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    • 1. 发明申请
    • MULTIPLE WAVELENGTH LASER SOURCE
    • 多波长激光源
    • WO2003058337A1
    • 2003-07-17
    • PCT/IL2002/000013
    • 2002-01-06
    • RAICOL CRYSTALS LTD.ROTH, MichaelSKLIAR, AlexanderANGERT, NahumGONEN, DavidROITMAN, Roy
    • ROTH, MichaelSKLIAR, AlexanderANGERT, NahumGONEN, DavidROITMAN, Roy
    • G02F1/35
    • H01S3/2383G02F1/3501G02F1/3532G02F1/3558G02F1/39G02F2001/3507G02F2001/3548H01S3/08086H01S3/1083
    • A multi-wavelength light source (MWS)(20, 72, 80, 92) that simultaneously provides a plurality of output laser light beams at different wavelengths (λ s1 , λ s5 ) comprising: a laser (22) that provides laser light at a given first frequency; a periodically poled optical element (PPE) (32, 74, 82, 92) comprising a plurality of gratings (34), each having grating planes produced by periodic poling of the material from which the PPE is formed and a propagation axis perpendicular to the grating planes and wherein different gratings of the PPE have different poling periods (1) the gratings being optionally timed by controlling the temperature through heat pumps (94); an optical cavity (26, 28) for each component grating inside of which cavity the component grating is positioned; and a light director that directs light from the laser so that it enters the optical cavity for each grating and simultaneously illuminates each of the gratings, as a result of which each grating generates output laser light beams that have wavelengths that are a function of the first frequency and the polling period (1) of the grating.
    • 同时提供不同波长的多个输出激光束(lambdas1,lambdas5)的多波长光源(MWS)(20,72,80,92),包括:激光器(22),其在给定的 第一频率 包括多个光栅(34)的周期性极化的光学元件(32,74,82,92),每个光栅具有由形成PPE的材料的周期性极化产生的光栅平面,垂直于 光栅平面,并且其中PPE的不同光栅具有不同的极化周期(1)通过通过热泵(94)控制温度来选择定时的光栅; 用于每个组件光栅的光学腔(26,28),其内部组件光栅被定位; 以及导光体,其引导来自激光器的光,使得其进入每个光栅的光腔并同时照射每个光栅,由此每个光栅产生输出激光束,其具有波长为第一 频率和光栅的轮询周期(1)。