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Optical Engineering

Absolute Measurement Of Laser Beam Energy Using Its Radiation Pressure Force
Author(s): Gerald Roosen; Christian Imbert
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Paper Abstract

An absolute laser power meter based on the momentum ex-changed between the incident beam and a movable mirror is described. The force exerted by the beam on the mirror is proportional to the incident power. Thus, from the measurement of the force value, we can deduce the incident power carried by the beam. But, generally speaking, the coefficient linking the exerted force and the incident power contains parameters which cannot be known with precision. The conceived device we describe cancels these parameters.

Paper Details

Date Published: 1 June 1981
PDF: 3 pages
Opt. Eng. 20(3) 203437 doi: 10.1117/12.7972737
Published in: Optical Engineering Volume 20, Issue 3
Show Author Affiliations
Gerald Roosen, Institut d'Optique Theorique et Appliquee (France)
Christian Imbert, Institut d'Optique Theorique et Appliquee (France)

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