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浏览/检索结果: 共12条，第1-10条 帮助

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High-efficiency longwave 2085 nm laser output in low-loss Ho3+-doped fluorotellurite glass fiber by 1976 nm in-band pumping 期刊论文  OAI收割
Optics and Laser Technology, 2024, 卷号: 177
作者:  Feng, Shaohua;  Shen, Yewei;  Zhu, Jun;  Liu, Chengzhen;  Xu, Yantao
  |  收藏  |  浏览/下载：24/0  |  提交时间：2024/09/04
Experimental studies on the physical and mechanical properties of heated rock by air, water and high-viscosity fluid cooling 期刊论文  OAI收割
GEOMECHANICS FOR ENERGY AND THE ENVIRONMENT, 2022, 卷号: 31
作者:  Pan, Peng-Zhi;  Shao, Chang-Yue
  |  收藏  |  浏览/下载：16/0  |  提交时间：2023/08/02
Influence of horizontal damage size of grating ridge on the optical properties of multilayer dielectric gratings 期刊论文  OAI收割
appl. optics, 2014, 卷号: 53, 期号: 22, 页码: 4859
作者:  Kong, Fanyu;  Jin, Yunxia;  Guan, Heyuan;  Liu, Shijie;  Wu, Jianbo
收藏  |  浏览/下载：79/0  |  提交时间：2016/11/28
Influence of horizontal damage size of grating ridge on the optical properties of multilayer dielectric gratings 期刊论文  OAI收割
appl. optics, 2014, 卷号: 53, 期号: 22, 页码: 4859
作者:  Kong, Fanyu;  Jin, Yunxia;  Guan, Heyuan;  Liu, Shijie;  Wu, Jianbo
收藏  |  浏览/下载：66/0  |  提交时间：2016/11/25
Near-field optical properties of wide bandwidth metal multi-layer dielectric gratings for pulse compressor 期刊论文  OAI收割
appl. phys. b-lasers opt., 2014, 卷号: 114, 期号: 4, 页码: 557
作者:  Guan, Heyuan;  Jin, Yunxia;  Liu, Shijie;  Kong, Fanyu;  Du, Yin
收藏  |  浏览/下载：18/0  |  提交时间：2016/11/28
Near-field optical properties of wide bandwidth metal multi-layer dielectric gratings for pulse compressor 期刊论文  OAI收割
appl. phys. b-lasers opt., 2014, 卷号: 114, 期号: 4, 页码: 557
作者:  Guan, Heyuan;  Jin, Yunxia;  Liu, Shijie;  Kong, Fanyu;  Du, Yin
收藏  |  浏览/下载：13/0  |  提交时间：2016/11/28
Influence of horizontal damage size of grating ridge on the optical properties of multilayer dielectric gratings 期刊论文  OAI收割
appl. optics, 2014, 卷号: 53, 期号: 22, 页码: 4859
作者:  Kong, Fanyu;  Jin, Yunxia;  Guan, Heyuan;  Liu, Shijie;  Wu, Jianbo
收藏  |  浏览/下载：19/0  |  提交时间：2016/11/28
Experiment analysis of CO2 laser disturbance on long-wave infrared HgCdTe detector (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Electric Information and Control Engineering, ICEICE 2011, April 15, 2011 - April 17, 2011, Wuhan, China
作者:  Wang S.-W.
收藏  |  浏览/下载：25/0  |  提交时间：2013/03/25
Theoretical analysis and experimental study were carried out on the high-power CO2 laser disturbance to long-wave infrared (LWIR) HgCdTe detector in this paper. Based on the practical parameters of experiment  the theoretical model of temperature-rise is adopted to calculate the variation of the temperature with the time and the power of laser for laser irradiation on the detector. After that  the damage threshold is 110W/cm2. This experimental phenomenon well agrees with the results predicted by the theoretical calculation. The conclusions have a certain reference value for the laser defense of detector. 2011 IEEE.  the high-power laser damage mechanism to LWIR detector is discussed  and compares with the experimental results of laser irradiation the detector on the distance of 15km. The theoretical and experimental results demonstrate that the interference threshold of the detector is 20.5W/cm 2  
不同方法制备的Ta_2O_5薄膜光学性能和激光损伤阈值的对比分析 期刊论文  OAI收割
中国激光, 2008, 卷号: 35, 期号: 10, 页码: 1595, 1599
许程; 董洪成; 肖祁陵; 麻健勇; 晋云霞; 邵建达
收藏  |  浏览/下载：755/153  |  提交时间：2009/09/22
Optical fiber transmission of Q-switdied Nd:YAG pulses of 10MW peak power: Mechanism of damage to the fiber (EI CONFERENCE) 会议论文  OAI收割
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies - Advanced Optical Manufacturing and Testing Technologies, November 2, 2005 - November 5, 2005, Xian, China
作者:  Wang L.;  Zhang Y.;  Chen W.;  Tang Y.;  Wang L.
收藏  |  浏览/下载：31/0  |  提交时间：2013/03/25
This paper presents theoretical analysis and experiment results of four different fibers transmitting 10MW peak power Nd: YAG laser pulse. The main factors limiting to optical fiber transmission of high power laser pulse is pointed  including air breakdown at focus area and surface damage of optical fiber. The theory of air breakdown and the fiber coupling conditions is described briefly. The results of study to the transmission properties and damage conditions are presented on the basis of four different types of optical fibers. The results of the experiments are further analyzed in the aspects of transmitting efficiency  air breakdown and surface damage. The local and foreign optical fibers  with plastic-cladding and silica-cladding  and step- index and graded- index fibers are tested separately in the experiments. The experiments showed that the imported fibers are able to transmit up to 10MW peak power laser pulse with no any visible damage  while energy density at the fiber output end surface is 3.54GW/cm2. For local fibers  damage on the input surface of both plastic-cladding and silica-cladding  step-index fibers was found obviously. The column damage to the graded index fiber was also found and investigated in the research. Damage mechanisms of fiber at high peak power laser pulses are summarized. High quality finishing of fiber end surface will improve damage threshold tremendously. The conclusion of the study is that transmitting Q-switched Nd:YAG pulses of 10MW peak power is feasible for the domestically made fibers if their end surfaces are properly processed.