发明授权
US6101023A Line periodically poled LiNbO.sub.3 (PPLN) optical parametric oscillator
(OPO-DFG-OPO) with common doubly resonant cavity
有权
线周期性极化LiNbO3（PPLN）光参量振荡器（OPO-DFG-OPO）与普通双谐振腔
- 专利标题： Line periodically poled LiNbO.sub.3 (PPLN) optical parametric oscillator (OPO-DFG-OPO) with common doubly resonant cavity
- 专利标题（中）： 线周期性极化LiNbO3（PPLN）光参量振荡器（OPO-DFG-OPO）与普通双谐振腔
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申请号： US151464申请日： 1998-09-11
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公开(公告)号： US6101023A公开(公告)日： 2000-08-08
- 发明人: Ronald K. Meyer, Jr. , Mohan Vaidyanathan , William Pekny , Gerald P. Griffith , Peter H. Mui
- 申请人： Ronald K. Meyer, Jr. , Mohan Vaidyanathan , William Pekny , Gerald P. Griffith , Peter H. Mui
- 申请人地址： CA Los Angeles
- 专利权人： Northrop Grumman Corporation
- 当前专利权人： Northrop Grumman Corporation
- 当前专利权人地址： CA Los Angeles
- 主分类号： G02F1/35
- IPC分类号： G02F1/35 ; G02F1/39
摘要：
The present invention relates generally to the field of optical devices and particularly to embodiments of a three-stage PPLN optical parametric oscillator/difference-frequency generator configuration. The present invention allows simultaneous generation of three wavelengths in efficient use of the pump signal. The structure of the first embodiment of the present invention comprises a first PPLN element having first and second grating regions, and a second PPLN element having its own grating period. An input coupler is positioned at the input and exit ends of a resonator cavity and the first PPLN element is positioned between the input coupler and the second PPLN element. A second embodiment of the present invention includes a single PPLN element having three separate grating regions. The single PPLN element is positioned between input and output coupler mirrors. A third embodiment of the present invention includes a single PPLN element having three grating regions. The input and output couplers are affixed directly to the input and exit facets of the PPLN element.
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