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Laser Light Measurement Systems

International Light has instruments designed for simple laser power measurements in the visible and near IR that can be used even by non-technical personnel. Scroll down for our selection of laser light meter systems

The word laser is an acronym for light amplification by stimulated emission of radiation.

International Light has instruments designed for simple laser power measurements in the visible and near IR that can be used even by non-technical personnel. We offer a Laser Power Radiometer which has an internal integrating sphere with a detector that ensures proper beam aiming. It has a flat response over its spectral range of 350 to 1064nm ± 8%. With a measuring range from 124 nanowatts to 438 milliwatts that reads out alphanumerically in SI units. IL also offers accurate, low cost systems for measurement of low power continuous lasers such as Argon, HeNe, NdYAG, and laser diodes. In addition, our calibration provides sensitivity factors every 10 nm over the spectral bandpass of the detector.

The Research Radiometer offers more powerful features for measuring CW (continuous wave) lasers and laser diodes for pulses greater than 5 µS. It has a flat spectral response from 400 to 1064 nm, a uniform angular spatial response over its large, 1.7 cm² input aperture, and a dynamic range from 12 microwatts to 200 Watts. (At 200 Watts the maximum exposure time is 40 seconds).

International light makes a full line of radiometers designed specifically for each application.
Laser Power Measurement
Application Common Sources IL Spectral Range IL Product Options
Click Links Below		 IL Measurement Range Units


185 -310 nm IL1700, SED240/HNK15 6.67e-8 to 3.33e-2 W

Nd: YAG 185 -310 nm IL1400, SEL240/HNK15 3.33e-6 to 3.33e-2 W


250-675 nm IL1700, SED005/QNDS3/HNK15 4.15e-5 to 2.00e+2 W

HeNe 250-675 nm IL1400, SEL005/QNDS3/HNK15 2.08e-3 to 2.00e+2 W


400-1064 nm IL1700, SPD024F 2.50e-9 to 2.50e+0 W

Laser diodes 400-1064 nm IL1400, SPL024F 1.25e-7 to 4.38e-1 W


400-1064 nm IL1700, SED100/FQ/K15 1.82e-10 to 1.82e-1 W

CW laser>200W 400-1064 nm IL1400, SEL100/FQ/K15 9.09e-9 to 3.18e-2 W


400-1064 nm IL1700, SED033/F/HNK15 7.30e-9 to 7.30e+0 W


400-1064 nm IL1400, SEL033/F/HNK15 3.65e-7 to 1.28e+0 W


400-1064 nm IL1700, SED033/F/QNDS3/HNK15 1.22e-5 to 2.00e+2 W


400-1064 nm IL1400, SEL033/F/QNDS3/HNK15 6.10e-4 to 2.00e+2 W


200-2100 nm IL1700, SED623/HNK15 5.00e-7 to 5.00e+2 W


200-2100 nm IL1400, SEL623/HNK15 3.00e-3 to 3.00e+1 W
* All Radiometers/Photometers/Spectroradiometers are NIST Traceable.
* If units of measure are not shown please contact us (empirical units also available i.e. fc, fL, nits, lm/ft²).