| 申请日期 | 2025-07-09 | 申请号 | KR1020097017102 |
| 公开（公告）号 | KR1020090107060A | 公开（公告）日 | 2009-10-12 |
| 公开国别 | KR | 申请人省市代码 | 全国 |
| 申请人 | JAPAN AEROSPACE EXPLORATION AGENCY; NIPPON SHEET GLASS CO LTD | ||
| 简介 | An optical element exhibits either an up conversion light emitting characteristic or a light amplifying characteristic when irradiated with exciting light. The optical element includes a bulk glass having titanium oxide as a main component and the glass contains a rare earth element. As the rare earth element, for instance, at least an element of Er or Yb, and a combination of Yb and Tm are suitably used. | ||
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