Stories
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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...
Products: Photonics/Optics
Lambda Solutions (Waltham, MA) has released the Dimension-P Series Raman spectrometers providing real-time analysis and monitoring in pharmaceutical or food processing quality control. The systems are operated via...
Products: Photonics/Optics
PPT VISION (Minneapolis, MN) has added the IMPACT™ T28 and the IMPACT™ T24 to its line of IMPACT T-series color cameras designed for inline industrial vision applications. The IMPACT T28 provides a 1,600 × 1,200 pixel...
Products: Photonics/Optics
Liekki (Reston, VA) offers Liekki Application Designer (LAD) v3.1 software for power fiber laser and amplifier simulation. It includes tools for designing systems employing large mode area fibers. Using multimode...
Products: Photonics/Optics
Confocal chromatic optical pens from Micro Photonics (Irvine, CA) allow 30 different optical pen configurations for specific depth of field, spot size, working distance, object slope, and photometric efficiency. Users can...
Products: Photonics/Optics
Andor Technology (South Windsor, CT) has introduced the iXonEM + EMCCD camera that can detect single photon events without an image intensifier. It offers photon collection efficiencies of up to 95% QE, readout speeds up to...
Products: Photonics/Optics
A line of green laser diode modules available from BEA Lasers (Elk Grove Village, IL) is suitable for spectroscopy, particle measurement, medical tissue analysis, interferometry, holography, robotic control, and flow...
Products: Photonics/Optics
Kinetic Systems (Boston, MA) offers the MK26 vibration isolation workstation for ultra-low natural frequency applications. It utilizes the Minus K® vertical isolator, which uses a stiff spring and a...
Products: Photonics/Optics
TOPTICA Photonics AG (Graefelfing, Germany) offers the TA 100 single-mode output diode laser and amplifier systems, which may serve as a replacement for dye- or frequency-doubled solidstate lasers. The red-wavelength lasers...
Products: Photonics/Optics
Moulded Optics GmbH (Schoffengrund, Germany) offers single-sided rod and blank-molded aspheric lenses made of crown, borosilicate, and high-refractive glass materials in diameter sizes from 2 mm to 100 mm. The aspheric first...
Briefs: Physical Sciences
Whispering-gallery-mode (WGM) optical resonators can be designed to exhibit continuous spectra over wide wavelength bands (in effect, white-light spectra), with ultrahigh values of the...
Articles: Design
Mechanical CAD (computer-aided design) programs have become very sophisticated during the past few years. Unfortunately, there is still a portion of the engineering spectrum that cannot be...
Articles: Photonics/Optics
Photonics Tech Briefs (PTB) recently presented the 2005 Readers’ Choice Products of the Year at a special awards dinner held at The Water Club in New York City. The top three products...
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...
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...
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...
Briefs: Lighting
Faced with increasing demand, manufacturers of power devices, microdisplays, and high-brightness light-emitting diodes (HB-LEDs) are focusing on tightening manufacturing...
Briefs: Photonics/Optics
Improved Photon-Emission-Microscope System
An improved photon-emission-microscope (PEM) instrumentation system has been developed for use in diagnosing failure conditions in semiconductor devices, including complex integrated circuits. This system is designed primarily to image areas that emit photons, at wavelengths from 400 to 1,100 nm,...
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