A study of reflection holograms with varying exposure intensities

Andrew N. Sias; Robert R. McLeod; Amy C. Sullivan; Jamie Kowalski

doi:10.1117/12.2623940

30 May 2022 A study of reflection holograms with varying exposure intensities

Andrew N. Sias, Robert R. McLeod, Amy C. Sullivan, Jamie Kowalski

Proceedings Volume PC12151, Photosensitive Materials and their Applications II; PC1215108 (2022) https://doi.org/10.1117/12.2623940
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

The current surge of interest in holographic photopolymers is motivated by display applications that often call for holograms in reflection geometry. However, the geometry of reflection holograms is uniquely sensitive to problems that arise from non-instantaneous recording, including volume shrinkage and off-target index development during exposure. Here we leverage a high-powered recording laser to compare holograms of varying writing power and exposure time pairings (with a consistent exposure intensity), showing improved hologram quality with shorter (higher-powered) exposures. Shorter, higher-powered reflection hologram exposures result in lower haze and higher diffraction efficiency.

Conference Presentation

Citation Download Citation

Andrew N. Sias, Robert R. McLeod, Amy C. Sullivan, and Jamie Kowalski "A study of reflection holograms with varying exposure intensities", Proc. SPIE PC12151, Photosensitive Materials and their Applications II, PC1215108 (30 May 2022); https://doi.org/10.1117/12.2623940

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