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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 24 — Dec. 15, 2013
  • pp: 5315–5318

Cavity-sensitive amplified spontaneous emission with radiation reabsorption

Ching-Hsu Chen, Chi-Lin Liu, and Sheng-Ti Chung  »View Author Affiliations

Optics Letters, Vol. 38, Issue 24, pp. 5315-5318 (2013)

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We experimentally and numerically investigate amplified spontaneous emission (ASE) in the presence of radiation reabsorption by using an end-pumped ruby laser. From the fluorescence time decay in the axial direction, we find that the average path length of ASE is much larger than the reabsorption length and exhibits sharp variation near the semi-concentric cavity configuration; however, the side lifetime is independent of cavity configuration. In addition, an axial power bump corresponding to a side power valley and the enhanced fluorescence R-line spectrum are observed and explained.

© 2013 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3410) Lasers and laser optics : Laser resonators
(140.3430) Lasers and laser optics : Laser theory
(140.3580) Lasers and laser optics : Lasers, solid-state
(260.2510) Physical optics : Fluorescence

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 28, 2013
Revised Manuscript: November 12, 2013
Manuscript Accepted: November 12, 2013
Published: December 6, 2013

Ching-Hsu Chen, Chi-Lin Liu, and Sheng-Ti Chung, "Cavity-sensitive amplified spontaneous emission with radiation reabsorption," Opt. Lett. 38, 5315-5318 (2013)

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