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Spray-on sensor coating absorbs laser energy

Ophir-Spiricon

PF Sensors

Ophir Photonics has announced a line of high-damage-threshold power volume absorbers for short pulsed lasers (<1us), offering high power densities and faster response times.

The PF Sensors absorb a laser's energy in the volume of the material being used, making use of a spray deposited on the surface, not the typical glass or ceramic substrate.

This means the PF Sensors provide higher power-handling capacity and faster response times.

The PF Sensors allow power densities up to 3KW per square centimetre instead of the usual 50W per square centimetre.

The sprayed-on coating is more durable, less expensive and can be produced in any size needed.

Because the absorber is a layer and not a solid surface, response times are faster.

The PF Absorber Sensors include four models: the +50(150)A-PF-35 for up to 50W continuous and 150W intermittent with a large 35mm aperture; the 15(50)A-PF-DIF-18, for 15W continuous and 50W intermittent, including a diffuser to enhance damage resistance; the 50A-PF-DIF-18, for 50W continuous, including a diffuser to enhance damage resistance; and the F100A-PF-DIF-18, for 100W continuous, including a diffuser to enhance damage resistance.

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