Photonics/Optics

Creating 3D Terrain Maps from 2D Data

Disaster relief workers, border patrol officers, wildfire fighters, and many others need up-to-date information about what they will see when they enter an area, not just sketchy topographic maps that may be years out of date. For them, things change in a hurry, and high-resolution details may be critical to their mission success.

Posted in: Articles, Applications, Features, ptb catchall, Photonics

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Tunable Laser Module and Fast Spectral Loss Engine

Agilent Technologies (Santa Clara, CA) has introduced a compact tunable laser module for its 816x Series lightwave measurement platform. The Agilent 81960A module, which features a 200 nm/s sweep speed and increased acceleration, measures dense-wavelength division multiplexing (DWDM) components. The 81960A offers C- and L-band wavelength coverage for DWDM component measurements; it also provides bidirectional sweeping and 1-3 Hz repetition rate, depending on range. Automated measurements are supported by N7700A measurement engines, an updated 816x plug-and-play driver, N4150A photonic foundation library, and direct SCPI commands. The 81960A features up to +14 dBm output power, adjustable down to +6 dBm.

Posted in: Products, Products, ptb catchall, Photonics

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High-Dynamic-Range Read Out Circuit

The NSC1101 from New Imaging Technologies (NIT) Corp. (Verrières le Buisson, France) is a high-dynamic-range read out circuit (ROIC) designed to interface with photodiode arrays. The NSC1101 has a VGA format (640×512 pixels), and the ROIC offers a pitch of 15μm. Because of its Native Wide Dynamic Range™ of more than 120 dB, the sensor does not require any setting or exposure time control.

Posted in: Products, Products, ptb catchall, Photonics

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Test-and-Measurement Platform

New Ridge Technologies (Owings Mills, MD) has announced the expansion of its NRT-2500 product line to include the TruePhase IPLM Inline Polarimeter from OFS (Norcross, GA). The NRT-2500, a polarization control platform, offers scrambling, randomizing, spinning, setting, and tracking polarization applications.

Posted in: Products, Products, ptb catchall, Photonics

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Green Laser Diode Modules

Power Technology (Little Rock, AR) offers a 515-nm, 20-mW green laser diode module. The laser modules have been created specifically to address the needs of high-end OEM applications requiring ultra-stable wavelength and output powers such as laser-induced fluorescence, spectroscopy, data storage, flow cytometry, cancer detection, remote optical sensing, holography, and illumination.

Posted in: Products, Products, ptb catchall, Photonics

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Linear-Array PMT Modules

Linear Array Photomultiplier tube (PMT) modules from Hamamatsu Corporation (Bridgewater, NJ) offer high cathode sensitivity, high gain, and high-speed response. The H11451 series features 8 channels in a linear format, with each channel's photosensitive area measuring 2.0mm (W) × 2.5mm (H). Two spectral response ranges are available: 300-880nm (peak at 420nm) and 300-920nm (peak at 630nm).

Posted in: Products, Products, ptb catchall, Photonics

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Pentaprisms

REO (Boulder, CO) offers pentaprisms with coatings optimized for demanding laser applications, such as target designation and range finding. The pentaprisms feature dielectric antireflection and high-reflection coatings manufactured using ion beam sputtering (IBS) technology. The densified films exhibit laser damage characteristics of over 12 J/cm² in 20 nsec pulses at 1064nm. IBS technology also enables optical coatings with complex spectral characteristics, including multi-spectral operation, where high performance is required at several widely spaced wavelengths or wavelength bands (for example, both 1064nm and 1573nm).

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