Sensor measures very low power and energy.

ThomasNet News

August 10, 2009 - Featuring 12 mm numerical aperture and fused silica window in front of detector, Model 3A-P-FS measures very low power, pulsed or CW lasers in 0.19-20 µm wavelength range. Window, located 7 mm from sensor surface, keeps out air currents and long wavelength background heat. Designed to work with all Ophir smart displays or PC interfaces, sensor can measure divergent beams up to ±40°, optical power from 60 µW to 3 W, and energy from 20 µJ to 2 J.
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