Photonics

Temperature Characteristics-Free Etalon Filter

Kyocera Corporation (Kyoto, Japan) announced that its wholly owned subsidiary, Kyocera Crystal Device Corporation, in charge of development and manufacturing of crystal devices, has succeeded in developing a temperature characteristics-free etalon filter — a crystal device which has applied the atomic diffusion bonding technique. An etalon filter is a component which detects deviations in multiple light wavelengths in high-capacity optical communication transmissions systems. Its external dimensions are >1.2mm squared; its adaptive wavelength is 1,520 to 1,620nm; temperature characteristics: ±0.15pm /°C typ. (pm/°C = 10-12m/°C); FSR: 50/100 GHz; and custom extinction ratio or reflectance.

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Color Filter Stacks

Reynard Corporation (San Clemente, CA) recently introduced ColorLock™ color filter stacks. These filters utilize the transmission and blocking characteristics of two or more specialty designed filter glass types to produce a precision optical component with extreme wide-angle performance characteristics. Configurations include Band Pass, Long Wave Pass, Short Wave Pass, and custom arbitrary specifications in the ultra-violet (UV), visible, and near-infrared (NIR) spectral ranges.

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UV Hybrid Fiber Laser

Spectra-Physics® (Santa Clara, CA) has introduced the Quasar, a breakthrough hybrid fiber laser that delivers high UV power at high repetition rates with TimeShift™ technology for precise micromachining. Combining advanced fiber laser, power amplifier and patented harmonics technologies, the new Quasar laser produces >40W UV power at high repetition rates. The novel TimeShift technology provides programmable pulse profiles to deliver the ultimate in process flexibility and control.

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Laser Diode Modules

The new range of laser diode modules from the Optoelectronics Company (Henham, UK) combines a high performance Opnext (OCLARO) laser diode with quality, externally adjustable optics, a Panasonic a spher ical glass lens, sophisticated electronics and rugged modular anodised aluminium housing. The modules are compact, CW, visible or infrared lasers producing a high-quality elliptical beam. They offer a combination of low noise and output stability and are available at five lasing wavelengths (635 nm, 639 nm, 660 nm, 830 nm, and 852 nm), at powers of up to 75 mW. Mechanical dimensions are 12mm diameter x 53mm length. With an operating voltage of 3 - 6V DC and a broad ambient temperature operating range from -10 degrees C to +50 degrees C, the modules are also static, surge and reverse-polarity protected and RoHS compliant.

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High-Current DC Interference Filter

SCHURTER (Santa Rosa, CA) presents its new 2300 A FMER SOL interference filter. In addition, the series is now offered without ground capacitors to safely prevent any leakage of current to ground. The series is designed for use on the DC side of the inverter in photovoltaic and other DC systems. Maximum Power Point (MPP) trackers generate disturbances into both the grid’s AC power line, as well as the DC side of the solar module. An AC filter is typically used on the grid’s AC power line, but the noise generated on the DC side tends to be overlooked. EMC standards EN 61000-6-3 and EN55014-1 also place strict limits on the noise generated downstream from the grid, such as the line to the solar panels. Using the FMER SOL DC filter on the DC side of the inverter ensures EMC compliance and overall reliability of the entire PV system. The FMER SOL filters are designed for rated currents from 25A to 2300A with a standard ambient temperature rating of 55°C. The series is also rated at 75°C ambient temperature up to 1200 VDC with corresponding current de-ratings.

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Xenon-Ruby Lenses

Schneider Optics (Hauppauge, NY) has introduced new, lightweight and cost-efficient Xenon-Ruby C-mount lenses available in four focal lengths: 2.2/10mm, 2.3/16mm, 2.2/25mm and 2.3/35mm . Suitable for use in a wide range of app lications, such as traffic control, 2D/3D measurement, surveillance and security systems, and machine vision, Xenon- Ruby lenses are designed for 1/1.8" sensors (9mm image circle). The robust mechanical design with lockable iris and focus is resistant to vibrations and guarantees an extremely high and uniform image quality over the entire sensor. With a magnification range from ß´ = 0.1 to infinity, the lenses can resolve a pixel size of 4.65μ. The broadband transmission covers the range from 400 to 1000 nm.

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Digital Camera

Point Grey (Richmond, BC, Canada) recently introduced the new Blackfly camera. The first model BLFY-PGE-13E4 features a 1.3 MP, 60 fps, CMOS global shutter sensor available in both monochrome and color, and less than 2W power consumption. The BFLY-PGE-13E4 model uses the EV76C560 CMOS sensor from e2v, which uses a global shutter readout architecture. The CMOS pixel design addresses blooming and smearing artifacts caused by bright sources or reflections in the camera’s field of view. Point Grey’s Blackfly camera measures just 29 x 29 x 30 mm and provides a unique set of features including power over Ethernet, temperature and status monitoring, in-field updatable firmware, color interpolation, look up table, gamma correction, pixel binning functionality, and much more. Future Blackfly models include 0.5 and 0.9 MP CCD resolutions with excellent quantum efficiency and wide dynamic range.

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