The holographic photopolymers property study based on the compound light initiator

Biao Kang; Huaqing Lv; Yourong Liu; Shaoxing Li; Zhenchao Xu; Jihong Zheng

doi:10.1117/12.2594425

1 August 2021 The holographic photopolymers property study based on the compound light initiator

Biao Kang, Huaqing Lv, Yourong Liu, Shaoxing Li, Zhenchao Xu, Jihong Zheng

Proceedings Volume 11826, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XV; 1182604 (2021) https://doi.org/10.1117/12.2594425
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

In order to study a new holographic recording medium, this paper prepares a kind of holographic photoinduced polymer material based on a double monomer and a composite photoinitiator. Add different photoinitiator, such as red bengal (RB), titanium (irgacure 784, Ti) and a mixture of the two in the photopolymer materials, and then perform holographic exposure. We found that the compound photoinitiator improved the diffraction efficiency, light sensitivity, and transmittance to some extent compared with a single photoinitiator. Combined with the diffusion kinetics, we studied the effects of the two kinds of photoinitiators on the photoinduced polymers, and the ratio of the composite photoinitiators was optimized. The holographic parameters such as diffraction efficiency under different exposure intensities, different exposure time, different thickness and different wavelength are tested, it is shown that the exposure conditions have a great influence on the diffraction efficiency. At the same time, this material is sensitive to both green light and red light. The experiment results show that the reconstructed image is clear and bright, which indicates that the photoinduced polymer is suitable for dual-wavelength multiplexing holographic storage.

Citation Download Citation

Biao Kang, Huaqing Lv, Yourong Liu, Shaoxing Li, Zhenchao Xu, and Jihong Zheng "The holographic photopolymers property study based on the compound light initiator", Proc. SPIE 11826, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XV, 1182604 (1 August 2021); https://doi.org/10.1117/12.2594425

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