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Blog: Physical Sciences
Chain-mail Fabric
University of Illinois scientists have fabricated the world's smallest chain-mail fabric that consists of a network of small rings about 500 microns in diameter and even smaller links about 400 microns long. The rings and links are built upon a planar substrate and then released to create a flexible sheet that can bend along two...
Briefs: Physical Sciences
A filter function has been derived as a means of optimally weighting the wavefront estimates obtained in image-based phase retrieval performed at multiple points distributed over the...
Articles: Photonics/Optics
Like most mature industries, the automotive industry is highly competitive. Customers demand quality, security, and economy. Competition requires increasingly fast times to market for new...
Application Briefs: Photonics/Optics
As warfare becomes more asymmetric, civilians and other non-combatants become a larger percentage of the casualties, along with unintended property damage. The military, of...
Briefs: Photonics/Optics
An atom laser now undergoing development simultaneously generates two pulsed beams of correlated 87Rb atoms. (An atom laser is a source of atoms in beams characterized by coherent matter waves,...
Briefs: Photonics/Optics
A rugged, tunable extended-cavity diode laser (ECDL) has been developed to satisfy stringent requirements for frequency stability, notably including low sensitivity to vibration. This laser is...
Products: Photonics/Optics
Perceptron (Plymouth, MI) offers the ScanWorks® hand-held 3D laser scanner that features a scanning rate of up to 458,000 points per second and can maintain a dense point resolution of approximately 14 microns. The...
Products: Photonics/Optics
FARO Technologies (Lake Mary, FL) has released version 4.0 of its family of laser-scanning software: FARO Scene, FARO Scout, FARO Scout LT, and FARO Record. The user-friendly software packages are used for...
Products: Photonics/Optics
SCHOTT North America (Elmsford, NY) offers the Beam Shaper laser technology, capable of shaping “square” light from an individual laser diode or rows of strings of laser diodes into a beam of light that has a round profile and...
Products: Photonics/Optics
The Microgage 2D system from Pinpoint Laser Systems® (Newburyport, MA) measures the flatness of machinery and production equipment. The unit measures flatness of rolls, moving machinery stages, gantry systems, actuators, and...
Products: Photonics/Optics
Reynard Corp. (San Clemente, CA) provides Circular Variable Neutral Density (CVND) filters for use in optical systems to change light intensity from 100% to less than 0.1%. The filters are specified for linear optical density or...
Products: Photonics/Optics
The Photonis Group (Lancaster, PA) has introduced the XP1322, a 13-mm-round photomultiplier tube featuring high gain and low noise that covers the spectral range of 270 to 650nm. The device is designed for applications such...
Products: Photonics/Optics
Headwall Photonics (Fitchburg, MA) offers the Raman ExplorerTM 532 Raman spectrometer. Featuring a retro-reflective concentric design, the device utilizes a 532-nm excitation laser for biological (pathogenic) and...
Products: Photonics/Optics
The LasirisTM PowerLine laser from StockerYale, Inc. (Salem, NH) is a line generator for industrial and scientific applications. A thermoelectrically cooled laser, the device is able to emit up to 1 W at 810 nm and 500 mW...
Products: Photonics/Optics
LINX from Electron Tubes, Inc. (Rockaway, NJ) is a linear x-ray sensor that can be expanded to provide an array of any required length; x-rays are detected using a scintillator and photo-diode array. Detector pitch is 1.6 mm or 0.8...
Products: Photonics/Optics
Tyco Electronics Corp. (Harrisburg, PA) introduced a line of sealed circular LC ODVA compliant fiber optic connectors, carrying an IP67 environmental sealing rating. The units resist moisture, temperature, and humidity,...
Products: Photonics/Optics
Gamma Scientific (San Diego, CA) offers SynthiColorTM, a software program that equips the company’s RS-5B spectrally programmable light source with interactive programmability and control. The software provides spectral...
Products: Photonics/Optics
LED Solid-State Lighting
Cree, Inc. (Durham, NC) released the white Cree XLamp® 7090 power LED. Available in volume quantities, the unit produces luminous flux of up to 95 lumens or 85 lumens per watt at 350 mA, and up to 160 lumens at 700 mA (typical luminous flux is 80 lumens at 350 mA, yielding 70 lumens per watt). Designed for general lighting...
Products: Photonics/Optics
Fiber optic attenuator kits from Timbercon, Inc. (Lake Oswego, OR) provide a means of producing multiple levels of attenuation for several fiber optical cables, and can conduct testing or processing where exact dB...
Products: Photonics/Optics
Prosilica (Burnaby, Canada) offers the GC Series, a line of ultra-compact gigabit Ethernet cameras for machine vision and industrial applications. With dimensions of 4.3 × 4.6 × 3.3 cm and a weight of 99 grams,...
Products: Photonics/Optics
Resonator Optics
Alpine Research Optics (ARO, Boulder, CO) provides off-the-shelf intracavity resonator optics for excimer lasers. These are rear high reflectors and uncoated output couplers for use with ArF (193 nm), KrF (248 nm), and XeCl (308 nm) excimer lasers. Both rear mirrors and output couplers are offered in 38.1 mm diameter MgF2...
Products: Photonics/Optics
Picoseconds Amplifier Laser
Time-Bandwidth Products, Inc. (Westfield, MA) offers a compact and sealed OEM version of its picoseconds, high repetition rate DuettoTM laser system for industrial and scientific applications like material processing, micro machining, biological tissue manipulation, pump-probe spectroscopy, surface metrology, and...
Briefs: Physical Sciences
Balloon for Long-Duration, High-Altitude Flight at Venus
A document describes a 5.5-m-diameter, helium-filled balloon designed for carrying a scientific payload having a mass of 44 kg for at least six days at an altitude of about 55 km in the atmosphere of Venus. The requirement for floating at nearly constant altitude dictates the choice of a...
Briefs: Electronics & Computers
Wide-Temperature-Range Integrated Operational Amplifier
A document discusses a silicon-oninsulator (SOI) complementary metal oxide/ semiconductor (CMOS) integrated- circuit operational amplifier to be replicated and incorporated into sensor and actuator systems of Mars- explorer robots. This amplifier is designed to function at a supply potential...
Briefs: Medical
Wearable Environmental and Physiological Sensing Unit
The wearable environmental and physiological sensing unit (WEPS) is a prototype of systems to be worn by emergency workers (e.g., firefighters and members of hazardous-material response teams) to increase their level of safety. The WEPS includes sensors that measure a few key physiological and...
Briefs: Physical Sciences
A focus-diverse phase-retrieval algorithm has been shown to perform adequately for the purpose of image-based wavefront sensing when (1) broadband light (typically spanning the visible...
Briefs: Physical Sciences
A phase-diverse iterative-transform phase-retrieval algorithm enables high-spatial-frequency, high-dynamic-range, image-based wavefront sensing. [The terms "phase-diverse," "phase...
Briefs: Physical Sciences
In an alternative hardware design for an apparatus used in image-based wavefront sensing, defocus diversity is introduced by means of fixed lenses that are mounted in a filter wheel (see...
Briefs: Electronics & Computers
Smooth phase interpolated keying (SPIK) is an improved method of computing smooth phase-modulation waveforms for radio communication systems that convey digital information. SPIK is applicable to a variety of...
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