Extractable energy from ytterbium-doped high-energy pulsed fiber amplifiers and lasers
JOSA B, Vol. 23, Issue 2, pp. 218-230 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000218
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Abstract
An analytic model is developed to evaluate the extractable energy from high-energy pulsed ytterbium-doped fiber amplifiers and lasers. The energy extraction capabilities under the limitation of spurious lasing, due to amplified spontaneous emission, are mapped for various numerical apertures, single- and multitransverse-mode evolution, and operating wavelengths. The calculation results of the analytic model show a good match with experimental results carried out for various double-clad fiber amplifiers. The model provides an accurate assessment for the maximum pulse energy that can be extracted from a given ytterbium-doped fiber. In addition, for a specific pump power, the model can be used to determine the minimum repetition rate and optimal length, under which the laser source can be operated before spurious lasing occurs.
© 2006 Optical Society of America
OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: February 7, 2005
Revised Manuscript: July 26, 2005
Manuscript Accepted: September 7, 2005
Citation
Yoav Sintov, Ori Katz, Yaakov Glick, Shai Acco, Yehuda Nafcha, Avraham Englander, and Raphael Lavi, "Extractable energy from ytterbium-doped high-energy pulsed fiber amplifiers and lasers," J. Opt. Soc. Am. B 23, 218-230 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-2-218
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