Photonics/​Optics

Photonics

Find the latest news and technical briefs on next-generation photonics technologies. Learn more about applications like biophotonics, silicon photonics, and green photonics.

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...

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...

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...

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...

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...

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...

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...

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: Photonics/Optics

The inherently interdisciplinary nature of developing instrumentation for life sciences requires a high level of collaboration between scientists and engineers across the...

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...

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...

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,...

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...

NASA Spinoff: Manufacturing & Prototyping
Originating Technology/NASA Contribution

With retirement of the space shuttle imminent, and the commercial space industry burgeoning, NASA is searching for safe and innovative...

Articles: Photonics/Optics

In the optical communications industry, it’s important to look back before you look forward. History has a way of putting the future into perspective.

Articles: Photonics/Optics

The high-power laser diode market has grown rapidly in the last twelve months, a trend that is set to continue throughout 2006 and beyond. The global market for laser systems is forecast to grow by 8% in...

Articles: Photonics/Optics

Optical software programs provide optical designers with the means to predict and analyze performance characteristics of optical systems without experimental prototyping. Looking ahead into 2007,...

Briefs: Photonics/Optics

Holographic retroreflectors that function equivalently to Plossl eyepieces have been developed and used in free-space optical communication systems that utilize laser beams. Plossl eyepieces are well known...

Briefs: Photonics/Optics

A scanning optoelectronic instrument generates the digital equivalent of a three-dimensional (X,Y,Z) map of a surface that spans an area with resolution on the order of 0.005 in....

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