发明名称 |
A VERTICAL CAVITY SURFACE EMITTING LASER DEVICE WITH ANGULAR-SELECTIVE FEEDBACK |
摘要 |
The present invention relates to a laser device comprising at least one large area VCSEL (101) and at least one optical feedback element (201, 301) providing an angular-selective feedback for laser radiation emitted from the laser. The angular-selective feedback is higher for at least one portion of laser radiation emitted at angles ? > 0 to the optical axis (601) of the laser than for laser radiation emitted on said optical axis (601). The invention also refers to a method of stabilizing a laser emission of a large area VCSEL in a desired angular distribution (501, 502). With the proposed device and method, the intensity distribution of a large area VCSEL can be stabilized in a desired shape, for example a ring shape. |
申请公布号 |
WO2011021139(A2) |
申请公布日期 |
2011.02.24 |
申请号 |
WO2010IB53686 |
申请日期 |
2010.08.16 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V.;PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH;MOENCH, HOLGER;GRONENBORN, STEPHAN |
发明人 |
MOENCH, HOLGER;GRONENBORN, STEPHAN |
分类号 |
H01S5/14 |
主分类号 |
H01S5/14 |
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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