SEARCH Articles Figures Tables Double optical Double resonance Double resonance spectroscopy Microwave optical double resonance spectroscopy Microwave resonance Microwave resonator Microwave spectroscopy Microwave-optical double Microwave-optical double resonance Microwave-optical polarization Microwave-optical polarization spectroscopy Optical resonance Optical resonance spectroscopy Optical spectroscopy Polarization double Polarization optical Polarization optics Polarization spectroscopy Polarizing optical Resonant polarization