Submitted on: 01 February 2008.
Revised on: 27 May 2008.
Accepted on: 24 June 2008.
___________________APL Materials---AIP PUBLISHING
Submitted on: 09 July 2005.
Revised on: 30 July 2005.
Accepted on: 09 September 2005.
___________________APL Materials---AIP PUBLISHING
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Submitted on: 06 July 2013.
Revised on: 30 July 2013.
Accepted on: 29 August 2013.
___________________APL Materials---AIP PUBLISHING
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Submitted on: 06 January 1998.
Revised on: 13 April 1998.
Accepted on: 26 May 1998.
___________________APL Materials---AIP PUBLISHING
Submitted on: 30 March 2011.
Revised on: 17 May 2011.
Accepted on: 22 June 2011.
___________________APL Materials---AIP PUBLISHING
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