http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
A Fiber Spool’s Vibration Sensitivity Optimization Based on Orthogonal Experimental Design
Jing Gao,Linbo Zhang,Dongdong Jiao,Guanjun Xu,Xue Deng,Qi Zang,Honglei Yang,Ruifang Dong,Tao Liu,Shougang Zhang 한국광학회 2024 Current Optics and Photonics Vol.8 No.1
A fiber spool with ultra-low vibration sensitivity has been demonstrated for the ultra-narrowlinewidth fiber-stabilized laser by the multi-object orthogonal experimental design method, which can achieve the optimization object and analysis of influence levels without extensive computation. According to a test of 4 levels and 4 factors, an L 16 (4 4 ) orthogonal table is established to design orthogonal experiments. The vibration sensitivities along the axial and radial directions and the normalized sums of the vibration sensitivities are determined as single objects and comprehensive objects, respectively. We adopt the range analysis of object values to obtain the influence levels of the four design parameters on the single objects and the comprehensive object. The optimal parameter combinations are determined by both methods of comprehensive balance and evaluation. Based on the corresponding fractional frequency stability of ultra-narrow-linewidth fiber-stabilized lasers, we obtain the final optimal parameter combination A3B1C2D1, which can achieve the fiber spool with vibration sensitivities of 10 −12 /g magnitude. This work is the first time to use an orthogonal experimental design method to optimize the vibration sensitivities of fiber spools, providing an approach to design the fiber spool with ultra-low vibration sensitivity.
Stable Amorphous Bis(diarylamino)biphenyl Derivatives as Hole-Transporting Materials in OLEDs
Zhanfeng Li,Zhaoxin Wu,Wen Fu,Dongdong Wang,Peng Liu,Bo Jiao,Xiaoli Lei,Guijiang Zhou,Yuying Hao 대한금속·재료학회 2013 ELECTRONIC MATERIALS LETTERS Vol.9 No.5
Stable bis(diarylamino)biphenyl derivatives N4,N4'-di(biphenyl-4-yl)-N4,N4'-bis(2- methylbiphenyl-4-yl)biphenyl-4,4'-diamine (TPD-Ph) and N4,N4'-bis(2',4'-difluoro- 2-methylbiphenyl-4-yl)-N4,N4'-bis(2',4'-difluorobiphenyl-4-yl)biphenyl-4,4'-diamine (TPD-(2,4)-F) were synthesized and characterized. High thermal stability (Td ≥ 480°C and Tg ≥ 108°C) in combination with reversible oxidation process render the both promising candidates as hole-transporting materials for organic light-emitting devices. The device with structure of ITO/TPD-Ph/Alq3/LiF/Al presented the highest current efficiency of 4.2 cd A−1 and good operational stability even under the high current density of 350 mA cm−2, which outperformed TPD or NPB-based devices.