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.

Products: Photonics/Optics

Coherent (Santa Clara, CA) has introduced the LAMBDA SX 315C excimer laser designed for low-temperature polysilicon (LTPS) crystallization used in the manufacture of flat-panel displays (FPD). The laser features pulse energy of...

Products: Photonics/Optics
Handheld Photometer

Designed for measuring area illumination, projector output, screen brightness, architecture lighting, room lighting, and color uniformity, Photo Research (Chatsworth, CA) has developed the PR-524 LiteMate illuminance handheld photometer system. The PR-524 features a cosine corrected receptor and measures illuminance. The...

Products: Photonics/Optics

The ESD-380DR high-speed color dome from ELMO USA Corp. (Plainview, NY) provides 360° continuous pan rotation at a travel speed from 5° to 400°/second. It operates from presets with 180° auto turnaround. The ESD-380DR features...

Products: Photonics/Optics

Lasson Technologies (Culver City, CA) has released the AIR-1550-TWM laser ultrasonic receiver for component inspection and nondestructive evaluation of material properties. Part of the AIR family of receivers, the...

Products: Photonics/Optics

MetroLaser (Irvine, CA) has announced the VibroMet 500V single-beam laser Doppler vibrometer that features a sensitivity range of 2 microns/sec, and a vibration velocity measurement range of 1 meter/sec. The laser is...

Products: Photonics/Optics

Sensors Unlimited, Goodrich Corp. (Princeton, NJ) has announced the SU640SDWH-1.7RT high-frame-rate, high-resolution, shortwave infrared (SWIR) camera. The indium gallium arsenide (InGaAs) camera has regions of...

Products: Photonics/Optics

The LV-1000 LED-based microscope light source from Micro-Lite® (Three Rivers, MA) incorporates LEDs as the light source. The illuminator features 360-degree, shadow-free uniform illumination; low voltage; and reduced glare....

Products: Photonics/Optics

LightSmyth Technologies (Eugene, OR) offers an integrated, single-mode-compatible, coarse WDM (CWDM) multiplexer based on the company’s nanophotonic filtering technology. The unit is passively athermal and polarization...

Articles: Photonics/Optics

Lasers are now used to micromachine virtually every type of material, including metals, plastics, glass, and ceramics. Micromachining is a highly diverse market that uses flash-pumped,...

Briefs: Photonics/Optics

University of Texas at Austin and Omega Optics, Austin, Texas

For decades, silicon has not been considered a favorable material for manipulating light. Electrical Engineering...

Briefs: Photonics/Optics

Flomerics, Inc., Marlborough, Massachusetts

Problems emerge when electromagnetically “hot” optical transceivers are placed into systems that are bound by emissions limits....

Briefs: Photonics/Optics
Quantum-Dot Laser for Wavelengths of 1.8 to 2.3 μm

The figure depicts a proposed semiconductor laser, based on In(As)Sb quantum dots on a (001) InP substrate, that would operate in the wavelength range between 1.8 and 2.3 μm. InSb and InAsSb are the smallest-bandgap conventional III-V semiconductor materials, and the present proposal is an...

Briefs: Photonics/Optics

A tunable third-order band-pass optical filter has been constructed as an assembly of three coupled, tunable, whispering-gallery-mode resonators similar to the one described in...

Briefs: Photonics/Optics

A method that would notably include dynamic pupil masking has been proposed as an enhanced version of a prior method of phasing the segments of a primary telescope mirror. The...

Briefs: Photonics/Optics
Pattern-Recognition Algorithm for Locking Laser Frequency

A computer program serves as part of a feedback control system that locks the frequency of a laser to one of the spectral peaks of cesium atoms in an optical-absorption cell. The system analyzes a saturation absorption spectrum to find a target peak and commands a laser-frequency-control...

Products: Photonics/Optics

Designed for the study of ultrafast phenomena such as electronic deactivation, intersystem crossing, vibrational relaxation, internal conversion, and intra-molecular electron transfer,...

Products: Photonics/Optics

Aculight (Bothell, WA) built the polarized Picasso Model PF1550PM-30 fiber laser for military and commercial applications. The fiber laser produces 4- to 6-ns pulses at repetition rates from 50 kHz to 200 kHz with 1-W average...

Products: Photonics/Optics

Hamamatsu Corp.’s (Bridgewater, NJ) C10082MD is a compact spectrometer unit that is designed for spectral evaluation of light sources, industrial color measurement, and other applications. Its CMOS linear image sensor...

Products: Photonics/Optics

Photon Machines (San Diego, CA) has introduced the ATLEX Series of excimer lasers, featuring a pre-ionization technique that delivers short pulse widths, high peak-power densities, and flat beams for laser...

Products: Photonics/Optics

The SIM Multi-Channel Framing Camera from Specialised Imaging Ltd. (Tring, Herts, UK) provides the choice of 4, 6, 8, or 16 separate optical channels. Effects such as parallax and shading are eliminated and the...

Products: Photonics/Optics

OSRAM Opto Semiconductors’ (San Jose, CA) Golden DRAGON LEDs offer bright daytime running light and low energy consumption. While thin-film technology ensures that almost all the light produced in the semiconductor chip is at the...

Products: Photonics/Optics

Photonic Products (Hertsfordshire, UK) offers a lead-free, blue-violet wavelength (405 nm) laser diode from Sanyo, the DL-5146-152 405 nm. The device is a 35-mW CW, (50-mW pulsed) laser diode that incorporates an internal...

Products: Photonics/Optics

The Cooke Corp.’s (Romulus, MI) pco.1200hs camera is a high-speed, 10-bit CMOS camera with integrated 1 GB, 2 GB, or 4 GB of RAM memory that enables image recording at rates up 1 GB/s. Designed for high-speed camera...

Products: Photonics/Optics

Nutfield Technology (Windham, NH) has introduced the XLR8-15 2-axis packaged scan head, the fastest 15-mm head in its class, according to the manufacturer. The scan head is designed to ease integration and...

Products: Photonics/Optics

Designed for optics testing, dBm Optics’ (Boulder, CO) Model 4200 Tunable Laser Source offers 2,000 nm/s tuning across 150 nm. A low-noise version is available for measurements requiring high dynamic range, such as the...

Products: Photonics/Optics

Analog Modules (Longwood, FL) Model 772 pulsed laser diode driver is a highly efficient (>70 percent), compact (4.3 × 2.7 × 1.5"), lightweight (

Articles: Photonics/Optics

During the 1980s, electronics companies began a two-fold move toward outsourced manufacturing and away from a vertical manufacturing infrastructure to focus on their...

Briefs: Photonics/Optics
Using Quasiparticle Poisoning To Detect Photons

According to a proposal, a phenomenon associated with excitation of quasi- particles in certain superconducting quantum devices would be exploited as a means of detecting photons with exquisite sensitivity. The phenomenon could also be exploited to perform medium-resolution spectroscopy. The...

Briefs: Photonics/Optics
Wavelength-Agile External-Cavity Diode Laser for DWDM

A prototype external-cavity diode laser (ECDL) has been developed for communication systems utilizing dense wavelength-division multiplexing (DWDM). This ECDL is an updated version of the ECDL reported in “Wavelength-Agile External-Cavity Diode Laser” (LEW-17090), NASA Tech Briefs, Vol....

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