Invention Grant
- Patent Title: Laser light source and method for producing a laser light source
- Patent Title (中): 激光光源及激光光源的制造方法
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Application No.: US13730363Application Date: 2008-12-17
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Publication No.: US08964808B2Publication Date: 2015-02-24
- Inventor: Alfred Lell , Christoph Eichler , Wolfgang Schmid , Soenke Tautz , Wolfgang Reill , Dimitri Dini
- Applicant: Alfred Lell , Christoph Eichler , Wolfgang Schmid , Soenke Tautz , Wolfgang Reill , Dimitri Dini
- Applicant Address: DE Regensburg
- Assignee: OSRAM Opto Semiconductors GmbH
- Current Assignee: OSRAM Opto Semiconductors GmbH
- Current Assignee Address: DE Regensburg
- Agency: Cozen O'Connor
- Priority: DE102007061923 20071221; DE102008012859 20080306
- International Application: PCT/DE2008/002127 WO 20081217
- International Announcement: WO2009/080012 WO 20090702
- Main IPC: H01S5/00
- IPC: H01S5/00 ; H01S5/028 ; H01S5/10

Abstract:
A laser light source comprises, in particular, a semiconductor layer sequence (10) having an active region (45) and a radiation coupling-out area (12) having a first partial region (121) and a second partial region (122) different than the latter, and a filter structure (5), wherein the active region (45) generates, during operation, coherent first electromagnetic radiation (51) having a first wavelength range and incoherent second electromagnetic radiation (52) having a second wavelength range, the coherent first electromagnetic radiation (51) is emitted by the first partial region (121) along an emission direction (90), the incoherent second electromagnetic radiation (52) is emitted by the first partial region (121) and by the second partial region (122), the second wavelength range comprises the first wavelength range, and the filter structure (5) at least partly attenuates the incoherent second electromagnetic radiation (52) emitted by the active region along the emission direction (90).
Public/Granted literature
- US20130148683A1 Laser Light Source and Method for Producing a Laser Light Source Public/Granted day:2013-06-13
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