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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4350–4353

Holographic spatial coherence analysis of a laser

Flávio Ferreira and Michael Belsley  »View Author Affiliations


Optics Letters, Vol. 38, Issue 21, pp. 4350-4353 (2013)
http://dx.doi.org/10.1364/OL.38.004350


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Abstract

We show that the second-order coherent-mode representation of a stationary quasi-monochromatic scalar light beam can be experimentally characterized by dual-mode holographic interference using an arbitrary basis. Analysis of the laser beam emitted from a stable spherical mirror cavity, using a mismatched Hermite–Gaussian basis, recovered the profiles and powers of a set of cavity modes with the expected spot size, including a hybrid of frequency degenerate modes. Observed near- and far-field irradiance transverse profiles and associated M2 parameter measures confirmed the results.

© 2013 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(030.4070) Coherence and statistical optics : Modes
(050.1970) Diffraction and gratings : Diffractive optics
(230.6120) Optical devices : Spatial light modulators
(140.3295) Lasers and laser optics : Laser beam characterization

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: August 1, 2013
Revised Manuscript: September 23, 2013
Manuscript Accepted: September 25, 2013
Published: October 22, 2013

Citation
Flávio Ferreira and Michael Belsley, "Holographic spatial coherence analysis of a laser," Opt. Lett. 38, 4350-4353 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-21-4350

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