Photonics/​Optics

Photonics

Find the latest news and technical briefs on next-generation photonics technologies. Learn more about applications like biophotonics, silicon photonics, and green photonics.

Products: Photonics/Optics

Linear Technology Corporation (Milpitas, CA) has introduced the LTC4224, a compact, low voltage Hot Swap™ controller for protecting boards and backplanes that uses two 1V to 6V voltage supplies. The LTC4224 enables...

Products: Photonics/Optics

Applied Scientific Instrumentation (Eugene, OR) has introduced PhotoTrack, a system specifically designed to solve the problem of tracking a moving specimen. Combined with ASI’s closed-loop DC servo motor stages,...

Products: Photonics/Optics

Moritex (Cambridge, UK) has introduced a multimedia kit for its LightScope industrial endoscopes that includes everything required to perform wide ranging portable inspection and video documentation tasks. The multimedia kit...

Products: Photonics/Optics

IMEC (Leuven, Belgium) has developed a new method to produce ~50μm thin crystalline silicon wafers for use in solar cells. The process involves mechanically initiating and propagating a crack parallel...

Products: Photonics/Optics

Automated Laser Corporation (Fort Wayne, IN) has introduced the LSG-10 Laser Marker, the next generation of their high-speed CO2 laser markers. The LSG-10 offers a larger marking window, more choices and sizes of text...

Briefs: Photonics/Optics

An improved packaging approach has been devised for filling a hollow-core photonic-crystal fiber (HC-PCF) with a gas, sealing the HC-PCF to retain the gas, and providing for optical connections...

Briefs: Photonics/Optics

Solar-thermal-radiation concentrators in the form of transmissive diffractive optical elements (DOEs) have been proposed as alternatives to mirror- type solar concentrators now in...

Briefs: Photonics/Optics
Nematic Cells for Digital Light Deflection

Smectic A (SmA) materials can be used in non-mechanical, digital beam deflectors (DBDs) as fillers for passive birefringent prisms based on decoupled pairs of electrically controlled, liquid crystalline polarization rotators, like twisted nematic (TN) cells and passive deflectors. DBDs are used in...

Briefs: Photonics/Optics

The ultra-stable beacon source (USBS) provides a laser-beam output with a very low angular jitter and can be used as an absolute angular reference to simulate a beacon in...

Briefs: Physical Sciences

Suitably configured whispering-gallery-mode (WGM) optical resonators have been proposed as delay lines for trains of short light pulses. Until now, it has been common practice to...

Briefs: Physical Sciences
Improving the Optical Quality Factor of the WGM Resonator

Resonators usually are characterized with two partially dependent values: finesse (ℱ) and quality factor (Q). The finesse of an empty Fabry-Perot (FP) resonator is defined solely by the quality of its mirrors and is calculated as

ℱ = πR1/2/(1 – R).

Articles: Photonics/Optics

NASA has been developing large ultra-lightweight structures commonly referred to as Gossamer space structures for many years to reduce launch costs and to exploit the unique...

Application Briefs: Photonics/Optics

The term “nanophotonics” is used to encompass the scientific study of the interaction of matter and light at the nanometer scale. It is possible to design nanometer scale devices to slow down,...

Products: Photonics/Optics

Carl Zeiss MicroImaging (Thornwood, NY) introduces the Colibri, a patented, high-performance light emitting diode (LED) light source for fluorescence microscopy. The narrow band LEDs replace...

Products: Photonics/Optics

Deposition Sciences, Inc. (Santa Rosa, CA) has released the UV Spectral Metal hybrid coating for ultraviolet (UV) curing and UV printing industries. The highly durable, advanced dichroic metal coating is used as the...

Products: Photonics/Optics

Wavelength Electronics (Bozeman, MT) introduces the LDTC 2/2 laser diode driver for integrated laser diode or LED modules that include temperature control, often utilized in medical diagnostic...

Products: Photonics/Optics

The RAPID picosecond cold processing laser from RPMC (O’Fallon, MO) has up to 50W TEMoo average power and pulse repetition rates of up to 1MHz. The lasers are ideal for high quality industrial...

Products: Photonics/Optics

Cutting Edge Optronics (St. Charles, MO) has expanded its line of high power diode pumped gain modules with the release of a Nd:YVO4 version of its RBA pump head. The pump module features a side pumped...

Products: Photonics/Optics

Radiant Imaging (Duvall, WA) introduces the Production Test Sequencer 3.0 (PM-PTS) for production line testing and calibration of displays, including LCD, plasma, and front and rear projection systems....

Products: Photonics/Optics

VueMetrix Inc. (Sunnyvale, CA) has released the Vue-MV-40 laser diode controller with DiodeGuard, VueMetrix’s proprietary laser diode protection circuitry. The high-power, low-noise controller is ideal for...

Products: Photonics/Optics

Watlow® (St. Louis, MO) offers large thick film flat panel heaters ideal for the photovoltaic (PV) industry’s transition to processing PV cells on large glass, stainless steel, and polymer substrates. The large thick...

Products: Photonics/Optics

Linden Photonics (Westford, MA) has developed the Strong Tether Fiber Optic Cable (STFOC), a 0.030"diameter cable with a tensile strength in excess of 50 lbs. STFOC is radhard, impervious to moisture and oxygen,...

Products: Photonics/Optics

Reynard Corporation (San Clemente, CA) has released high precision coatings Galvanometer mirrors for laser system applications such as scanners, bar code readers, sweeping remote sensors, marking systems, and laser light...

Products: Photonics/Optics

Semrock (Rochester, NY) has introduced optical edge filters for Raman spectroscopy and fluorescence imaging. The EdgeBasicTM long-wave-pass filters are hard-coated optical filters that have high transmission...

Products: Photonics/Optics

A new turnkey diode laser system from Coherent, Inc. (Santa Clara, CA) delivers 75W of power at either 808 nm from a 200 μm core 0.22 NA (numerical aperture) fiber, or 976 nm from a 400 μm core 0.22 NA fiber. The...

Products: Photonics/Optics

The EC-TD5207 ZapFreeTM Fiber Optic Rotary Encoder from Micronor Inc. (Newbury Park, CA) is a passive, safe, non-metallic fiber optic rotary encoder designed specifically for use in Magnetic Resonance...

Products: Photonics/Optics

Global Lighting Technologies (Brecksville, OH) has introduced LED-based high-brightness backlights that offer thinness down to 0.4 mm for backlighting LCDs in consumer electronics products such as the keypads/keyboards...

Products: Photonics/Optics

The BSR112 is a miniature Spectral Irradiance Meter from B&W Tek, Inc. (Newark, DE) designed for field, industrial, and lab applications. BSR112 comes with a plug-and-play USB 2.0/1.1 interface. Standard software...

Products: Photonics/Optics

CIP Technologies (Ipswich, UK) offers a reflective electro-absorption modulator (R-EAM) for applications including 10 Gbit/s wavelength division multiplexing (WDM) passive optical networks (PONs). The...

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