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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 15, Iss. 12 — Dec. 1, 1976
  • pp: 3115–3122

Absolute reference calorimeter for measuring high power laser pulses

D. L. Franzen and L. B. Schmidt  »View Author Affiliations


Applied Optics, Vol. 15, Issue 12, pp. 3115-3122 (1976)
http://dx.doi.org/10.1364/AO.15.003115


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Abstract

A calorimeter for making absolute energy measurements of high power laser pulses is described. The calorimeter, based on volume absorption in a solid, is calibrated electrically and requires no window or vacuum environment. An error analysis is included giving the systematic and random errors of the instrument for a laser measurement. Briefly, the following performance is typical of the 32-mm × 32-mm aperture calorimeter: range 0.4–15-J; random error ±0.2% (one standard deviation); systematic error ±2.3%; and an upper operational limit of 3 J/cm2. Most of the volume absorber documentation is applicable for 1.06 μm; however, the calorimeter should be useful from the near ir through the visible. Absorbers for use with CO2 lasers in the 9–11-μm range are also discussed.

© 1976 Optical Society of America

History
Original Manuscript: April 5, 1976
Published: December 1, 1976

Citation
D. L. Franzen and L. B. Schmidt, "Absolute reference calorimeter for measuring high power laser pulses," Appl. Opt. 15, 3115-3122 (1976)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-15-12-3115

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