to the optical and infrared observatories...
Photonics Spectra, July 2004
Integrating Spheres Boost Repeatability of Diode Tests
In the past few years, laser applications and, consequently, laser manufacture have experienced a significant increase. Although the upsurge has been driven primarily by telecom’s explosive growth, the rising medical and industrial laser markets...
Photonics Spectra, May 2004
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April 2024
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