发明名称 |
Method of producing dielectric diffraction gratings or dielectric multilayer interference filters |
摘要 |
There is disclosed a method of producing dielectric diffraction gratings. This method comprises (a) preparing a preform by forming one upon another layers of two or more glasses having different refractive indices at a given period, and (b) cutting the preform into flat pieces.
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申请公布号 |
US4243398(A) |
申请公布日期 |
1981.01.06 |
申请号 |
US19790008979 |
申请日期 |
1979.02.02 |
申请人 |
NIPPON ELECTRIC CO., LTD. |
发明人 |
NOMURA, HIDENORI;HONMO, HIROSHI;MATSUSHITA, SHIGEO |
分类号 |
G02B5/18;G02B6/02;(IPC1-7):C03B37/00 |
主分类号 |
G02B5/18 |
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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