Holographic Recording in Cerium Doped Strontium Barium Niobate a-Axis Single Crystal Fibers
- 1 February 1992
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 31 (2S) , 708-712
- https://doi.org/10.1143/jjap.31.708
Abstract
We have grown cerium doped strontium barium niobate (Ce:SBN60) single-crystal fibers, 250 µm-1 mm in diameter, along the a-axis by the laser heated pedestal growth method. The properties of holographic recording in the fiber are investigated. This fiber is expected to have high writing sensitivity due to its large relevant figure of merit and relatively wide grating spacing. The diffraction efficiency reaches more than 40% at 50 ms for a transmitted object beam with an exposure power of 75.2×2 µW. The angular sensitivity is 1.5 mrad at an incident angle of 21°. We also demonstrate image recording in the fiber.Keywords
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