Multiple-beam generator using zone plate array considering intensity distribution of Gaussian beam

Kashiko Kodate; Mitsuka Abe; Mitsuyo Kariya; Takeshi Kamiya

doi:10.1117/12.147833

12 July 1993 Multiple-beam generator using zone plate array considering intensity distribution of Gaussian beam

Kashiko Kodate, Mitsuka Abe, Mitsuyo Kariya, Takeshi Kamiya

Proceedings Volume 1806, Optical Computing; (1993) https://doi.org/10.1117/12.147833
Event: Topical Meeting on Optical Computing, 1992, Minsk, Belarus

Abstract

A design and a fabrication of multiple beam generators using zone plate array are reported, considering intensity distribution of a Gaussian beam. A multiple beam generator is composed of 10 X 10 circular zone plates with 5 kinds of zone radius ranging from 0.42 mm to 0.85 mm, considering intensity distribution of a Gaussian beam. The focusing characteristics are examined at 0.78 micrometers in wavelength of LD under normal incidence condition. The focusing intensity nonuniformity was corrected such that 10 multiple focusing spots with relative intensity fluctuation less than 20% were achieved. Feasibility of application to high speed opto-electronic integrated circuit is discussed.

Citation Download Citation

Kashiko Kodate, Mitsuka Abe, Mitsuyo Kariya, and Takeshi Kamiya "Multiple-beam generator using zone plate array considering intensity distribution of Gaussian beam", Proc. SPIE 1806, Optical Computing, (12 July 1993); https://doi.org/10.1117/12.147833

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