Photonics/Optics

Voice Coil Actuator

Voice Coil Actuator BEI Kimco (Vista, CA) has introduced a family of linear unhoused Voice Coil Actuators (VCAs) with aperture sizes of 15 mm, 20 mm, and 24.9 mm. The through-hole design allows an OEM assembly to pass directly through the middle of the actuator, resulting in reduced weight, fewer parts, and a more compact product overall. Auto focusing equipment to support lab equipment that use lasers, lights, wires, lenses, or tubes filled with gas or fluid can be inserted directly through the VCA aperture to save space in tight designs. With capabilities for low out-gassing, these VCAs are also well suited for optical instruments where it is important to prevent film from building up on lens or glass.

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XUV Spectrometer

McPherson’s (Chelmsford, MA) grazing incidence wavelength dispersive optical spectrometer allows rapid analysis of spectral light in the ~1 to 300 nm wavelength region (4 to 1200 eV). Beside high-harmonic laser generation experiments, the Model 248/310 is also useful for measuring ion- or discharge light sources and astrophysics detector calibration. The Model 248/310 ships completely assembled and tested for spectral-resolution and with vacuum leak test certification.

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CCD Color Line Scan Camera

Chromasens (Constance, Germany) has announced the allPIXA™ pro color line scan CCD camera for high-speed machine vision applications. The allPIXA pro, with line rates up to 92 kHz in standard models and up to 156 kHz in special OEM configurations, allows for a maximum 300% increase in speed compared to conventional CCD line scan cameras when used in Camera Link Full mode. It also has improved responsivity, thanks to upgraded tri-linear CCD sensors, while retaining the best legacy features of the original Chromasens allPIXA in a new more compact footprint. Several models are available in resolutions from 2048 × 3 to 7300 × 3 pixels.

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Spectrum Analyzer

Siglent Technologies (Solon, OH) has introduced a new line of digital spectrum analyzers. The SSA3000X Series includes two new models with frequency ranges from 9 kHz to 2.1 GHz and 9 kHz to 3.2 GHz. These new spectrum analyzers incorporate all-digital Intermediate Frequency (IF) technology for higher measurement accuracy and frequency resolution. With IF technology, the frequency conversion and filtering is accomplished with digital signal processing earlier in the signal path for more accurate and stable values.

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3D AOI Inspection System

Saki Corporation (San Jose, CA) has debuted its 3rd-generation 3D automated optical inspection (AOI) line that accommodates dual lanes, XXL sizes, and increases throughput by 15%. Saki’s new BF- 3Di-D (dual lane) and BF-3Di-Z (extra-large platform) 3D AOI equipment provides measurements of components with a height range between 0 and 20 mm, achieving 1-micron height resolution, a false call rate of less than 100 ppm with 0 escapes, and an increased positioning speed of 50%. The new camera and lighting systems capture extremely clear, detailed images with no shadowing for inspection of the most difficult defects, such as lifted leads, tombstones, reverses, and height variations. For Free Info Visit http://info.hotims.com/61059-221

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Defining and Measuring “LOOSE TIGHT BUFFER” in Fiber Optic Cables

As the optical fiber and cable industry unfolded, several terms were coined to describe specific properties that were new and different from conventional wire processing. One of those that stayed around was the term “Loose Tight Buffer.”

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Advanced Infrared Camera Maps Methane "Hot Spots"

Methane often appears in the atmosphere at an irregular rate, puzzling researchers challenged with the task of tracking the gas’s sources in the landscape. An advanced infrared camera developed by Linköping University and Stockholm University researchers, in collaboration with the infrared imaging manufacturer Telops, allows users to both film and photograph methane emissions.

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