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1. 发明申请

WO2014035843A3 HIGH-POWER MULTI-FUNCTION MILLIMETER-WAVE SIGNAL GENERATION USING OPO AND DFG 审中-公开
标题翻译：使用OPO和DFG的大功率多功能微波信号发生
公开(公告)号：WO2014035843A3
公开(公告)日：2014-05-08
申请号：PCT/US2013056533
申请日：2013-08-23
申请人： LOCKHEED CORP
发明人： HU YONGDAN , XING ANDREW , HENDERSON ANGUS
IPC分类号： G02F1/35
CPC分类号： G02F1/3534 , G02F1/0128 , G02F1/3501 , G02F1/353 , G02F1/3532 , G02F1/3551 , G02F1/39 , G02F2001/3503 , G02F2001/3507 , G02F2203/13 , H01S3/0078 , H01S3/0092 , H01S3/0675
摘要： Apparatus and method for high-power multi-function millimeter-wavelength (THz-frequency) signal generation using OPO and DFG in a single cavity. In some embodiments, the OPO-DFG cavity includes an optical parametric oscillator (OPO) non-linear material that receives pump light IP having pump-light frequency and generates two different lower intermediate frequencies of light - an OPO-signal beam IS and a spatially/temporally overlapping OPO-idler beam II. A difference-frequency generator non-linear material then receives the two intermediate-frequency beams II and IS, and the DFG then generates a THz-frequency output signal that has a frequency equal to the difference between the two intermediate frequencies. In some embodiments, a single-piece crystal of non-linear material is used for both OPO and DFG functions. Some embodiments use a bow-tie ring having four mirrors that define the optical path: an IP-beam-entry mirror, an IP-light-extraction mirror to remove unconverted IP-beam, an II-beam-extraction mirror, and an IS-beam-extraction mirror, and a fifth ITHz-beam-extraction mirror.
摘要翻译：在单腔中使用OPO和DFG的大功率多功能毫米波（THz频）信号产生装置和方法。在一些实施例中，OPO-DFG空腔包括光学参数振荡器（OPO）非线性材料，其接收具有泵浦光频率的泵浦光IP并产生两个不同的下中间频率的光 - OPO信号光束IS和空间上 /时间重叠的OPO惰轮II。然后，差分频率发生器非线性材料接收两个中频光束II和IS，然后DFG产生具有等于两个中间频率之间的差的频率的THz频率输出信号。在一些实施例中，非线性材料的单片晶体用于OPO和DFG功能。一些实施例使用具有限定光路的四个反射镜的蝴蝶结环：IP光束入射镜，用于去除未转换的IP光束的IP光提取镜，II光束提取镜和IS 光束提取镜和第五个ITHz光束提取镜。

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