发明名称 |
Optical element and system using the same |
摘要 |
An optical element may include a first diffractive structure having a radially symmetric amplitude function and a second diffractive structure having a phase function. The second diffractive structure may serve as a vortex lens. A system employing the optical element may include a light source and/or a detector.
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申请公布号 |
US2007223094(A1) |
申请公布日期 |
2007.09.27 |
申请号 |
US20070802044 |
申请日期 |
2007.05.18 |
申请人 |
DIGITAL OPTICS CORPORATION |
发明人 |
KATHMAN ALAN D.;KOEHLER CHARLES S.;WELCH WILLIAM H.;JOHNSON ERIC G.;TEKOLSTE ROBERT D. |
分类号 |
G02B27/42;G02B6/34;G02B6/42 |
主分类号 |
G02B27/42 |
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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