Ultrafast transient grating in Barium Fluoride: efficient instantaneous optical switching, frequency conversion and simple logic operations on a femtosecond time scale

2001 ◽  
Author(s):  
R.P. Schmid ◽  
Th. Schneider ◽  
J. Reif
Keyword(s):  
Time Scale ◽  
Optical Switching ◽  
Frequency Conversion ◽  
Barium Fluoride ◽  
Switching Frequency ◽  
Transient Grating ◽  
Simple Logic ◽  
Logic Operations ◽  
Femtosecond Time Scale

Sub-100 femtosecond time scale spin dynamics in epitaxial Fe3O4 thin film

2021 ◽  
pp. 151456
Author(s):  
Xianyang Lu ◽  
Guanqi Li ◽  
Yuting Gong ◽  
Xuezhong Ruan ◽  
Yu Yan ◽  
...  
Keyword(s):  
Thin Film ◽  
Time Scale ◽  
Spin Dynamics ◽  
Fe3o4 Thin Film ◽  
Femtosecond Time Scale

A Proposed Categorization Method and Category Domain Inequality Development Procedure for Ground Joints of Five Bar Linkages

1998 ◽  
Author(s):  
Chuen-Sen Lin ◽  
Terry Lee ◽  
Bao-Ping Jia
Keyword(s):  
Computer Program ◽  
Single Loop ◽  
Loop Equation ◽  
Development Procedure ◽  
Five Dimension ◽  
Simple Logic ◽  
Logic Operations ◽  
Definition Of ◽  
Dimension Space ◽  
The Given

Abstract This paper presents a method for the development of sets of symbolic inequalities in terms of link lengths for the prediction of the rotation capabilities of ground joints of single-loop five-bar linkages. The inequalities are obtained from the combination of the loop equation of a five-bar linkage and its derivatives and the application of simple logic operations. The rotation capabilities of ground joints are divided into three categories: the incomplete-rotation ground joints, the conditioned complete-rotation ground joints, and the unconditioned complete-rotation ground joints. The derived sets of inequalities define the domain, in a five-dimension space of the five link lengths, for each of the rotation categories. In this paper, the definition of each category is clearly described and the derivations of sets of inequalities are explained in details. A computer program was constructed to examine the completeness and correctness of the categorization method and to analyze the given five-bar linkages to determine the appropriate categories for their ground joints.

Coulomb quantum kinetics and optical dephasing on the femtosecond time scale

1994 ◽  
Vol 50 (3) ◽  
pp. 1541-1550 ◽  
Author(s):  
K. El Sayed ◽  
L. Bányai ◽  
H. Haug
Keyword(s):  
Time Scale ◽  
Quantum Kinetics ◽  
Femtosecond Time Scale ◽  
Optical Dephasing
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