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    • 8. 发明申请
    • METHOD FOR OSCILLATING AN OPTICAL VORTEX LASER AND OPTICAL VORTEX LASER OSCILLATION DEVICE
    • 用于振荡光学VORTEX激光和光学VORTEX激光振荡器件的方法
    • US20140226685A1
    • 2014-08-14
    • US14124409
    • 2012-06-07
    • Takashige OmatsuKatsuhiko Miyamoto
    • Takashige OmatsuKatsuhiko Miyamoto
    • H01S3/108
    • H01S3/1083G02F1/39G02F2202/20H01S3/0092
    • Provided is an optical vortex laser oscillation device which is capable of an increased out and can generate an optical vortex even in a wide frequency range and if the optical vortex has a quantum number which is not an integer. A laser device according to one embodiment of the present application comprises: a laser light source for generating laser light; an optical vortex generation unit for generating an energized optical vortex on the basis of the laser light generated by the laser light source; and an optical resonance unit for resonating the energized optical vortex generated by the optical vortex generation unit and dividing the energized optical vortex into signal light and idler light. Therein, it is preferable that the optical resonance unit comprises a non-liner medium and a pair of resonator mirrors sandwiching the non-linear medium, and it is preferable that the non-linear medium includes at least one among KTiOPO4, periodically polarization-reversed LiNbO3, and periodically polarization-reversed LiTaO3.
    • 本发明提供一种光学旋涡激光振荡装置,即使在宽的频率范围内也能够产生光漩涡,如果光学涡流的量子数不是整数即可。 根据本申请的一个实施例的激光装置包括:用于产生激光的激光光源; 光学漩涡产生单元,用于基于由激光光源产生的激光产生通电的光涡旋; 以及光学谐振单元,用于使由所述光学涡流产生单元产生的激励光学漩涡谐振,并且将所述通电的光学涡流分成信号光和空转光。 其中,优选的是,所述光学谐振单元包括非线性介质和夹持所述非线性介质的一对谐振镜,并且所述非线性介质优选地包括KTiOPO4中的至少一种,周期性地偏振反转 LiNbO3,周期性极化反转LiTaO3。