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Binary diffraction optical element focusing a Gaussian beam to a longitudinal segment

✍ Scribed by A. V. Volkov; V. V. Kotlyar; O. V. Moiseev; O. E. Rybakov; R. V. Skidanov; V. A. Soifer; S. N. Khonina


Book ID
110124604
Publisher
SP MAIK Nauka/Interperiodica
Year
2000
Tongue
English
Weight
136 KB
Volume
89
Category
Article
ISSN
0030-400X

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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