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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. S1 — Aug. 28, 2005
  • pp: S82–S83

Microoptical research in Shanghai Institute of Optics and Fine Mechanics

Changhe Zhou  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue S1, pp. S82-S83 (2005)


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Abstract

This paper summarized the recent research results of Changhe Zhou's group of Information Optics Lab in Shanghai Institute of Optics and Fine Mechanics (SIOM). The first is about the Talbot self-imaging research. We have found the symmetry rule, the regular-rearranged neighboring phase difference rule and the prime-number decamping rule, which is briefly summarized in a recent educational publication of Optics and Photonics News, pp.46-50, November 2004. The second is about four novel microoptical gratings designed and fabricated in SIOM. The third is about the design and fabrication of novel supperresolution phase plates for beam shaping and possible use in optical storage. The fourth is to develop novel femtosecond laser information processing techniques by incorporating microoptical elements, for example, use of a pair of reflective Dammann gratings for splitting the femtosecond laser pulses. The most attractive feature of this approach is that the conventional beam splitter is avoided. The conventional beam splitter would introduce the unequal dispersion due to the broadband spectrum of ultrashort laser pulses, which will affect the splitting result. We implemented the Dammann splitting apparatus by using two-layered reflective Dammann gratings, which generates the almost same array without angular dispersion. We believe that our device is highly interesting for splitting femtosecond laser pulses.

© 2005 Chinese Optics Letters

OCIS Codes
(050.1380) Diffraction and gratings : Binary optics
(230.1950) Optical devices : Diffraction gratings
(320.7160) Ultrafast optics : Ultrafast technology

Citation
Changhe Zhou, "Microoptical research in Shanghai Institute of Optics and Fine Mechanics," Chin. Opt. Lett. 3, S82-S83 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-S1-S82

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