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Recent progress of parameter-adjustable high-power photonic microwave generation based on wide-bandgap photoconductive semiconductors
《Chinese Optics Letters》2024年第1期113-122,共10页荀涛 牛昕玥 王朗宁 张斌 姚金妹 易木俣 杨汉武 侯静 刘金亮 张建徳 
supported in part by the National Natural Science Foundation of China(Nos.62071477 and 62101577);the Natural Science Foundation of Hunan Province(No.2021JJ40660)。
Radio frequency/microwave-directed energy sources using wide bandgap SiC photoconductive semiconductors have attracted much attention due to their unique advantages of high-power output and multi-parameter adjustable ...
关键词：high-power photonic microwave wide bandgap photoconductive semiconductor devices linear modulation multi-parameter adjustable microwave generation multi-channel power synthesis 
Generation and noise analysis of a wide-band optical frequency comb based on recirculating frequency shifter
《Chinese Optics Letters》2014年第10期1-4,共4页于瀛 雷诚 陈明华 陈宏伟 杨四刚 谢世钟 
supported by the National 973 Program of China(No.2012CB315703);the National Natural Science Foundation of China(Nos.61132004,61335002,61322113,and 61120106001);the Program for New Century Excellent Talents in University(No.NCET-10-0520);the Young top-notch Talent Program sponsored by Ministry of Organization,China;the Tsinghua University Initiative Scientific Research Program
By optimizing the gain configuration and length of the loop, a 90-tone optical frequency comb （OFC） is successfully generated based on recirculating frequency shifter structure. The peak-to-peak power fluctuation of...
关键词：Natural frequencies 
Effect of coating thickness on the calibration and measurement uncertainty of a wide-band liquid crystal thermography
《Chinese Optics Letters》2010年第4期395-397,共3页饶宇 藏述升 万超一 
supported by the National Natural Science Foundation of China under Grant No.50806045
The liquid crystal thermography is a high-resolution and non-intrusive optical technique for full-field temperature measurement.We present detailed calibration data for a wide-bandwidth thermochromic liquid crystal（...
关键词：CALIBRATION COATINGS Liquid crystals TEMPERATURE Thermography (temperature measurement) Thickness measurement 
Wide-band double-pass discrete Raman amplifier with reflection of signals and pumps被引量：1
《Chinese Optics Letters》2004年第8期480-482,共3页王著元 崔一平 
This work was supported by the National Science Foun- dation of China for Distinguished Young Scholars under Grant No. 60125513.
A wide-band (1530-1610 nm) and high efficient double-pass discrete Raman amplifier is reported. In this Raman amplifier, by using a one-end gilded fiber as the broadband reflector, signals and multi-pump are both refl...
关键词：Light reflection Optically pumped lasers Raman scattering 
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