Improvement in UV Optical Properties of CsLiB6O10 by Reducing Water Molecules in the Crystal

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Published 23 May 2005 • Copyright (c) 2005 The Japan Society of Applied Physics
, , Citation Muneyuki Nishioka et al 2005 Jpn. J. Appl. Phys. 44 L699 DOI 10.1143/JJAP.44.L699

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1 Department of Electrical, Electronic and Information Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan

2 Advanced Technology R&D Center, Mitsubishi Electric Corporation, 8-1-1 Tsukaguchi-Honmachi, Amagasaki, Hyogo 661-8661, Japan

Dates

  1. Received 15 November 2004
  2. Accepted 13 April 2005
  3. Published

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Abstract

We investigated the effects of water molecules in CsLiB6O10 (CLBO) crystals on UV optical properties. Our results show that long-term heat treatment is necessary to adequately remove water molecules from inside the crystal. The reducing the number of water molecules contained in the crystal improves the transmittance at 266 nm. In addition, the long-term heat-treated crystal can generate three-times higher 266-nm output without bulk damage than a normal sample.

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10.1143/JJAP.44.L699