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Proceedings Paper

Holographic properties of doped stoichiometric LiNbO3 crystals
Author(s): Shiquan Tao; Myeongkyu Lee; Kenji Kitamura; Hideki Hatano; Ludwig Galambos; Lambertus Hesselink
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Paper Abstract

Doped stoichiometric LiNbO3 (SLN) crystals show more advantages over traditional congruent LiNbO3 (CLN). This paper is focused on the measurement of the holographic performances of doped SLN crystals, including the sensitivity, dynamic range, and angular selectivity. The principles and methods for the measurements are first described, with more attention paid to the measurement of erasure time constants. The results show that the SLN crystal co-doped with Ce and Mn has the largest dynamic range, owing to the extremely long erasure time constants even by the multiplexing method. The SLN crystal co-doped with Tb and Fe and reduced in rich nitrogen atmosphere has the fastest response time and highest sensitivity. The oxidized and as-grown SLN crystals co-doped with Tb and Fe exhibit photochromic effect under UV illumination. With UV pre-illumination these crystals have sensitivity competitive to the heavily Fe doped CLN. The measured selective angles for most of the SLN samples of proper optical quality agree well with the theoretical calculation.

Paper Details

Date Published: 7 February 2001
PDF: 5 pages
Proc. SPIE 4085, Fifth International Symposium on Optical Storage (ISOS 2000), (7 February 2001); doi: 10.1117/12.416874
Show Author Affiliations
Shiquan Tao, Beijing Polytechnic Univ. (China)
Myeongkyu Lee, National Institute for Research in Inorganic Materials (Japan)
Kenji Kitamura, National Institute for Research in Inorganic Materials (Japan)
Hideki Hatano, Pioneer Corp. (Japan)
Ludwig Galambos, Stanford Univ. (United States)
Lambertus Hesselink, Stanford Univ. (United States)


Published in SPIE Proceedings Vol. 4085:
Fifth International Symposium on Optical Storage (ISOS 2000)
Fuxi Gan; Lisong Hou, Editor(s)

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