Design and Fabrication of Computer Generated Hologram for Virtual Projection of a Reticle Pattern

  • Alpana Bhagatji
  • Amit K. Agarwal
  • G. Unnikrishnan
Conference paper
Part of the Environmental Science and Engineering book series (ESE)

Abstract

In this paper, we present the design and fabrication of an on-axis Fresnel Computer Generated Hologram (CGH) which on illuminating with the laser diode projects the virtual image of a reticle pattern. This can find application in an aiming sight where the reticle pattern is projected onto a distant target. An iterative optimization algorithm has been used to design the CGH. The CGH of about 20 mm size with 5 microns pixel size is fabricated using a maskless lithography system.

Keywords

Computer generated hologram Fresnel Maskless lithography 

References

  1. 1.
    B. C. Kress and P. Meyruesis. Applied Digital Optics. John Wiley & Sons 2009.Google Scholar
  2. 2.
    H. Kim, B. Yang, and B. Lee, J. Opt. Soc. Am. A 21, 2353 (2004).CrossRefGoogle Scholar
  3. 3.
    N. Yoshikawa and T. Yatagai., Appl. Opt. 33, 863 (1994).CrossRefGoogle Scholar
  4. 4.
    M. A. Seldowilz, J. P. Allebach, and D. W. Sweeney, Appl. Opt. 26, 2788 (1987).CrossRefGoogle Scholar

Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Alpana Bhagatji
    • 1
  • Amit K. Agarwal
    • 1
  • G. Unnikrishnan
    • 1
  1. 1.Instruments Research and Development EstablishmentDehradunIndia

Personalised recommendations