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浏览/检索结果: 共2条，第1-2条 帮助 限定条件 专题：长春光学精密机械与物理研究所    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Design of the transducer for multi-direction wind energy harvesting based on PZT 期刊论文 Ferroelectrics, 2019, 卷号: 550, 期号: 1, 页码: 196-209 作者:  X.H.Zhou;  J.H.Zou;  D.Y.Gan;  X.Gou;  Y.D.Chen 收藏  |  浏览/下载：0/0  |  提交时间：2020/08/24 Multi-direction wind energy harvesting,PZT (lead zirconate titanate),cantilever beam,conversion circuit,wireless data transmission,Materials Science,Physics   Research on 10.6 m laser beam monitoring in CO2 laser processing system (EI CONFERENCE) 会议论文 Infrared Materials, Devices, and Applications, November 12, 2007 - November 15, 2007, Beijing, China Shi Y.; Gao Y.; Deng W.; Shao S. 收藏  |  浏览/下载：19/0  |  提交时间：2013/03/25 It is a key point of CO2 laser beam monitoring in the CO 2 laser processing system to achieve alignment between CO2 laser and PL (pointing and launching) system. By monitoring the angle offset of CO2 laser beam  the compensation can be gotten witch is given to fast-steering mirror to rectify the direction of laser beam. But the normal photoelectric detector can not get the laser signal because of CO2 laser's high energy and long wavelength. Its wavelength is 10.6m and its power can reach kW level. Consequently  it is difficult to detect the high-energy 10.6m laser beam directly. So  we monitored the output mirror of laser resonator superseded the laser beam  indirectly. The laser beam monitoring system could be designed based on CCD laser auto-collimation angular measurement principle and image processing method. In this paper  application of CCD laser auto-collimation angular measurement principle and image processing method for CO2 laser beam monitoring system is introduced particularly  After design  fabrication and alignment  the monitoring system can be used for experimental study that including angular measurement accuracy and angle offset measurement of CO2 laser beam. Angle offset range and angle variation rule of CO2 laser beam is also can be acquired for further research.