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Submitted on: 27 March 2003.
Revised on: 04 April 2003.
Accepted on: 26 April 2003.
LASER PHYSICS
Submitted on: 14 April 2015.
Revised on: 30 April 2015.
Accepted on: 20 May 2015.
LASER PHYSICS---IOP PUBLISHING LTD
Submitted on: 29 January 2011.
Revised on: 14 February 2011.
Accepted on: 21 February 2011.
LASER PHYSICS