Photonics/Optics

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.

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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.

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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.

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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).

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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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Femtosecond Laser

Based on diode-pumped disk laser technology, the femtosecond laser JenLas® D2.fs from JENOPTIK Laser Technologies Corp. (Brighton, MI) emits high pulse energies of 40 μJ at 100 kHz repetition rate, and can operate in the 30-200 kHz range. Its working temperature range has been extended to 15–35 °C. The laser offers beam quality of M² ≤ 1.25 near the theoretical limit and pulse duration of ≤ 400 fs. Testing includes climate and shock tests, immunity to external electrical noise, and compliance with the low EMC standards for electrical noise emission.

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Filter Modeling Tool

MyLight, an online filter modeling tool from Semrock (Rochester, NY), provides users with the ability to characterize optical filters under varying theoretical conditions in real time. The technology offers answers on how filters behave under particular angles of incidence, polarization, or cone half angle. MyLight data can also be saved, re-drawn, and printed.

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