Single exposition holography for multi-depth objects

Roxana María Herrán Cuspinera; Arturo Olivares-Pérez; Joan Manuel Villa-Hernández; Rosaura Vallejo-Mendoza

doi:10.1117/12.2547138

21 February 2020 Single exposition holography for multi-depth objects

Roxana María Herrán Cuspinera, Arturo Olivares-Pérez, Joan Manuel Villa-Hernández, Rosaura Vallejo-Mendoza

Proceedings Volume 11306, Practical Holography XXXIV: Displays, Materials, and Applications; 113060U (2020) https://doi.org/10.1117/12.2547138
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

A method for the recording of a rainbow hologram with multiple objects at different depths in a single exposition is presented. The created hologram can be observed under white incoherent light and shows three letters R, O, and X where the R is closest to the observer at surface level and the other two letters are placed at 2mm increments into the hologram. A spatial light modulator containing the information of a binary computer-generated hologram (CGH) of the three letters is illuminated with a 632.8nm HeNe laser. The reconstructed hologram is projected on a photosensitive film and interfered with a plane wave acting as a reference beam for 90s and then developed.

Citation Download Citation

Roxana María Herrán Cuspinera, Arturo Olivares-Pérez, Joan Manuel Villa-Hernández, and Rosaura Vallejo-Mendoza "Single exposition holography for multi-depth objects", Proc. SPIE 11306, Practical Holography XXXIV: Displays, Materials, and Applications, 113060U (21 February 2020); https://doi.org/10.1117/12.2547138

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KEYWORDS

Holograms

Computer generated holography

Spatial light modulators

3D image reconstruction

Beam splitters

Holography

LCDs

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