The majority of laser types in current use produce output beams with circular or elliptical crosssections, with either Gaussian or near- Gaussian intensity...

Application Briefs: Photonics/Optics
Designing Optical Systems With Off-The-Shelf Products

Utilization of COTS (commercial off-the-shelf) products is now almost a bylaw of government and military design projects and is becoming of increasing interest in commercial designs, as...

Briefs: Photonics/Optics
High-Speed Digital Interferometry

Digitally enhanced heterodyne interferometry (DI) is a laser metrology technique employing pseudo-random noise (PRN) codes phase-modulated onto an optical carrier. Combined with heterodyne interferometry, the PRN code is used to select individual signals, returning the inherent interferometric sensitivity...

This innovation will replace a beam combiner, a phase shifter, and a mode conditioner, thus simplifying the system design and alignment, and saving weight and space in future...

Briefs: Photonics/Optics
Near-Infrared Photon-Counting Camera for High-Sensitivity Observations

The dark current of a transferred-electron photocathode with an InGaAs absorber, responsive over the 0.9-to-1.7-μm range, must be reduced to an ultralow level suitable for low signal spectral astrophysical measurements by lowering the temperature of the sensor incorporating...

NASA Tech Needs
Long-Term Data Acquisition, Command, and Control of Spaceflight-Quality Laser Systems

NASA Goddard Space Flight Center is a leader in developing satellite-based laser technology for remote sensing measurements of the Earth and other planetary bodies. Laser performance for such missions must be highly efficient and stable over long periods of...

Products: Photonics/Optics
Goniometric Radiometer

The LD8900 Goniometric Radiometer from Ophir Photonics Group (Logan, UT) makes X-Y, holographic, and 3D measurements without moving either the detector or the source. The design allows the farfield profiler to...

Products: Photonics/Optics
Thermal Surveillance Cameras

Vumii (Atlanta, GA) has added four thermal camera lines to its imaging solutions portfolio: CompactSec™, EyeSec™, DualSec™, and RangeSec™. The IP-enabled CompactSec thermal camera is available in three...

Products: Photonics/Optics
Color Sensors

TAOS (Plano, TX) has announced the TCS3x71 and TCS3x72 Series of Digital Color RGB and Proximity Sensors. When coupled with IR LED, the sensors also provide proximity detection within a range of lighting conditions and through...

Products: Photonics/Optics
Laser Diode Module

Power Technology (Little Rock, AR) offers a violet laser diode module with 250mW of output power at 405nm. The module meets OEM analytical and general scientific laser application needs, including laser-induced...

Products: Photonics/Optics
CW and Pulsed Laser Diode Driver

Analog Modules (Longwood, FL) has released its CW and pulsed laser diode driver, Model 784. The 50A, 2.5V driver requires +5VDC input power. Pulsewidths vary from 600ns to CW, with power capabilities up to...

Products: Photonics/Optics
Industrial Sensors

The FB series M18 plastic DC photoelectric sensors from AutomationDirect (Cumming, GA) are diffuse, polarized reflective and through-beam models. The 18mm devices have sensing distances ranging from 70mm to eight meters....

Products: Photonics/Optics
Epoxy

The Polymer System EP37-3FLF from Master Bond (Hackensack, NJ) resists cryogenic temperatures and thermal cycling. The two-component epoxy, which features a low exotherm, functions as a potting, encapsulating, and casting system,...

Products: Photonics/Optics
Forensic Analytical Microscope

The CRAIC Elixir™ microscope from CRAIC Technologies (San Dimas, CA) offers multiple forensic analytical techniques. Forensic scientists can use the tool to conduct microspectroscopy, high-resolution imaging,...

Products: Photonics/Optics
Vacuum UV Imaging Spectrometer

Vacuum spectrometers from McPherson (Chelmsford, MA) have a 670mm focal length. The spectrometers feature stainless steel housings and components for ultra-high-vacuum applications. The instruments readily...

