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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 33 — Nov. 20, 1998
  • pp: 7752–7757

Spatial coherence of the generalized diffraction-filtered resonator copper vapor laser

Om Prakash, Paritosh K. Shukla, Sudhir K. Dixit, Sanjeeb Chatterjee, Harilal S. Vora, and Rajiva Bhatnagar  »View Author Affiliations


Applied Optics, Vol. 37, Issue 33, pp. 7752-7757 (1998)
http://dx.doi.org/10.1364/AO.37.007752


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Abstract

The results of a study on the spatial coherence of a generalized diffraction-filtered resonator (GDFR) copper vapor laser (CVL) for various magnifications are presented. The coherence width and output power are compared with that of unstable resonators (UR’s) of equivalent magnifications. It is established, by use of reversal shear interferometry, that the GDFR CVL beam has better spatial coherence and average power characteristics than the UR CVL beam for equivalent resonator magnifications.

© 1998 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.4780) Lasers and laser optics : Optical resonators
(140.7300) Lasers and laser optics : Visible lasers

History
Original Manuscript: October 21, 1997
Revised Manuscript: September 3, 1998
Published: November 20, 1998

Citation
Om Prakash, Paritosh K. Shukla, Sudhir K. Dixit, Sanjeeb Chatterjee, Harilal S. Vora, and Rajiva Bhatnagar, "Spatial coherence of the generalized diffraction-filtered resonator copper vapor laser," Appl. Opt. 37, 7752-7757 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-33-7752


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References

  1. R. Bhatnagar, S. K. Dixit, B. Singh, S. V. Nakhe, “Performance of copper vapour laser with self filtered unstable resonator,” Opt. Commun. 74, 93–96 (1989). [CrossRef]
  2. S. K. Dixit, J. K. Mittal, B. Singh, P. Saxena, R. Bhatnagar, “A generalised diffraction filtered resonator with a copper vapour laser,” Opt. Commun. 98, 91–94 (1993). [CrossRef]
  3. J. J. Change, “Time-resolved beam-quality characterization of copper-vapor lasers with unstable resonators,” Appl. Opt. 33, 2255–2265 (1994). [CrossRef]
  4. T. Omatsu, K. Kuroda, T. Shimura, K. Chihara, M. Itoh, I. Ogura, “Measurement of spatial coherence of a copper vapour laser beam using reversal shear interferometer,” Opt. Quantum. Electron. 23, S447–S484 (1991). [CrossRef]
  5. H. S. Vora, S. V. Nakhe, K. K. Sharangpani, P. Saxena, R. Bhatnagar, N. D. Shirke, “Profile monitor for laser beam parameter measurements,” in Proceedings of the National Laser Symposium, U. Nundy, ed. (National Laser Program, Centre for Advanced Technology, Indore, India, 1994, pp. 260–261.
  6. T. Omatsu, K. Kuroda, “Time resolved measurement of spatial coherence of copper vapour laser beam using reversal shear interferometer,” Opt. Commun. 87, 278–286 (1992). [CrossRef]
  7. D. W. Coutts, M. D. Ainsworth, J. A. Piper, “Observation of temporal evolution of transverse coherence in copper vapour laser,” Opt. Commun. 87, 245–248 (1992). [CrossRef]

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