Development of a saturated absorption spectroscopy setup at IGISOL for characterisation of Fabry-Pérot interferometers

Abstract

A saturated absorption spectroscopy setup was developed and optimised for the characterisation of a home-built and a commercial Fabry-Pérot interferometer (FPI). The free spectral range of these FPIs has been determined with reliable statistical and systematic errors. These FPIs will be used for accurate wavelength determination of broad-and narrowband pulsed Ti:Sapphire lasers used in resonance ionisation spectroscopy experiments.

Characterization of a pulsed injection-locked Ti:sapphire laser and its application to high resolution resonance ionization spectroscopy of copper

“…By scanning the piezo actuator over several free spectral ranges its movement could be approximated by a third order polynomial, which allows for accurate compensation of nonlinearities. The FSR of 0.998 604( 14) GHz of the FPI was calibrated using saturated absorption spectroscopy of Rubidium [14,30].…”