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    • 5. 发明申请
    • SWITCHABLE DUAL WAVELENGTH SOLID STATE LASER
    • 可开关双波长固体激光器
    • WO2009022291A3
    • 2009-04-09
    • PCT/IB2008053222
    • 2008-08-12
    • PHILIPS INTELLECTUAL PROPERTYKONINKL PHILIPS ELECTRONICS NVWEICHMANN ULRICHBENGOECHEA APEZTEGUIA JAIONEMOENCH HOLGER
    • WEICHMANN ULRICHBENGOECHEA APEZTEGUIA JAIONEMOENCH HOLGER
    • H01S3/107H01S3/08H01S3/16
    • H01S3/107H01S3/08054H01S3/0809H01S3/10061H01S3/1613H01S3/1638H01S3/1645H01S3/1653H04N9/3129H04N9/3161
    • The present invention relates to a switchable dual wavelength solid state laser with a solid state gain medium (1) which is selected to emit optical radiation at a first wavelength with a first polarization and of at least a second wavelength with a second polarization different from said first polarization when optically or electrically pumped. A polarizing device (7) is arranged within the laser cavity, said polarizing device (7) being adjustable at least between said first and said second polarization. The two end mirrors (2, 3) of the laser cavity are designed to allow lasing of the solid state laser at the first wavelength when the polarizing device (7) is adjusted to the first polarization, and to allow lasing of the solid state laser at the second wavelength when the polarizing device (7) is adjusted to the second polarization. The proposed solid state laser allows an easy switching between two emission wavelengths. The polarizing device (7) is for example realized by a combination of a Pockels cell (8) and a polarizer (9). End mirrors (2, 3) suppress unwanted wavelengths and a beam clump (10) absorbs the radiation not fed-back in the resonator.
    • 本发明涉及具有固态增益介质(1)的可切换双波长固态激光器,其被选择为发射具有第一偏振的第一波长的光辐射和具有不同于所述第二偏振的第二偏振的至少第二波长 光学或电泵浦时的第一极化。 偏振装置(7)布置在激光腔内,所述偏振装置(7)至少在所述第一和所述第二极化之间是可调节的。 激光腔的两端镜(2,3)被设计成当偏振装置(7)被调节到第一偏振时允许固态激光器以第一波长的激光,并且允许固体激光器的激光 当偏振装置(7)被调节到第二偏振时,在第二波长处。 所提出的固态激光器允许在两个发射波长之间容易切换​​。 偏振装置(7)例如通过普克尔斯单元(8)和偏振器(9)的组合实现。 端镜(2,3)可以抑制不需要的波长,并且光束束(10)吸收谐振器中未反馈的辐射。