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High-power laser beam shaping using apodized apertures

Published online by Cambridge University Press:  09 March 2009

S. G. Lukishova ,
P. P. Pashinin ,
S. Kh. Batygov ,
V. A. Arkhangelskaya ,
A. E. Poletimov ,
A. S. Scheulin  and
B. M. Terentiev
S. G. Lukishova
Affiliation:
Institute of Radioengineering and Electronics, USSR Academy of Sciences, Centre, Marx Prospekt 18, 103907, Moscow, USSR
P. P. Pashinin
Affiliation:
Institute of General Physics, Moscow, USSR
S. Kh. Batygov
Affiliation:
Institute of General Physics, Moscow, USSR
V. A. Arkhangelskaya
Affiliation:
State Optical Institute, Leningrad, USSR
A. E. Poletimov
Affiliation:
State Optical Institute, Leningrad, USSR
A. S. Scheulin
Affiliation:
State Optical Institute, Leningrad, USSR
B. M. Terentiev
Affiliation:
All-Union Institute of Radiation Engineering, Moscow, USSR
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Abstract

This paper gives the results of the investigations of four types of apodized (soft) apertures for beam shaping of UV, visible and IR high-power lasers with near-Gaussian and flat-top transmittance. The apodized apertures (AA) are ≈3–45 mm in diameter, but the principles of fabrication of such apertures lends the possibility of apodizing beams with diameter <1 mm and >200 mm. The examples of studies of the AA in high-power lasers are presented. The possibility of avoiding the Fresnel diffraction ripples is proved experimentally.

Type
Research Article
Information
Laser and Particle Beams , Volume 8 , Issue 1-2 , January 1990 , pp. 349 - 360
Copyright
Copyright © Cambridge University Press 1990

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