Progress in Nd3+ , Er3+ , and Yb3+ doped laser glasses at Shanghai Institute of Optics and Fine Mechanics

2017 ◽  
Vol 9 (1) ◽  
pp. 90-98 ◽  
Author(s):  
Liyan Zhang ◽  
Lili Hu ◽  
Shibin Jiang
Keyword(s):  
Shanghai Institute ◽  
Fine Mechanics

Recent progress in recombination X-ray laser research at Shanghai Institute of Optics and Fine Mechanics

1993 ◽  
Author(s):  
Zhizhan Xu ◽  
Pinzhong Fan ◽  
Li-Huang Lin ◽  
Yaolin Li ◽  
Xiaofang Wang ◽  
...  
Keyword(s):  
Recent Progress ◽  
X Ray ◽  
Shanghai Institute ◽  
Fine Mechanics

scholarly journals Research and development of new neodymium laser glasses

2017 ◽  
Vol 5 ◽  
Author(s):  
Dongbing He ◽  
Shuai Kang ◽  
Liyan Zhang ◽  
Lin Chen ◽  
Yajun Ding ◽  
...  
Keyword(s):  
Laser System ◽  
Phosphate Glasses ◽  
Neodymium Laser ◽  
Power Laser ◽  
Peak Emission Wavelength ◽  
High Power Laser System ◽  
Lower Thermal Expansion ◽  
Shock Resistance ◽  
Fine Mechanics ◽  
Peak Emission

This work presents a brief introduction on three kinds of newly developed $\text{Nd}^{3+}$ -doped laser glasses in Shanghai Institute of Optics and Fine Mechanics (SIOM), China. Two $\text{Nd}^{3+}$ -doped phosphate glasses with lower thermal expansion coefficient and thermal shock resistance 4 times higher than that of N31 glass are developed for laser processing. Nd:Silicate and Nd:Aluminate glasses with peak emission wavelength at 1061 and 1065 nm, effective emission bandwidth of 34 and 50 nm, respectively, are developed for Exawatt-class laser system application. Fluorophosphate glasses with low nonlinear refractive index ( $n_{2}=0.6{-}0.86$ ) and long fluorescence lifetime ( $430{-}510~\unicode[STIX]{x03BC}\text{s}$ ) are investigated for the purpose of decreasing B integral in high-power laser system. The properties of all these glasses are presented and compared with those of commercial neodymium laser glasses.

Heteroaromatics: The Zhou/Li Synthesis of Goniomitine

2017 ◽  
Author(s):  
Douglass F. Taber
Keyword(s):  
Organic Chemistry ◽  
Oxidative Cyclization ◽  
Silyl Ether ◽  
Keto Ester ◽  
Transfer Protein ◽  
Shanghai Institute ◽  
Lanzhou Institute ◽  
Institute Of Technology ◽  
The University ◽  
Technological University

Xin-Yan Wu of East China University of Science and Technology and Jun Yang of the Shanghai Institute of Organic Chemistry added (Tetrahedron Lett. 2014, 55, 4071) the Grignard reagent 1 to propargyl alcohol 2 to give an intermediate that could be bory­lated, then coupled under Pd catalysis with an anhydride, leading to the furan 3. Fuwei Li of the Lanzhou Institute of Chemical Physics constructed (Org. Lett. 2014, 16, 5992) the furan 6 by oxidizing the keto ester 4 in the presence of the enamide 5. Yuanhong Liu of the Shanghai Institute of Organic Chemistry prepared (Angew. Chem. Int. Ed. 2014, 53, 11596) the pyrrole 9 by reducing the azadiene 7 with the Negishi reagent, then adding the nitrile 8. Yefeng Tang of Tsinghua University found (Tetrahedron Lett. 2014, 55, 6455) that the Rh carbene derived from 11 could be added to an enol silyl ether 10 to give the pyrrole 12. Pazhamalai Anbarasan of the Indian Institute of Technology Madras reported (J. Org. Chem. 2014, 79, 8428) related results. Zheng Huang of the Shanghai Institute of Organic Chemistry established (Angew. Chem. Int. Ed. 2014, 53, 1390) a connection between substituted piperidines and pyridines by dehydrogenating 13 to 15, with 14 as the acceptor. Joseph P. A. Harrity of the University of Sheffield conceived (Chem. Eur. J. 2014, 20, 12889) the cascade assembly of the pyridine 18 by cycloaddition of 16 with 17 followed by Pd-catalyzed coupling. Teck-Peng Loh of Nanyang Technological University converted (Org. Lett. 2014, 16, 3432) the keto ester 19 into the azirine, then eliminated it to form an aza­triene that cyclized to the pyridine 20. En route to a cholesteryl ester transfer protein inhibitor, Zhengxu S. Han of Boehringer Ingelheim combined (Org. Lett. 2014, 16, 4142) 21 with 22 to give an intermediate that could be oxidized to 23. Magnus Rueping of RWTH Aachen used (Angew. Chem. Int. Ed. 2014, 53, 13264) an Ir photoredox catalyst in conjunction with a Pd catalyst to cyclize the enamine 24 to the indole 25. Yingming Yao and Yingsheng Zhao of Soochow University effected (Angew. Chem. Int. Ed. 2014, 53, 9884) oxidative cyclization of 26 to 27.

The AMS system at the Shanghai Institute of Nuclear Research

1990 ◽  
Vol 52 (3-4) ◽  
pp. 298-300 ◽  
Author(s):  
Lianfan Liu ◽  
Shugang Sheng ◽  
Houzhi Si ◽  
Weixi Yi ◽  
Xiaowu Cheng
Keyword(s):  
Nuclear Research ◽  
Shanghai Institute

Comparisons of Tunnel Greenhouse for the Carrying Snow Loading Capacity

2012 ◽  
Vol 170-173 ◽  
pp. 1731-1734
Author(s):  
De Fa Sun
Keyword(s):  
Carrying Capacity ◽  
Structure Design ◽  
East China ◽  
Loading Capacity ◽  
Equal Strength ◽  
Structure Scheme ◽  
Snow Loading ◽  
Fine Mechanics

Through the Comparisons of tunnel greenhouse for the carrying snow loading capacity under the different mode of transfer force, some conclusions are summed up: different mode of transfer force has much influence upon the carrying capacity under the same snow loading. The unite of structure scheme to whole-part should be thought much in the structure design for greenhouse according to the principle of equal strength. The results indicate that the structure of east-china type multi-span tunnel plastic greenhouse is rational, and has fine mechanics properties.

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