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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 6 — Mar. 15, 2012
  • pp: 1127–1129

Theoretical application of z-dependent gain coefficient to describe amplified spontaneous emission

A. Hariri and S. Sarikhani  »View Author Affiliations

Optics Letters, Vol. 37, Issue 6, pp. 1127-1129 (2012)

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Based on the geometrical modeling of the unified gain coefficient and the reported amplified spontaneous emission (ASE) output energy measurement εASE versus amplifying excitation length, lAMP in a KrF laser oscillator, we managed, as an example, to explain the ASE output energy behavior both numerically and analytically. In this approach, introducing the ASE gain-coefficient profile for the KrF laser, g0,KrFASE, was not avoidable. It was found that while the g0,KrFASE profile follows the introduced gain-modeling formulation, it is, however, slightly lower than the KrF laser gain profile, g0,KrFexp, deduced from the measurements reported by different researchers. The present approach, up to the present time, is able to explain all of the existing ambiguities on understanding the ASE behavior.

© 2012 Optical Society of America

OCIS Codes
(140.2180) Lasers and laser optics : Excimer lasers
(140.3430) Lasers and laser optics : Laser theory
(140.4780) Lasers and laser optics : Optical resonators

ToC Category:
Atomic and Molecular Physics

Original Manuscript: December 5, 2011
Revised Manuscript: January 15, 2012
Manuscript Accepted: January 18, 2012
Published: March 15, 2012

A. Hariri and S. Sarikhani, "Theoretical application of z-dependent gain coefficient to describe amplified spontaneous emission," Opt. Lett. 37, 1127-1129 (2012)

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