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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 9 — Mar. 20, 2001
  • pp: 1378–1385

Accuracy of laser beam center and width calculations

Giovanni Mana, Enrico Massa, and Alessandro Rovera  »View Author Affiliations


Applied Optics, Vol. 40, Issue 9, pp. 1378-1385 (2001)
http://dx.doi.org/10.1364/AO.40.001378


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Abstract

The application of lasers in high-precision measurements and the demand for accuracy make the plane-wave model of laser beams unsatisfactory. Measurements of the variance of the transverse components of the photon impulse are essential for wavelength determination. Accuracy evaluation of the relevant calculations is thus an integral part of the assessment of the wavelength of stabilized-laser radiation. We present a propagation-of-error analysis on variance calculations when digitized intensity profiles are obtained by means of silicon video cameras. Image clipping criteria are obtained that maximize the accuracy of the computed result.

© 2001 Optical Society of America

OCIS Codes
(040.1520) Detectors : CCD, charge-coupled device
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(140.0140) Lasers and laser optics : Lasers and laser optics

History
Original Manuscript: May 25, 2000
Revised Manuscript: November 6, 2000
Published: March 20, 2001

Citation
Giovanni Mana, Enrico Massa, and Alessandro Rovera, "Accuracy of laser beam center and width calculations," Appl. Opt. 40, 1378-1385 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-9-1378

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