NORTH LOGAN, Utah, Sept. 26, 2013 — The 100K-W laser power meter from Ophir Photonics measures high-power 100-kW lasers for industrial materials processing applications such as thermal ablation, heavy-section welding and metal forming, and for military directed-energy applications.
The meter can measure near-IR, Nd:YAG and fiber lasers, and has been tested at up to 100,000 W. It measures high-power beams at a distance past the focal point of the laser, or at a distance from the diverging fiber output where the beam has expanded to about 100 mm in diameter.
A reflective cone in the meter deflects the beam onto the inner circumference of the sensor to increase the radiated area and reduce the power density. As the cone dissipates the beam, it captures more than 99 percent of the radiation, minimizing safety hazards. Response time is less than one minute.
The unit includes a beam dump measuring about 50 cm in diameter and 50 cm deep, and a water-flow power meter of 11 × 15 × 34 cm.
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