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3A-IS-IRG 7Z02403 integrating sphere photodiode laser measurement sensor

Updated:2025-03-13

Brand: OPHIR
Model: 3A-IS-IRG
Description: The 3A-IS-IRG is an integrating sphere InGaAs photodiode laser measurement sensor for divergent beams up to +/-40 degrees. It has a 12mm aperture and can measure from 1μW to 3W. It covers the spectral
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Product Details

Overview of 3A-IS-IRG integrating sphere photodiode laser measurement sensor:

The 3A-IS-IRG is an integrating sphere InGaAs photodiode laser measurement sensor for divergent beams up to +/-40 degrees. It has a 12mm aperture and can measure from 1μW to 3W. It covers the spectral range from 0.8 to 1.7μm. The sensor comes with a 1.5 meter cable for connecting to a meter or PC interface.

3A-IS-IRG sensor drawing:

Main parameters:

Aperture	?12mm
Spectral Range	800-1700nm
Power Range	1μW-3W
Dimensions	68 L x 95 W x 46 D (mm)
Max Pulse Energy	500μJ
Max Average Power Density	0.2kw/cm2
Max Average Power Density	0.2 s
Max Average Power	3W

Problem summary:

What is the difference between the "port plug" (white) and the "port cover" (black) in the integral ball accessories provided?

Unused ports should be closed to prevent unwanted light from entering the sphere. Close it with the diffuse white port plug, and add the surface area of the plug to the (diffuse white) effective area of the sphere being "integrated". For a calibrated integrating ball sensor, this change in the ball's behavior will change its calibration and result in incorrect readings. In such applications, black "port covers" should be used.

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