Holographic recording in a doubly doped lithium niobate crystal with two wavelengths: a blue laser diode and a green laser

Yuichi Komori; Yukihiro Ishii

doi:10.1117/12.864156

30 August 2010 Holographic recording in a doubly doped lithium niobate crystal with two wavelengths: a blue laser diode and a green laser

Yuichi Komori, Yukihiro Ishii

Author Affiliations +

Proceedings Volume 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV; 778119 (2010) https://doi.org/10.1117/12.864156
Event: SPIE Photonic Devices + Applications, 2010, San Diego, California, United States

Abstract

A doubly-doped LiNbO₃ (LN) crystal has been well used as a nonvolatile two-wavelength recording material. By using two levels of the crystal, two-kind holograms can be recorded on one crystal; a hologram is recorded with a 405-nm blue laser diode (LD) for a deep Mn level, and another hologram is with a 532-nm green laser for a shallow Fe level. The recording capacity doubles. A 780-nm LD is non-volatile reconstructing source since the LD line is insensitive to both levels. Multiplexed reconstructed images are demonstrated by using a sharp angular selectivity of a volume LN crystal keeping Bragg condition with spherical reconstructions.

Citation Download Citation

Yuichi Komori and Yukihiro Ishii "Holographic recording in a doubly doped lithium niobate crystal with two wavelengths: a blue laser diode and a green laser", Proc. SPIE 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV, 778119 (30 August 2010); https://doi.org/10.1117/12.864156

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