发明授权
- 专利标题： Polarizing device and laser unit
- 专利标题（中）： 极化装置和激光单元
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申请号： US12616417申请日： 2009-11-11
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公开(公告)号： US07978408B2公开(公告)日： 2011-07-12
- 发明人: Taiki Sawabe , Keiji Nomaru
- 申请人： Taiki Sawabe , Keiji Nomaru
- 申请人地址： JP Tokyo
- 专利权人： Disco Corporation
- 当前专利权人： Disco Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Greer, Burns & Crain, Ltd.
- 优先权： JP2008-311984 20081208
- 主分类号： G02B5/30
- IPC分类号： G02B5/30 ; G02B27/28
摘要：
A polarizing device for converting a circularly polarized light beam into a radial polarized light beam, wherein the circularly polarized light beam is obtained by passing a linearly polarized light beam oscillated from a laser oscillator through a quarter-wave plate. The polarizing device includes an axicon lens having a conical surface and a dielectric film formed on the conical surface of the axicon lens.
公开/授权文献
- US20100142049A1 POLARIZING DEVICE AND LASER UNIT 公开/授权日：2010-06-10
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