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C.T. Chen's main contribution
C.T. Chen's main research field is photoelectric functional crystal materials. The main research contents include: 1. Research on the structure and properties of crystal materials: 2. Molecular design of functional crystal materials: 3. Exploration and development of new nonlinear optical and electro-optical materials: 4. Testing of crystal optical properties and device design: 5. Application of nonlinear optical crystals.

C.T. Chen's "Anion Group Theory of Nonlinear Optical Effects of Crystals" has been highly praised in academic circles at home and abroad, and gradually accepted by scientists in the same field at home and abroad, and successfully used to guide the exploration and research of new nonlinear optical materials. His research team and collaborators have successively invented nonlinear optical crystals BBO and LBO, which are known as "China brand crystals".

In 2007, C.T. Chen cooperated with relevant research groups to realize the 4th and 5th harmonic output of Ti: sapphire laser (200 nm- 170.0 nm) and the 6th harmonic output of Nd:YVO4 laser (177.3nm) for the first time in the world, and obtained the average power output of 14mW. The 6th frequency doubling source of Nd:YVO4 _ 4 laser has been successfully applied to ultra-high resolution photoelectron spectrometer, and the superconducting energy gap of superconducting superconductors is directly observed for the first time. According to the data of China Institute of Science and Technology Information and National Institute of Digitalization of Engineering Technology: 1998-2002, C.T. Chen * * * trained two students to obtain postdoctoral degrees and four students to obtain doctoral degrees. The basic situation is as follows:

Wang Guofu degree category: postdoctoral; Date of conferring degree: 065438+April 0, 2002; Degree awarding unit: Institute of Physics, Chinese Academy of Sciences; Thesis title: Study on crystal growth technology of YVO _ 4 and Nd YVO _ 4

Jie Jiang degree category: postdoctoral; Date of conferring degree:1999-03-01; Degree awarding unit: Fujian Institute of Structure; Thesis title: the measurement of frequency doubling coefficient and theoretical calculation of effective frequency doubling coefficient of new nonlinear optical crystals GdCOB and YCOB.

Lin Zheshuai Degree Category: Doctor; Date of conferring degree: 20011101; Degree awarding unit: Fujian Institute of Structure; Thesis title: Theoretical study on the calculation of optical properties of nonlinear optical crystals.

Qihua degree category: doctor; Date of conferring degree: 20065438+0 065438+0; Degree awarding unit: Fujian Institute of Structure; Thesis title: Study on New Type Ultraviolet Nonlinear Optical Crystal SBBO Compounds.

Wu Xiquan Degree Category: Doctor; Date of conferring degree:11August 0999; Degree awarding unit: Fujian Institute of Structure; Thesis title: Growth of Barium Metaborate Crystals with Large Cross Section and Low Temperature Phase.

Ye Ning Degree Category: Doctor; Date of conferring degree: 65438+August 099801; Degree awarding unit: Fujian Institute of Structure; Thesis title: Design and exploration of ultraviolet inorganic nonlinear optical crystal 1. Chen Chaoqun, Wu Yongchun, Jiang Yadong, Wu Benzhong, You Guangming, A New Nonlinear Optical Crystal: lib3o5, Journal of Optics. I am. b,。

2. Chen Chuantang, Wang Yanbo, Wu Baochang, Wu Jianchang, Zeng Wenlin, Yu Lihong, Design and Synthesis of Ultraviolet Transparent Nonlinear Optical Crystal Sr2Be2B2O7, Nature, 1995, vol. 373, pp. 322-324.

3. Chen Zhengtai, Lu Zhenhui, T. Togashi, T. Suganuma, T. Sekikawa, S. Watanabe, Z-Y. Xu, J-Y. Wang. Jean. 27(8), 637-639(2002)

4. Chen Zhendong, Jin Jingzheng, Wang Xiaoyan, Zhu and Katsuaki Watanabe. Paragraph 33(3), 282-284 (2008)

5. Huang Hongwei, Yao Jianyu, Lin Zhisheng, Wang Xiaoyan, He Ruijie, Yao Wenjie, Zhai Naixin, Chen Chuntao *, NaSr3Be3B3O9F4: A promising nonlinear optical material in deep ultraviolet [Be3B3O 12F] 10? Anionic group. Chemistry. The contents are edited by … 2011,50,9141–9144.