Intracavity cascaded second order interaction in BBO for generation of efficient, widely tunable coherent radiation

2014 ◽  
Author(s):  
Shyamal Mondal ◽  
Satya Pratap Singh ◽  
Shouvik Mukherjee ◽  
Sourabh Mukhopadhyay ◽  
Prasanta Kumar Datta
Keyword(s):  
Coherent Radiation ◽  
Second Order ◽  
Order Interaction ◽  
Tunable Coherent Radiation

TUNABLE COHERENT RADIATION FROM TERAHERTZ TO MICROWAVE BY MIXING TWO INFRARED FREQUENCIES IN A 47-MM-LONG GaSe CRYSTAL

2006 ◽  
Vol 16 (02) ◽  
pp. 589-595 ◽  
Author(s):  
WEI SHI ◽  
YUJIE J. DING
Keyword(s):  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Peak Power ◽  
Power Conversion ◽  
Coherent Radiation ◽  
Monochromatic Radiation ◽  
Frequency Tunability ◽  
Photon Conversion ◽  
Tunable Coherent Radiation ◽  
Infrared Frequencies

By mixing two infrared radiations near 1 μm in a 47-mm-long GaSe crystal, we efficiently generated a monochromatic radiation which has frequency tunability from 4.51 THz down to 53 GHz. The highest peak power produced by us is 389 W at 203 μm (1.48 THz), which corresponds to the photon conversion efficiency of 19% (the power conversion efficiency of 0.098%).

Thermodynamics of Aluminum Deoxidization Equilibria in GCr18Mo Bearing-Steel

2018 ◽  
Vol 382 ◽  
pp. 80-85 ◽  
Author(s):  
Xin Su ◽  
Shu Qiang Guo ◽  
Meng Ran Qiao ◽  
Hong Yan Zheng ◽  
Li Bin Qin
Keyword(s):  
Bearing Steel ◽  
Second Order ◽  
The Other ◽  
Interaction Parameters ◽  
Interaction Coefficients ◽  
Concentration Region ◽  
Order Interaction ◽  
First Order ◽  
The Relationship ◽  
Reaction Equilibrium

Based on the predecessors of thermodynamic data, the relationship between aluminum contents and oxygen contents of the aluminum deoxidization reaction was calculated. And the influence of activity coefficient to the reaction equilibrium in bearing-steel is analyzed. First-order and second-order interaction coefficients were used to calculate and draw the equilibrium curves, respectively. The effects of different temperature and different interaction parameters on the deoxidization equilibrium curves were studied. And through the curve the influence of the change of aluminum contents to the activity can be known. The trend of the curve with first-order interaction parameters is consistent with the curve with first-order and second-order interaction parameters at the low Al concentration region. And the oxygen contents of curve with first-order interaction parameters are higher than the other curve at the high Al concentration region

scholarly journals Polarizable simulations with second order interaction model (POSSIM) force field: Developing parameters for protein side-chain analogues

2013 ◽  
Vol 34 (14) ◽  
pp. 1241-1250 ◽  
Author(s):  
Xinbi Li ◽  
Sergei Y. Ponomarev ◽  
Qina Sa ◽  
Daniel L. Sigalovsky ◽  
George A. Kaminski
Keyword(s):  
Force Field ◽  
Interaction Model ◽  
Second Order ◽  
Side Chain ◽  
Order Interaction
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