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Articles: Photonics/Optics
It is hard to see how machine-vision camera manufacturers produce decent-quality products at reasonable prices. The multi-megapixel sensors at the heart of current machine-vision cameras are among...
Application Briefs: Photonics/Optics
Semiconductor manufacturers need the flexibility of a wafer-cutting machine that supports various wafer sizes and cuts them without the mechanical and thermal damage often seen...
Briefs: Photonics/Optics
A proposed free-space optical communication system would operate in a full-duplex mode, using a single constant-power laser beam for transmission and reception of binary signals at both...
Briefs: Photonics/Optics
A scheme for stabilizing the frequency of a microwave signal is proposed that exploits the operational characteristics of a coupled optoelectronic oscillator (COEO) and related...
Briefs: RF & Microwave Electronics
Optical oscillators that exploit resonantly enhanced four-wave mixing in nonlinear whispering-gallery-mode (WGM) resonators are under investigation for potential utility as low-power,...
Briefs: Photonics/Optics
Narrow-band filters in the form of phase-shifted Fabry-Perot Bragg gratings incorporated into optical fibers are being developed for differential-absorption lidar (DIAL) instruments...
Briefs: Photonics/Optics
Photon, Inc., San Jose, California
A common misconception is that beam collimation angle measurements must involve a least two or more beam size measurements along the beam path. For this reason,...
Briefs: Photonics/Optics
Glasses that comprise rare-earth oxides and aluminum oxide plus, optionally, lesser amounts of other oxides, have been invented. The other oxide(s) can include SiO2, B2O3, GeO2, and/or any of...
Products: Photonics/Optics
Melles Griot Optics Group (Rochester, NY) has released the ExtremeService™ shutter designed for operation in environmental conditions involving variations in temperature. The shutter is suitable for OEM...
Products: Photonics/Optics
Bristol Instruments (Victor, NY) offers the LC Series fiber-optic laser couplers that can be used to launch a free-space laser beam into a fiber, or return the laser to a collimated free-space beam. The couplers...
Products: Photonics/Optics
TT Electronics OPTEK Technology (Carrollton, TX) offers the OPB856Z Series wide-gap optical sensor that includes an emitter-sensor pair. The sensor consists of an LED and a phototransistor designed to operate over distances of...
Products: Photonics/Optics
Universal Laser Systems (Scottsdale, AZ) has added a laser platform to its XL Series of industrial CO2 laser processing systems that can provide 400 watts of air-cooled laser power. The laser utilizes direct air-cooling,...
Products: Photonics/Optics
FBG Sensor Arrays
QPS Photronics (Montreal, QE, Canada) offers sensor arrays with 100 Fiber Bragg Gratings (FBGs) in each array, with the total length of the fiber measuring 20 kilometers. Through a front-end switch matrix, 16 of these fiber arrays can be connected together to form a Star Network that contains a total of 1,600 sensors. This fiber...
Products: Photonics/Optics
A custom CCD camera capable of operating at 100 million frames per second is available from KAMAN Electro-Optics Dev. Center (Tucson, AZ). The camera’s 10-nsec exposures offer speed-of-light image capture outside the gated-ICCD...
Products: Photonics/Optics
The X1-1 + XD-9506-4 UV hazard meter and detector from Gigahertz- Optik (Newburyport, MA) can operate and display separate UV-C/B and UV-A detector measurements, and can calculate and display the sum of the two detector readings...
Products: Photonics/Optics
PerkinElmer Optoelectronics (Fremont, CA) has introduced the MultiBlue™ multi-purpose CCD imaging camera featuring 12-bit output depth and USB 2.0 and IEEE-1394b FireWire interfaces that provide dual plug-and-play connectivity....
Products: Photonics/Optics
OPTRA (Topsfield, MA) offers a laser event recorder that measures, characterizes, and documents laser exposures in support of dosimetry requirements for the protection of personnel working with, or who could potentially be...
Products: Photonics/Optics
Cleveland Crystals (Highland Heights, OH) has introduced the CRS150 counter rotation stage that can facilitate simultaneous angle-tuning of two crystals oriented for compensation of birefringent walkoff. The walkoff...
Products: Photonics/Optics
The TT-02 from ELMO USA Corp. (Plainview, NY) is an XGA-output Visual Presenter that enables users to share information, documents, and small 3D objects with audiences. The camera contains a 5.3× optical zoom, 8× digital zoom,...
Products: Photonics/Optics
Optical Surfaces (Surrey, UK) offers standard and custom optical flats measuring up to 600 mm in diameter and manufactured of materials such as glass, Zerodur, and silica. The optical flats can be used for measuring surface...
Products: Photonics/Optics
CMOS Camera
Lumenera Corp. (Ottawa, ON, Canada) has introduced the Lw290, a USB 2.0 digital camera based on the company’s 1080P HD sensor. The 16:9 HD format, 2.0-megapixel CMOS sensor provides 20 frames per second at full 1920×1080 resolution. Higher frame rates are available at lower resolution, with full sub-window control and live focusing...
Products: Photonics/Optics
Diode Laser Platform
Spectra-Physics, a Division of Newport Corp. (Tucson, AZ), has released a 900- to 980-nm diode laser platform based on epitaxial design. The diode laser platform provides CW power conversion efficiency to 71% for 940-nm single emitters (15°C case temperature). More than 68.5% peak PCE at 25°C may be achieved from...
Briefs: Photonics/Optics
A scheme is proposed for referencing the propagation direction of the transmit laser signal in pointing a free-space optical communications terminal. This recently...
Who's Who: Photonics/Optics
Visible light is only one narrow band of the electromagnetic spectrum, and doesn't always tell scientists what they need to know. Infrared, which is outside...
Articles: Photonics/Optics
Historically, high-energy (Joule-class) nanosecond YAG lasers have been confined primarily to laboratory research facilities and government labs. System designs were unique for...
Articles: Photonics/Optics
Design for Manufacturing (DFM) has taken off like a rocket in the electronics industry in recent years. Performing process and device simulations on CMOS transistors in a DFM flow have proven to be...
Articles: Photonics/Optics
It is widely known that the light emitting diode (LED) R&D and commercialization community is striving to produce higher power, bright-white-light LEDs. From both a temperature and...
Briefs: Photonics/Optics
Simplified Optics and Controls for Laser Communications
A document discusses an architecture of a spaceborne laser communication system that provides for a simplified control subsystem that stabilizes the line of sight in a desired direction. Heretofore, a typical design for a spaceborne laser communication system has called for a high-bandwidth...
Briefs: Photonics/Optics
A method of coherent detection of high-rate pulse-position modulation (PPM) on a received laser beam has been conceived as a means of reducing the deleterious effects of noise and atmospheric...
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