发明名称 |
Narrow-band optical absorption filter |
摘要 |
A selected impurity in a crystal is provided as a narrow-band absorption filter for optical radiation. The crystal lattice constant may be adjusted, for example, by forming a mixed crystal, to adjust the absorption frequency.
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申请公布号 |
US4859028(A) |
申请公布日期 |
1989.08.22 |
申请号 |
US19810252449 |
申请日期 |
1981.04.09 |
申请人 |
BARNES ENGINEERING COMPANY |
发明人 |
MOORE, JAMES;KALE, MICHAEL;CSANAK, GEORGE |
分类号 |
G02B1/02;G02B5/22 |
主分类号 |
G02B1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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