Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Tianzhuo Zhao"'
Autor:
Tianzhuo Zhao, Qixiu Zhong, Shuzhen Nie, XiaoLong Liu, Hong Xiao, Chenxuan Yin, Fanghui Zhong, Yachen Ke, Fei Li
Publikováno v:
Advanced Photonics Research, Vol 5, Iss 7, Pp n/a-n/a (2024)
Plasma fluctuations, the uncertainty of laser ablation, and bremsstrahlung limit the identification of online element analysis during laser processing and cause difficulty in achieving concentration results with sufficient accuracy and repeatability.
Externí odkaz:
https://doaj.org/article/6969d528dad14eb38ec596219516a891
Publikováno v:
Micromachines, Vol 14, Iss 2, p 299 (2023)
Laser diode pumped solid-state lasers (DPSSLs) have been widely used in many fields, and their thermal effects have attracted more and more attention. The laser diode (LD) side-pumped amplifier, as a key component of DPSSLs, is necessary for effectiv
Externí odkaz:
https://doaj.org/article/e074e5646c7b4aa792d2f3df70cb8d22
Autor:
Hong Xiao, Tianzhuo Zhao, Wenqi Ge, Qixiu Zhong, Mingshan Li, Jiaqi Yu, Zhongwei Fan, Shengwei Bian, Yanzhong Chen
Publikováno v:
Crystals, Vol 9, Iss 4, p 201 (2019)
With improvements in light-emitting diode (LED) performance and a sharp decline in price, a light source with the irradiance of a laser and the cost of an LED is worthy of further study. We demonstrated a LED-pumped Nd:YVO4 laser in quasi-continuous-
Externí odkaz:
https://doaj.org/article/7ac1782a7ac2499883f0fe07020ba75a
Autor:
Jisi Qiu, Yutao Huang, Xiaochao Yan, Guo Guangyan, Zhongwei Fan, Weiran Lin, Zhijun Kang, Hongbo Zhang, Zhenao Bai, Tianzhuo Zhao
Publikováno v:
IEEE Journal of Quantum Electronics. 56:1-10
A high pulse energy and high beam quality Nd:YAG laser system with extremely high brightness of 105 PW/sr $\cdot $ cm2 is reported. The system is based on a master oscillator power amplifier scheme containing a Nd:YVO4 mode-locked oscillator, laser d
Autor:
Shuzhen Nie, Xiao Hong, Zhongwei Fan, Huang Wendi, Zhong Qixiu, Tianzhuo Zhao, Zhao Shenghai, Xin Li
Publikováno v:
Journal of Analytical Atomic Spectrometry. 35:2171-2178
This report proposes an iterative multi-energy calibration (IMEC) method for online alloy smelting process monitoring and describes its performance verification on online laser-induced breakdown spectroscopy (LIBS) monitoring equipment in application
Publikováno v:
Optics Communications. 402:551-556
A new approach to stabilizing the temperature of laser diode arrays for pumping is proposed and experimentally demonstrated. Experimental results show that when the pump center wavelengths of the two optical amplifiers are set to 804.0 nm and 810.5 n
Autor:
Shuzhen Nie, Zhongwei Fan, Lian Fuqiang, Tianzhuo Zhao, Mo Zeqiang, Xiao Hong, Wang Pu, Weiran Lin, Hongbo Zhang, Yang Liu, Zhong Qixiu, Li Xin
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 137:64-69
Laser-induced breakdown spectroscopy (LIBS) utilizing an echelle spectrograph-ICCD system is employed for on-line analysis of elements concentration in a vacuum induction melting workshop. Active temperature stabilization of echelle spectrometer is i
Correction method for the influence of environmental factors on laser-induced breakdown spectroscopy
Autor:
Tianzhuo Zhao, Yunfeng Ma, Xin Li, Xiao Hong, Zhong Qixiu, Shuzhen Nie, Guo Guangyan, Zhongwei Fan, Cheng Wang
Publikováno v:
Optics Letters. 46:5244
Environmental factors include sample temperature, ambient gas composition, and pressure, which have a significant impact on the accuracy and stability of the analysis results of laser-induced breakdown spectroscopy (LIBS). In this study, a method for
Publikováno v:
Optik. 244:167561
The absorption spectrum distribution of the gain medium and the emission spectrum of the pump light source are essential factors that affect the efficiency of light-emitting diode (LED) pump. The spectral bandwidth of the LED light source is usually
Autor:
Jisi Qiu, He Jianguo, Tianzhuo Zhao, Guo Guangyan, Zhongwei Fan, Zhijun Kang, Weiran Lin, Dan Jia, Yanzhong Chen
Publikováno v:
Optical Materials. 71:27-30
A full-aperture gain measurement obtained with the intensity ratio is presented for a diode-pumped ceramic slab laser amplifier. The small-signal gain profile of the amplifier is calculated by the ratio of pump-on and pump-off intensities. The distri