Self-calibrating technique for beam divergence measurements of CW and pulsed lasers

Details Self-calibrating technique for beam divergence measurements of CW and pulsed lasers Self-calibrating technique for beam divergence measurements of CW and pulsed lasers

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apopt..20.1145l&link_type=abstract

Applied Optics, vol. 20, Apr. 1, 1981, p. 1145-1150.

Physics

Optics

5

Calibrating, Continuous Wave Lasers, Focusing, Optical Measuring Instruments, Pulsed Lasers, Tape Recorders, Aberration, Divergence, Helium-Neon Lasers, Lens Design, Light Beams, Radiation Distribution, Refracting Telescopes, Video Equipment

Scientific paper

A convenient method to measure beam divergence of laser beams is described. The apparatus is compact and accurate due to the use of a telescope to focus the beam. Incorporation of a Fabry-Perot etalon permits focusing and in situ calibration. Measurement of single-pulse beam divergence is performed with a CCTV system which includes a video tape recorder.

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