Stories
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Briefs: Photonics/Optics
Practical space-based coherent laser radar systems envisioned for global winds measurement must be very efficient and must contend with unique problems associated with the large platform...
Products: Photonics/Optics
The MirusTM diode pumped solid-state laser system from Northrop Grumman Space Cutting Edge Optronics (St. Charles, MO) is available with 450 watts of output power. It features an RS...
Briefs: Photonics/Optics
The stimulation of nerve tissue is a technique that is used in both research and clinical applications. Neuroscientists use nerve stimulation to study the fundamental principles of the nervous system...
Briefs: Photonics/Optics
Nitrogen lasers have been used for more than 15 years in life science and forensic applications and will continue to play a role in many scientific and industrial applications. But...
Products: Photonics/Optics
Photonic Products (Huntington Beach, CA) has launched 8-mm-diameter laser diode modules for use in prepress plate alignment and laser alignment for label and wrapper cutting machinery, and medical applications such...
Briefs: Photonics/Optics
A method of adaptive signal processing has been proposed as the basis of a new generation of interferometric optical profilometers for measuring surfaces. Many current optical...
Products: Photonics/Optics
The SAR500x silicon avalanche photodiodes (Si-APD) from Laser Components (Hudson, NH) feature a 500-μm detector chip with a “reach-through” structure. This structure is responsible for sensitivity in the...
Products: Photonics/Optics
Optical Surfaces Ltd. (Surrey, UK) offers laser beam expanders for high-power laser and Doppler shift LIDAR applications. Manufactured to better than lambda/10 surface accuracy, the off-axis design of the beam expanders...
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 up...
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
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 insensitive...
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 Professor...
Briefs: Photonics/Optics
Flomerics, Inc., Marlborough, Massachusetts
Problems emerge when electromagnetically “hot” optical transceivers are placed into systems that are bound by emissions limits. Because...
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
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...
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 method...
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 output...
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 covers...
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...
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