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Subwavelength-resolvable focused non-Gaussian beam shaped with a binary diffractive optical element

✍ Scribed by Wang, Michael R. ;Huang, Xu Guang


Book ID
115347965
Publisher
The Optical Society
Year
1999
Tongue
English
Weight
278 KB
Volume
38
Category
Article
ISSN
1559-128X

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To convert a given single-mode HeΒ±Ne laser beam into a ring-shaped intensity distribution, a diractive optical element with 16 levels was designed by YG amplitude-phase retrieval and iteration algorithm. This beam shaper is investigated experimentally and compared with the results of the computer de