Zobrazeno 1 - 10
of 208
pro vyhledávání: '"Huanchu Chen"'
Publikováno v:
In Journal of Crystal Growth 2000 208(1):482-486
Publikováno v:
Journal of Applied Physics; 5/1/2005, Vol. 97 Issue 9, p094106, 4p, 2 Charts
Publikováno v:
In Journal of Crystal Growth 1999 204(3):405-407
Publikováno v:
In Journal of Crystal Growth 1999 203(1):168-172
Publikováno v:
Photosynthetica. 50:77-85
Competition plays an important role in the replacement of native species by alien plants. A greenhouse experiment was conducted to investigate whether the competition pattern of alien Robinia pseudoacacia L. and native Quercus acutissima Carr. is aff
Autor:
Huanchu Chen, Hao Tan, Jianguo Tian, Feng Zhou, Zhenxiang Cheng, Feng Song, Jing Su, Guangyin Zhang, Lin Han
Publikováno v:
Journal of Physics D: Applied Physics. 39:2094-2099
Optical parameters of NaY(WO4)2 crystals were calculated from absorption spectra with Judd–Ofelt theory. Intensive infrared-to-visible frequency upconversion has been discovered and investigated under a 974 nm CW laser diode excitation at room temp
Autor:
Feng Song, Jing Su, Jia Yang, Huanchu Chen, Hao Tan, Jianguo Tian, Guangyin Zhang, Lin Han, Zhenxiang Cheng
Publikováno v:
Optics Communications. 259:179-186
Using Czochralski (CZ) pulling method, an Er 3+ /Yb 3+ -codoped NaY(WO 4 ) 2 crystal was prepared. Absorption spectra, emission spectra and excitation spectra of this crystal were measured at room temperature. Some optical parameters, such as intensi
Autor:
Huanchu Chen, Dongmei Yang, Wenwu Cao, Changhong Yang, Minglei Zhao, Xiujie Yi, Guangpeng Ma, Jianru Han
Publikováno v:
Journal of Crystal Growth. 281:364-369
Lead-free piezoelectric single crystal of [Bi0.5(Na1−xKx)0.5]TiO3 (BNTKx) with size of 10×10×5 mm3 has been successfully grown by the self-flux method. The temperature dependence of dielectric constant was measured and the peak temperature of die
Autor:
Zhenxiang Chen, Kejian Yang, Lu Zhang, Shengzhi Zhao, Hongming Zhao, Lei Chen, Guiqiu Li, Huanchu Chen
Publikováno v:
Optical Materials. 27:481-486
A laser-diode pumped passively Q-switched new type crystal Nd 3+ :NaY(WO 4 ) 2 (known as Nd:NYW) laser with Cr 4+ :YAG saturable absorber has been realized. The dependence of pulse repetition rate, pulse energy, pulse width, and peak power on pump po
Autor:
Zhenxiang Cheng, Huanchu Chen, Hao Tan, Jing Su, Feng Song, Guangyin Zhang, Lin Han, Bo Fu, Jianguo Tian
Publikováno v:
Optics Communications. 241:455-463
Er 3+ ,Tm 3+ -codoped NaY(WO 4 ) 2 crystal was prepared by using Czochralski (CZ) pulling method. Absorption spectra, emission spectra and excitation spectra of this crystal were measured at room temperature. Such optical parameters as intensity para