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DataRay Inc. - ISO 11146-Compliant Laser Beam Profilers
Photonics HandbookTest & Measurement

Laser Beam Measurement: Slit-Based Profilers for Pulsed Beams

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Although slit-based profilers were designed to measure continuous-wave (CW) lasers, they can also work for pulsed-mode lasers.

Allen M. Cary, Photon Inc.

Measuring pulsed-beam lasers has generally required the use of a CCD array profiler. This is a reasonable solution for low-power lasers in the UV and visible wavelength range, but these require external attenuation when used with CCD cameras. Once the lasers leave the UV-VIS range, array cameras become extremely expensive. Although low-frequency pulsed lasers operating in the 1 to 1000 Hz range have no real alternative to the array profiler, it is possible to measure kilohertz-frequency lasers with a slit-based profiler. This will allow the inherent advantages of minimal beam...Read full article

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