Optical frequency conversion using nondegenerate four-wave mixing in broad-area angled grating (/spl alpha/-DFB) lasers

2000 ◽  
Author(s):  
A.J. Ruggiero ◽  
J.D. Cooke ◽  
B.P. Ratowsky
Keyword(s):  
Frequency Conversion ◽  
Four Wave Mixing ◽  
Optical Frequency ◽  
Wave Mixing ◽  
Broad Area ◽  
Optical Frequency Conversion

Coherent Four-Wave Mixing in a Laser-Preproduced Plasma: Optical Frequency Conversion and Two-Dimensional Mapping of Atoms And Ions

1997 ◽  
Vol 06 (04) ◽  
pp. 387-410 ◽  
Author(s):  
A. B. Fedotov ◽  
N. I. Koroteev ◽  
A. N. Naumov ◽  
D. A. Sidorov-Biryukov ◽  
A. M. Zheltikov
Keyword(s):  
Frequency Conversion ◽  
Optical Breakdown ◽  
Four Wave Mixing ◽  
Wave Mixing ◽  
Two Dimensional ◽  
Optical Frequency Conversion ◽  
Laser Produced Plasma ◽  
Wavelength Radiation ◽  
Ionic States ◽  
Dimensional Mapping

We discuss applications of coherent four-wave mixing in the plasma of optical breakdown produced by an additional laser pulse (laser-preproduced plasma) for the generation of short-wavelength radiation and the investigation of spatial distribution of atoms and ions. The use of an additional laser for the generation of laser-produced plasma on the surface of a metal target makes it possible to optimize the efficiency of frequency conversion and to implement plasma diagnostics at various stages of plasma expansion. An experimental technique based on hyper-Raman-resonant four-wave mixing is developed for two-dimensional mapping of relative populations of excited atomic and ionic states in laser-produced plasma.

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