Document Detail


Active-mirror-laser-amplifier thermal management with tunable helium pressure at cryogenic temperatures.
MedLine Citation:
PMID:  21716519     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We illustrate the benefits of a thin, low pressure helium cell for efficient and safe heat removal in cryogenically-cooled active mirror laser amplifiers operating in the [100 J-1 kJ] / [1-10 Hz] range. A homogeneous gain medium temperature distribution averaging 160 K is obtained with a sub-mm helium-filled gap between the gain medium and a copper plate at 77 K. A significant degree of flexibility for tuning the temperature in the amplifier can be achieved by varying the pressure of the helium gas in the 10<sup>2</sup> to 10<sup>5</sup> Pa range.
Authors:
Antonio Lucianetti; Daniel Albach; Jean-Christophe Chanteloup
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics express     Volume:  19     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-06-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  12766-80     Citation Subset:  IM    
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