High-Resolution Coherent Raman Spectroscopy of Methane and Intensity of CARS vs Pressure in Gases
We tried to combine the major advantages of the two CARS experimental methods used (with CW or pulsed lasers), that is to say a good linewidth and frequency stability and high power necessary to work at low pressure on weak Raman active lines.
KeywordsReference Cell Frequency Stability Partial Coherence Torr Pressure Strong Collision
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