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Title: Method for changing the cross section of a laser beam

Abstract

A technique is disclosed herein in which a circular optical beam, for example a copper vapor laser (CVL) beam, is converted to a beam having a profile other than circular, e.g. square or triangular. This is accomplished by utilizing a single optical mirror having a reflecting surface designed in accordance with a specifically derived formula in order to make the necessary transformation, without any substantial light loss and without changing substantially the intensity profile of the circular beam which has a substantially uniform intensity profile. In this way, the output beam can be readily directed into the dye cell of a dye laser.

Inventors:
 [1];  [2]
  1. (Albuquerque, NM)
  2. (Livermore, CA)
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
OSTI Identifier:
870196
Patent Number(s):
5473475
Assignee:
United States of America as represented by United States (Washington, DC) LLNL
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; changing; section; laser; beam; technique; disclosed; circular; optical; example; copper; vapor; cvl; converted; profile; square; triangular; accomplished; utilizing; single; mirror; reflecting; surface; designed; accordance; specifically; derived; formula; transformation; substantial; light; loss; substantially; intensity; uniform; output; readily; directed; dye; cell; uniform intensity; copper vapor; optical beam; vapor laser; dye laser; output beam; laser beam; substantially uniform; reflecting surface; intensity profile; dye cell; single optical; circular beam; circular optical; light loss; single optic; /359/372/

Citation Formats

Sweatt, William C., and Seppala, Lynn. Method for changing the cross section of a laser beam. United States: N. p., 1995. Web.
Sweatt, William C., & Seppala, Lynn. Method for changing the cross section of a laser beam. United States.
Sweatt, William C., and Seppala, Lynn. Sun . "Method for changing the cross section of a laser beam". United States. https://www.osti.gov/servlets/purl/870196.
@article{osti_870196,
title = {Method for changing the cross section of a laser beam},
author = {Sweatt, William C. and Seppala, Lynn},
abstractNote = {A technique is disclosed herein in which a circular optical beam, for example a copper vapor laser (CVL) beam, is converted to a beam having a profile other than circular, e.g. square or triangular. This is accomplished by utilizing a single optical mirror having a reflecting surface designed in accordance with a specifically derived formula in order to make the necessary transformation, without any substantial light loss and without changing substantially the intensity profile of the circular beam which has a substantially uniform intensity profile. In this way, the output beam can be readily directed into the dye cell of a dye laser.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1995},
month = {1}
}

Patent:

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