: Near-infrared transitions between rotational levels across different vibrational states.
: Focuses on advanced techniques like laser cooling, trapping, and high-resolution spectroscopy. Academic Resources Atomic And Molecular Spectra Laser By Rajkumar Pdf
: Found in the far infrared or microwave regions, occurring only for heteronuclear molecules like HClcap H cap C l COcap C cap O Atomic And Molecular Spectra Laser By Rajkumar Pdf