Holographic recording properties in thick films of ULSH-500 photopolymer

David A. Waldman; H.-Y. S. Li; Erdem A. Cetin

doi:10.1117/12.310591

18 June 1998 Holographic recording properties in thick films of ULSH-500 photopolymer

David A. Waldman, H.-Y. S. Li, Erdem A. Cetin

Proceedings Volume 3291, Diffractive and Holographic Device Technologies and Applications V; (1998) https://doi.org/10.1117/12.310591
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

The photopolymer holographic recording materials, ULSH-500, based upon cationic ring-opening polymerization, has been further optimized for recording in an increased film thickness of 200 micrometers . The dynamic range attained, at least M/# equals 16, is substantially greater than previously reported, while concurrently the inherent low transverse shrinkage and high sensitivity characteristics of the material have been retained. Dynamic range or cumulative grating strength, (Sigma) (eta) _i^0.5, has been determined from co-locationally recorded peristrophic and angle multiplexed plane-wave gratings which exhibit low diffraction efficiencies between about 0.1 and 0.2%. Good Bragg selectivity consistent with the imaged thickness and sinc² function behavior is observed for the multiplexed holograms, and both the angular response and the diffraction efficiency are stable without the need for post-imaging fixing procedures. Sensitivity is in the range of 1 to 10 cm/mJ, and the refractive index modulation achievable during consumption of the accessible dynamic range is n₁ equals 1.3 X 10^-2 at the read wavelength of 514.5 nm.

Citation Download Citation

David A. Waldman, H.-Y. S. Li, and Erdem A. Cetin "Holographic recording properties in thick films of ULSH-500 photopolymer", Proc. SPIE 3291, Diffractive and Holographic Device Technologies and Applications V, (18 June 1998); https://doi.org/10.1117/12.310591

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