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3A-P-FS Sensor
Aug 2009
Ophir, PhotonicsRequest Info
Measuring Low Power, Energy, Divergent Beams
LOGAN, Utah, Aug. 19, 2009 – Ophir-Spiricon Inc. has announced the convection-cooled 3A-P-FS sensor that is designed to measure low-power and -energy light sources and divergent beams, such as LEDs and diode lasers. It features a wide 12-mm numerical aperture and a fused silica window in front of the detector. The window, only 7 mm from the sensor surface, keeps out air currents and long-wavelength background heat, allowing accurate measurement of low power. The sensor can measure divergent beams up to ± 40°. OphirSpiricon-3APFS.jpg

It measures very low power, pulsed or continuous-wave lasers in the 0.19 to 20 µm wavelength range. The company says that the sensor's p-type absorber provides a larger aperture and flatter spectral response than broadband devices, maximizing performance across the entire spectral range. Optical power can be measured from 60 µW to 3 W, and energy from 20 µJ to 2 J.

Maximum average power density is 50 W/cm2, power noise level is 6 µW, thermal drift is 20 to 40 µW, and power accuracy is ±3%. Response time is 2.5 s, and linearity with power is ±1.5%.

The sensor works with all of the company’s smart displays and PC interfaces. Each display features a "smart connector" interface that automatically configures and calibrates the display when plugged into one of the company's measurement heads.

For more information, visit:  

Ophir-Spiricon Inc.
60 West 1000 North
Logan, Utah 84321-2240
Phone: (435) 753-3729
Fax: (435) 753-5231


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3A-P-FSConsumerconvection-cooledCW lasersdiode lasersfused silica windowimagingmeasure divergent beamsmeasure low-energy light sourcesmeasure low-power light sourcesOphir-Spiriconp-type absorberphotonicsphotonics.comProductspulsed laserssensorSensors & DetectorsSmart Connector interfaceLEDs

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