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    • 6. 发明申请
    • A METHOD FOR GENERATING OR AMPLIFYING SEVERAL WAVELENGTH LASER RADIATION IN A SINGLE OPTICAL CAVITY
    • 用于在单个光学腔中产生或放大几个波长激光辐射的方法
    • WO2014027226A1
    • 2014-02-20
    • PCT/IB2012/055815
    • 2012-10-23
    • INTEGRATED OPTICS, UAB
    • JONUSKA, Jonas
    • H01S3/08H01S3/06H01S3/108H01S3/109H01S3/16H01S3/23
    • H01S3/08004H01S3/0621H01S3/08059H01S3/08086H01S3/1083H01S3/109H01S3/1611H01S3/1643H01S3/2375
    • An object of the present invention is to provide a laser source capable of simultaneously generating several wavelength radiation at desired power ratio between each other. Said radiation of two or more wavelengths can be used for mixing of said wavelengths in a non-linear optical media in order to achieve different wavelength radiation than those amplified in the gain media. In the most preferred embodiment, a laser source comprises a dispersive optical element, placed in an optical cavity, having a single optical axis. The dispersive element causes different wavelength radiation to travel in slightly different optical paths through the dispersive element. Tuning of the laser is performed by moving or tilting the dispersive element with respect to the axis of the cavity. As a result, desired ratio or proportions of average power are achieved for each of said wavelengths. Having the ability to change the power ratio is important for achieving simultaneous generation of several wavelengths in a single gain media, thus avoiding depletion of the exited state by the dominant wavelength.
    • 本发明的目的是提供一种激光源,其能够以期望的功率比同时产生多个波长辐射。 两个或多个波长的所述辐射可以用于在非线性光学介质中混合所述波长,以便实现与在增益介质中放大的波长相比不同的波长辐射。 在最优选的实施例中,激光源包括放置在具有单个光轴的光学腔中的分散光学元件。 分散元件使得不同的波长辐射在通过分散元件的稍微不同的光路中行进。 通过相对于腔的轴线移动或倾斜色散元件来执行激光的调谐。 结果,对于每个所述波长实现平均功率的期望比率或比例。 具有改变功率比的能力对于在单个增益介质中同时产生几个波长是重要的,因此避免了由主波长耗尽退出状态。
    • 10. 发明申请
    • OPTICAL DEVICE
    • 光学装置
    • WO1997015863A1
    • 1997-05-01
    • PCT/JP1996003149
    • 1996-10-28
    • MITSUBISHI CABLE INDUSTRIES, LTD.ITO, Hiromasa
    • MITSUBISHI CABLE INDUSTRIES, LTD.
    • G02F01/37
    • H01S3/108G02F1/3558G02F2001/3548H01S3/0606H01S3/1083H01S3/1095H01S3/115
    • An optical device of this invention is such that complicated adjustment of the arrangement is not needed unlike a conventional optical device for outputting light having a frequency different from that of the input light by means of a nonlinear optical crystal. Electrodes (12A and 12B) for Q-switching, electrodes (9A and 9B) for phase adjustment and a periodical domain inversion portion (15) are disposed at predetermined positions in path (2) inside an optical crystal body (1) having nonlinear optical properties, electro-optical properties and laser activity. Oscillation light (P1) is produced by inputting light (P0) given from the input side (3), and output light (P2) having a frequency different from the frequency of the input light (P0) is outputted from the output side (4) by the nonlinear optical property and by the generation of harmonic or by optical parametric oscillation by use of the periodical domain inversion portion (15). The refractive index of the part of nonlinear crystal body (1) between the phase adjustment electrodes (9A and 9B) is changed by changing the voltage between the electrodes (9A and 9B), and the frequency of resonance over the full length (Lt) of the path (2) is thus adjusted. The Q-switching of oscillation light (P) is conducted by changing the refractive index of an oblique crossing portion of the oblique side (G) of the electrode (12A) and the path (2) by changing the voltage between the Q switch electrodes (12A and 12B).
    • 本发明的光学装置与传统的通过非线性光学晶体输出具有与输入光的频率不同的光的光学装置不需要复杂的布置调整。 用于Q开关的电极(12A和12B),用于相位调节的电极(9A和9B)和周期性域反转部分(15)设置在具有非线性光学的光学晶体(1)内的路径(2)中的预定位置 性能,电光性能和激光活性。 通过输入从输入侧(3)给出的光(P0)产生振荡光(P1),并且从输出侧(4)输出具有与输入光(P0)的频率不同的频率的输出光(P2) )通过非线性光学特性以及通过使用周期性域反转部分(15)产生谐波或通过光学参量振荡来产生。 通过改变电极(9A和9B)之间的电压和全长(Lt)的共振频率来改变相位调节电极(9A和9B)之间的非线性晶体(1)部分的折射率, 的路径(2)被调整。 振荡光(P)的Q开关通过改变电极(12A)的倾斜侧(G)和路径(2)的倾斜交叉部分的折射率来改变Q开关电极 (12A和12B)。