| 申请日期 | 2025-07-18 | 申请号 | US12525212 |
| 公开（公告）号 | US20100022379A1 | 公开（公告）日 | 2010-01-28 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Shigeo Kittaka; Masahiro Tsuda; Kentei Yono; Atsunobu Masuno; Yasutomo Arai | ||
| 简介 | An optical element of the present invention exhibits at least one of an upconversion emission characteristic and a light amplifying characteristic when irradiated with an excitation light. The optical element includes a bulk glass that contains titanium oxide as a main component, and the glass further contains a rare earth element. As the rare earth element, at least one element of Er and Yb, or a combination of Yb and Tm preferably is used, for example. | ||
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