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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4248–4251

Use of radiation pressure for measurement of high-power laser emission

Paul A. Williams, Joshua A. Hadler, Robert Lee, Frank C. Maring, and John H. Lehman  »View Author Affiliations

Optics Letters, Vol. 38, Issue 20, pp. 4248-4251 (2013)

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We demonstrate a paradigm in absolute laser radiometry where a laser beam’s power can be measured from its radiation pressure. Using an off-the-shelf high-accuracy mass scale, a 530 W Yb-doped fiber laser, and a 92 kW CO2 laser, we present preliminary results of absolute optical power measurements with inaccuracies of better than 7% to 13%. We find negligible contribution from radiometric (thermal) forces. We also identify this scale’s dynamic-force noise floor for a 0.1 Hz modulation frequency as 4μN/Hz1/2 or, as optical power sensitivity, 600W/Hz1/2.

OCIS Codes
(040.0040) Detectors : Detectors
(350.4800) Other areas of optics : Optical standards and testing
(040.6808) Detectors : Thermal (uncooled) IR detectors, arrays and imaging

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: June 27, 2013
Revised Manuscript: August 20, 2013
Manuscript Accepted: September 4, 2013
Published: October 15, 2013

Paul A. Williams, Joshua A. Hadler, Robert Lee, Frank C. Maring, and John H. Lehman, "Use of radiation pressure for measurement of high-power laser emission," Opt. Lett. 38, 4248-4251 (2013)

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