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Ground experiment of a 50 mm balloon-borne coronagraph for near space project 会议论文
Chengdu, China, 2021-06-14
作者:  Liu Y(刘煜);  Zhang XF(张雪飞);  Song TF(宋腾飞);  Sun, Mingzhe;  Liu, Dayang
收藏  |  浏览/下载：57/0  |  提交时间：2022/03/07
A compact passive microwave calibration target for full-polarized radiometer 会议论文
Singapore, Singapore, November 19, 2017 - November 22, 2017
作者:  Wang, Zhenzhan;  Liu, Jingyi;  Li, Bin;  Lu, Hao;  Li, Jiaoyang
收藏  |  浏览/下载：16/0  |  提交时间：2018/06/01
Polarization switching of sodium guide star laser for brightness enhancement 会议论文
作者:  Feng, Yan;  Fan, Tingwei;  Zhou, Tianhua
收藏  |  浏览/下载：24/0  |  提交时间：2017/12/25
High power diode laser with beam coupling (EI CONFERENCE) 会议论文
Optoelectronic Materials and Devices III, October 27, 2008 - October 30, 2008, Hangzhou, China
Gu Y.; Wang L.; Feng G.; Shan X.; Yin H.; Liu Y.
收藏  |  浏览/下载：52/0  |  提交时间：2013/03/25
As the increasing applications of the semiconductor lasers in the laser processing  the single 2-D stack optic-power density has not satisfied the actual requirements. It demands to couple several diode laser stack beams to one to improve the brightness  and it becomes the central issue to adopt the appropriate beam coupling technology which would offer high quality and high efficiency. In this paper  it mainly introduces the beam shaping and the technology of spatial coupling  polarization coupling  and wavelength coupling. The coupling key elements are presented and indicated. Finally  the development of the diode laser on beam coupling in our country fell behind through analyzing the statement of the world. Our lab is studying on polarization coupling and wavelength coupling. We gain some results by phase  which the polarization coupling efficiency can achieve 90% for two LD stacks with seven bars whose luminous wavelength is 975nm and980nm.By two 808nm diode laser coupling  the efficiency of 60% can be achieved after focusing to the beam size of 22mm2. 2008 SPIE.  
The correlation between the asymmetric mass loss and the Normal-SD phase of AG Car 会议论文
Meeting on Stars with the B (e) Phenomenon, Isl Vlieland, NETHERLANDS, 2005-07-10
作者:  Guo JH(郭建恒);  Li Y(李焱);  Guo JH(郭建恒);  Li Y(李焱)
收藏  |  浏览/下载：11/0  |  提交时间：2015/11/26
Oceanic wind speed retrieval from SSM/I 会议论文
Conference on Microwave Remote Sensing of the Atmosphere and Environment III, Hangzhou, Peoples R China, 2003
Zhenzhan Wang; Jing Li; JingShang Jiang
收藏  |  浏览/下载：12/0  |  提交时间：2014/05/04

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