Characterization of Cd1-xMnxTe crystals grown by the Bridgman method and the zone melt method

H. Sato, K. Onodera, H. Ohba

研究成果: Conference article査読

5 被引用数 (Scopus)

抄録

Cd1-xMnxTe crystals have been grown by a Bridgman method (BM) and by a zone melt method (ZM). While the BM-grown crystals have a heavy twin (A.E. Turner, R. Gunshor and S. Datta, Appl. Opt. 22 (1983) 3152.) the ZM-grown crystals have twin-free and a heavy striation in the growth direction (R. Triboulet, A. Heurtel and J. Rioux, J. Crystal Growth 101 (1990) 131.). These defects affect a extinction ratio as a function of crystal plane. Both crystals grown by two methods have the insertion loss of 0.3 dB at 0.66 μm, the extinction ratio of more than 30 dB in these (1 1 1) crystal planes at 0.66 μm and these crystals have a large size (20 mm diameter × 40 mm length). While the distribution of the Faraday rotated angle × 30 mm length of the BM-grown crystal is 45 ± 3.5°, that of the ZM-grown crystal is 45 ± 0.3°. The uniformity of the Faraday rotated angle of the ZM-grown crystal is more stable than that of the BM-grown crystal. We have demonstrated crystal growth by the zone melt method (ZM) with the aim of the commercial production of a 45° Faraday rotator with a low cost and a high performance.

本文言語English
ページ(範囲)885-888
ページ数4
ジャーナルJournal of Crystal Growth
214
DOI
出版ステータスPublished - 2000 6 2
外部発表はい
イベントThe 9th International Conference on II-VI Compounds - Kyoto, Jpn
継続期間: 1999 11 11999 11 5

ASJC Scopus subject areas

  • 凝縮系物理学
  • 無機化学
  • 材料化学

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