作者
VV Kotlyar, SN Khonina, AA Kovalev, VA Soifer, H Elfstrom, J Turunen
发表日期
2006/6/1
期刊
Optics letters
卷号
31
期号
11
页码范围
1597-1599
出版商
Optica Publishing Group
简介
We derive analytical expressions containing a hypergeometric function to describe the Fresnel and Fraunhofer diffraction of a plane wave of circular and ringlike cross section by a spiral phase plate (SPP) of an arbitrary integer order. Experimental diffraction patterns generated by an SPP fabricated in resist through direct e-beam writing are in good agreement with the theoretical intensity distribution.
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VV Kotlyar, SN Khonina, AA Kovalev, VA Soifer… - Optics letters, 2006