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VOLUME 28 (1978) | ISSUE 4 | PAGE 246
Experimental determination of the fraction of the captured particles and of the excitation level in multiphonon excitation of molecules by infrared laser radiation
Simple experimental methods are proposed for the determination of the principal parameters, namely the fraction of the excited particles and the excitation level, of multiphoton absorption in an IR laser field. The dependences of these quantities on the frequency and energy density of the laser radiation are obtained for the first time ever.