Photonics/Optics

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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The Dusk of Fire-Wire, The Dawn of USB 3.0: Advancements and critical aspects of camera interfaces for next generation vision systems

Before 2011, many system designs were built on the most popular interface at the time: FireWire. This technology is slowly becoming obsolete and is commonly being replaced by USB 3.0, the new predominant interface for industrial and scientific cameras. In this paper we will outline why people are making the upgrade from FireWire to the USB 3.0 interface, and why USB 3.0 is here to stay.

Posted in: White Papers, Optics, Photonics

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Thermal Cycle Qualification of Radiated Solar Arrays for 50 to 133 K Temperatures in Vacuum

A closed loop system needs no liquid helium. NASA’s Jet Propulsion Laboratory, Pasadena, California Solar arrays (radiated or non-radiated) and other technologies are candidate materials for projects in JPL. Some of the projects need to qualify these potential technologies to cryogenic extreme temperatures (from 133 to 50 K or lower). Those technologies need to survive for more than 120 thermal cycles in a thermal vacuum environment to meet three times mission life of the ECM project per JPL design principles. There is not any published thermal cycling qualification data for solar arrays in vacuum to those of cryogenic temperatures. Therefore, an experimental assessment study was undertaken on behalf of the JPL pre-project office for the proposed Europa Clipper mission.

Posted in: Briefs, TSP, Photonics

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Downhole Regolith Interrogation with Helium-Assisted Drill and Laser Induced Breakdown Spectroscopy

Marshall Space Flight Center, Alabama It is of great interest to the scientific community to have the ability to analyze drilled boreholes in situ on the surfaces of the Moon and Mars. The goal of this work was to design and fabricate a Downhole Regolith Interrogation with Helium-assisted Drill and Laser Induced Breakdown Spectroscopy (LIBS) system (DIHeDRAL) targeted towards such applications. A DIHeDRAL instrument would provide synchronous exposure and analysis of volatiles using laser pulses, preserve borehole stratigraphy information, assess regolith mechanical properties through drilling telemetry, and analyze sensitive elemental composition.

Posted in: Briefs, Photonics

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