http://reply.papertrans.cn/3/246/24557/24557-31.png
Submitted on: 30 September 2010.
Revised on: 26 October 2010.
Accepted on: 16 November 2010.
Photonics
http://reply.papertrans.cn/3/246/24557/24557-33.png
http://reply.papertrans.cn/3/246/24557/24557-34.png
http://reply.papertrans.cn/3/246/24557/24557-35.png
Submitted on: 12 February 2001.
Revised on: 19 February 2001.
Accepted on: 13 March 2001.
Photonics---MDPI