Invention Grant
- Patent Title: Optical element and system using the same
- Patent Title (中): 光学元件和系统使用相同
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Application No.: US12453229Application Date: 2009-05-04
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Publication No.: US07769258B2Publication Date: 2010-08-03
- Inventor: Alan D. Kathman , Charles S. Koehler , William H. Welch , Eric G. Johnson , Robert D. Tekolste
- Applicant: Alan D. Kathman , Charles S. Koehler , William H. Welch , Eric G. Johnson , Robert D. Tekolste
- Applicant Address: US NC Charlotte
- Assignee: Tessera North America, Inc.
- Current Assignee: Tessera North America, Inc.
- Current Assignee Address: US NC Charlotte
- Agency: Lee & Morse, P.C.
- Main IPC: G02B6/32
- IPC: G02B6/32
Abstract:
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.
Public/Granted literature
- US20090226134A1 OPTICAL ELEMENT AND SYSTEM USING THE SAME Public/Granted day:2009-09-10
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