A non-linear spectroscopic study of the HDO molecule is performed in the wavelength range
of 1.36–1.42 μm using noise-immune cavity-enhanced optical-heterodyne molecular …

Precise rest frequencies for the first four rotational transitions of 13 CO have been measured
in the laboratory using the Lamb-dip technique with an accuracy better than 1 kHz. Taking …

Hyperfine structure of H₂¹⁶O and H₂¹⁸O
measured by Lamb-dip technique in the 180-560 GHz frequency range КОРЗИНА ПОИСК …

A novel method of Lorentz distribution solution (LDS) from overlapped absorbance profile in
time domain (incomplete absorbance profile in frequency domain) based on the direct …

We report on a global crossover saturated-absorption spectroscopy (SAS) of Cs D 2
transition using a dual-frequency laser field with a frequency difference of less than the …

A theoretical model based on rate equations of a four-level atom with a common ground
level and three closely spaced upper levels interacting with a standing wave has been …

The interaction of a four-level atomic system with two electromagnetic radiations has been
studied. The two intermediate levels are closely spaced such that a single radiation …

This research focused on conducting high-resolution spectroscopy on water and deuteride
hydrogen molecules, with a particular emphasis on measuring various isotopologues. The …

We present a study of the saturated-absorption spectroscopy with crossover resonances
involving both Cs hyperfine ground-state levels using a dual-frequency laser tuned to the Cs …

Pump-probe double resonance spectroscopy of Rb D2 transitions are reported for co and
counter propagating lasers with tunable frequencies. A perturbative analytical solution of the …