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  • IR Laser Beam Finder
Jan 2012
Beyond Photonics LLCRequest Info
LAFAYETTE, Colo., Jan. 24, 2012 — Pathfinder Research LLC has released the CoolCard II, a handheld infrared beam finder and IR beam-quality evaluation tool for use with lasers and other IR sources operating from the near-IR to the 10-μm wavelengths and beyond.

Capitalizing on actively thermally stabilized liquid crystal technology, the device can sense and resolve the fine spatial character of lasers operating near and well beyond 1.7 μm, where more typical “orange phosphor” IR cards lose sensitivity. Its design and capabilities are based on the original CoolCard, an AC-powered device that has been used in numerous research and engineering labs and field applications.

The new version features a rechargeable, field-replaceable lithium-ion battery that provides multihour continuous operation and the ability to be recharged in the lab or with the supplied 12-VDC auto adapter. With sensitivity as low as a few milliwatts and good spatial resolution resulting from built-in sensor temperature control, the compact, handheld, wire-free CoolCard II rivals IR cameras in many applications, according to the company.

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