ATTO SCIENCE is all of optical solutions.
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.