Laser sensors can measure from 100 to 6,000W

19th June 2015

Jordan Mulcare

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Ophir Photonics Group has announced three high power laser sensors and scatter shield accessories designed for measuring large and divergent laser sources, such as diode stacks and arrays. The 6000W-BB-200x200 is a very large aperture, 200x200mm, water-cooled laser power/energy sensor able to measure from 100 to 6,000W. The L2000W-BB-120 is a large aperture, 120mm, water-cooled laser power/energy sensor able to measure up to 2,000W.

The L100(500)A-PF-120 is a large aperture, 120mm, laser power/energy sensor for measuring single shot energy of large beams from high energy, short pulsed lasers. The 10 and 30kW scatter shields are designed to reduce the heating effect of backscatter on surrounding sensor surfaces when measuring very high power lasers.

The 6000W-BB-200x200 and L2000W-BB-120 are water-cooled laser sensors for measuring the power and energy of very large, high power laser beams. They have a broad spectral response, 0.19-20µm. The L2000W-BB-120 includes a 'smart connector' interface that operates with the company's StarLite, Nova II, Vega smart displays and Juno PC interface. It can also be directly connected to a PC via RS232.

The L100(500)A-PF-120 is designed for high peak power, high energy measurements over a broad spectral range, 0.15-20µm. The L100(500)A can measure single shot energy of high peak power, short pulse lasers at up to 3J/cm2. It can also measure high power lasers for short (1s) exposures at up to 6,000W, and can continuously measure up to 100W (500W with heat sink).

Ophir's high power 10 and 30kW laser sensors have high absorbance, but 3-4% of the light is still backscattered. This can heat surrounding surfaces of the sensor. The 10 and 30kW scatter shields reduce this backscatter by about 70%.