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Articles: Photonics/Optics
One of the key advantages of fiber laser technology stems from the high conversion efficiency of the multimode pump radiation into high-brightness, single-mode laser light within the doped fiber...
Application Briefs: Photonics/Optics
Optical and optoelectronic (OE) devices are being rapidly integrated into many facets of everyday life. From telecommunications to sensor applications, these devices are expected to perform...
Briefs: Photonics/Optics
Recirculation of Laser Power in an Atomic Fountain
A new technique for laser-cooling atoms in a cesium atomic fountain frequency standard relies on recirculation of laser light through the atom-collection region of the fountain. The recirculation, accomplished by means of reflections from multiple fixed beam-splitter cubes, is such that each of two...
Briefs: Photonics/Optics
A simplified method of generating a beam of light having a relatively high value of angular momentum (see figure) involves the use of a compact apparatus consisting mainly of a laser, a...
Briefs: Photonics/Optics
Two interferometric quantum-nondemolition (QND) devices have been proposed: (1) a polarization-independent device and (2) a polarization-preserving device. The...
Briefs: Photonics/Optics
Ring-Down Spectroscopy for Characterizing a CW Raman Laser
A relatively simple technique for characterizing an all-resonant intracavity continuous- wave (CW) solid-state Raman laser involves the use of ring-down spectroscopy. As used here, “characterizing” signifies determining such parameters as threshold pump power, Raman gain, conversion...
Products: Photonics/Optics
Intense, Ltd. (Glasgow, UK) released Hermes™, a family of High Power Laser (HPL) products. Included are single emitters, bars, conductively and micro-channel cooled bars, and stacks. The...
Products: Materials
Patterned dichroic filters from Deposition Sciences, Inc. (Santa Rosa, CA) operate over a wide range of wavelengths, from near ultraviolet to infrared. Able to be applied in a variety of substrates in multiple shapes and...
Products: Photonics/Optics
Laser Design (Minneapolis, MN) released the SLP-2000 3D laser-scanning probe with an extra-long-laser line (8") and standard dual CMOS receptors. The device captures 50,000 to 75,000 points per second. The probe is...
Products: Photonics/Optics
The P-2000 multi-option polarimeter from JASCO (Easton, MD) is designed to be customizable with options to handle a researcher’s initial requirements and then upgraded at a later date. The unit can operate via a PC with Windows®...
Products: Photonics/Optics
The 2D Image Simulation feature in CODE V® 9.7 from Optical Research Associates (Pasadena, CA) allows users to visualize overall performance and communicate design tradeoffs to non-optical personnel. The function displays an...
Products: Photonics/Optics
The model 642 Extreme Ultraviolet (EUV) light source from McPherson, Inc. (Chelmsford, MA) utilizes a filament to produce electrons that are accelerated toward a target by high voltage. It is stable, debris-free, and...
Products: Photonics/Optics
Cincinnati Inc. (Cincinnati, OH) introduced the CL-707 high-speed, super-size laser with interchangeable 8 × 20' cutting tables. The linear motor drive delivers 10,000 ipm head positioning. The 5 kW power of the cutting...
Products: Photonics/Optics
OPTEK Technology (Carrollton, TX) offers the OPF670 series of fiber optic LED transmitters for integration into data communications equipment. The series consists of the OPF670 in a TO-46 package, the OPF672 in a standard...
Products: Photonics/Optics
Liekki (Lohja, Finland) has released square and rectangular optical fibers for high-power delivery applications. Square- and rectangular-shaped fibers more closely match optical sources. Different combinations —...
Products: Photonics/Optics
The TLS Series of software-controlled (Windows®) wavelength tunable light sources from Optometrics Corp. (Ayer, MA) can be used for detector sensitivity testing, color matching, and characterization, as well as...
Briefs: Photonics/Optics
Complex Type-II Interband Cascade MQW Photodetectors
Multiple-quantum-well (MQW) photodetectors of a proposed type would contain active regions comprising multiple superlattice subregions. These devices would have complex structures: The superlattice of each subregion would be designed for enhanced absorption of photons in a desired wavelength band...
Articles: Photonics/Optics
Machine vision acquisition architectures come in many different forms, but they all have the same end goal — to transfer image data from a physical sensor into a processing unit that can analyze the image and...
Application Briefs: Photonics/Optics
The James Webb Space Telescope (JWST) is scheduled for launch in 2013 and aims to unravel the history of earlier galaxies, linking the Big Bang to the Milky Way Galaxy. JWST’s...
Articles: Photonics/Optics
Optical scanners, or servo-controlled, limited-rotation motors with laser-beam steering mirrors, were first introduced 40 years ago by General Scanning. Since then, they have...
Application Briefs: Lighting
The inherently interdisciplinary nature of developing instrumentation for life sciences requires a high level of collaboration between scientists and engineers across the fields...
Briefs: Photonics/Optics
Lion Precision and Professional Instruments, St. Paul, Minnesota
High-performance materials such as ceramics, optics, and alloy steels are manufactured using abrasive grinding...
Briefs: Photonics/Optics
Coherent, Inc., Santa Clara, California
Q-switched, diode-pumped solid-state lasers with an end-pumped cavity design are now widely used in micromachining, materials processing,...
Briefs: Photonics/Optics
Microelectromechanical systems (MEMS) of a proposed type would be designed and fabricated to effect lateral and vertical alignment of optical fibers with respect to optical,...
Briefs: Photonics/Optics
Optical Characterization of Molecular Contaminant Films
A semi-empirical method of optical characterization of thin contaminant films on surfaces of optical components has been conceived. The method was originally intended for application to films that become photochemically deposited on such optical components as science windows, lenses, prisms,...
Products: Photonics/Optics
View these and other new products on display by exhibitors at Photonics West, January 23-25, in San Jose, CA. Visit Photonics Tech Briefs at Booth 435. Visit http://spie.org/Conferences/programs/07/pw/ for more...
Application Briefs: Photonics/Optics
Boston Micromachines, a provider of MEMS-based deformable mirror products for adaptive optics systems, is developing a deformable mirror that will aid NASA in the search for extra-solar...
NASA Spinoff: Photonics/Optics
Originating Technology/NASA Contribution
With retirement of the space shuttle imminent, and the commercial space industry burgeoning, NASA is searching for safe and innovative methods...
Briefs: Photonics/Optics
An enhanced alignment cube has been invented for use in a confined setting (e.g., a cryogenic chamber) in which optical access may be limited to a single line of sight. Whereas traditional alignment-cube...
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