Products: Photonics/Optics
Source Measurement Unit

Keithley Instruments (Cleveland, OH) has announced the Model 2401 SourceMeter® instrument, which is optimized for high-precision test applications such as current vs. voltage (I-V) characterization of photovoltaic...

Products: Photonics/Optics
Submillimeter Achromats and Doublets

Bern Optics (Westfield, MA) has released submillimeter achromatic lenses as small as 0.20mm in diameter. The achromatic doublet, a compound lens consisting of two elements cemented together, can be custom...

Products: Photonics/Optics
Multispectral Imaging Camera

The SpectroCam™ Multispectral Imaging (MSI) Camera from Ocean Thin Films (OTF) (Largo, FL) combines a scientific-grade CCD array with a precision rotating optical filter wheel. With a single-point spectrometer,...

Products: Photonics/Optics
HD Zoom Lens

Resolve Optics Ltd (Chesham, UK) offers the adaptable Z10-HDCF compact f/1.8 highdefinition zoom lens. The motorized 10x HD zoom lens is 87.5mm long and 45mm square. The Z10-HDCF, which is lighter than 500g, is also able to...

Products: Photonics/Optics
Laser Diode Driver

The laser diode drivers iC-NZN and iC-NZP from iCHaus Corp. (Bodenheim, Germany) operate laser diodes in both CW and spike-free pulse mode, with up to 155 MHz. The devices allow either the optical output power (APC) or...

Products: Photonics/Optics
Single-Photon Counter

AUREA Technology (Besancon, France) has introduced the SPD_B, a single-photon counting module used for short near infrared wavelengths [1,000 to 1,350 nm]. The SPD_B is an ultra-low-noise, highquantum- efficiency, and...

Products: Photonics/Optics
Hybrid Sensor

OSRAM Opto Semiconductors (Sunnyvale, CA) has released a “3 in 1” SFH 7773 digital sensor that combines an IR LED emitter and detector chips together, eliminating the need to install a separate IR emitter to enable the...

Techs for License
Mirror Switches Between Reflective and Transparent States

A flexible mirror film electrically switches between reflective and transparent states. By applying (+) voltages, hydrogenation occurs and creates transparency. When (-) voltages are used, the switchable mirror returns to its original reflective state within 10 seconds. The technology...

Techs for License
Hovering Aerial Vehicles Use Wireless Energy Supplied from Ground

New electrically charged, polarized, proprietary alloys create thrust to lift small aircraft, commonly referred to as Personal Ultralight Vehicles (PAVs), without the need of a propeller, jet, balloon, or rockets. The ion electric air propulsion is considered a clean technology...

Tech Needs
Manufacturing Methods to Deposit Inorganic Material Layers on Metal Substrates

A company seeks alternative ways of preparing crucibles for the vapor deposition process. Currently, up to a kilogram of an alkalihalide salt is melted electrically in a tantalum crucible within a vacuum chamber, and the vapor is deposited on a metal substrate. The...

Tech Needs
At-Home Medical Diagnostic and Monitoring Technologies

New home-use and point-of-care diagnostic medical technologies are needed. The diagnostics kits should monitor diseases not easily measured. Testing may be done within the device, or the device may be a tethered testing head that reports to a central diagnostics facility. The product can be...

Products: Photonics/Optics
2011 Products of the Year

For each of the eight issues of PTB, the editors chose a Product of the Month. That product exhibits exceptional technical merit and practical value for our readers. At the end of the year those eight products were...

Sam Ortega, manager of the NASA Centennial Challenges Program, leads progressive aerospace initiatives, encouraging the participation of...

Podcasts
Sam Ortega, Program Manager, NASA Centennial Challenges, Marshall Space Flight Center, Huntsville, AL

Sam Ortega, manager of the NASA Centennial Challenges Program, leads progressive aerospace initiatives, encouraging the participation of independent teams, individual inventors, student groups, and private companies. Most recently, the...

Videos