Double-Resonance Polarization Spectroscopy of the Caesium — Dimer (CS2)
The application of Doppler-free polarization spectroscopy  to the investigation of complex molecular spectra has several definite advantages compared with other Doppler-free techniques. Besides its high resolution and extreme sensitivity this technique allows to distinguish between transitions with ∆J = 0 and P- or R-lines with ∆J = ±1. According to the polarization mode of the pump beam (circular or linear polarization), Q-lines in the polarization spectrum can be either suppressed or enhanced . This facilitates the assignment of dense spectra considerably.
KeywordsPump Beam Collision Induce Dissociation Pump Laser Double Resonance Polarization Spectrum
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