Four novel microoptics gratings made in the Information Optics Lab in Shanghai Institute of Optics and Fine Mechanics

Changhe Zhou

doi:10.1117/12.558238

4 November 2004 Four novel microoptics gratings made in the Information Optics Lab in Shanghai Institute of Optics and Fine Mechanics

Changhe Zhou

Author Affiliations +

Proceedings Volume 5556, Photonic Devices and Algorithms for Computing VI; (2004) https://doi.org/10.1117/12.558238
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

In this paper, we summarized four novel microoptics gratings that have been made in Information Optics Lab in Shanghai Institute of Optics and Fine Mechanics. This first is the hexagonal grating for hexagonal array illumination based on the fractional Talbot effect, which is reported in Optics Letters 27, p.228 (2002). The second is the double layered computer generated hologram reported in Optics Letters 28, p.1513 (2003). This device could achieve dynamic optical functions by shifting or changing spatial light modulator in one layer for addressing the selected function in another layer. The third is the circular Dammann grating reported in Optics Letterrs 28, p.2174 (2003), which can generate the circular intensity at various orders in the far field. The fourth is the superresolution phase element reported in Optics Communications 228, p.271 (2003), which achieves the 0.8 compression ratio of the central diffraction spot compared with the usual Airy spot. This result is meaningful for confocal microscopy, and free-space laser communication, etc. In summary, these novel microoptical elements should be interesting for a variety of practical applications.

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Changhe Zhou "Four novel microoptics gratings made in the Information Optics Lab in Shanghai Institute of Optics and Fine Mechanics", Proc. SPIE 5556, Photonic Devices and Algorithms for Computing VI, (4 November 2004); https://doi.org/10.1117/12.558238

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KEYWORDS

Computer generated holography

Super resolution

Diffraction

Diffraction gratings

Computer programming

Mechanics

Micro optics

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