Abstract
This work is devoted to building-up of ultrahigh resolution cw-dye laser spectrometer system. This system used self-frequency-stabilized and temperature-compensated plano-confocal reference cavity. The one-way propagation is achieved using new construction of optical diode. The laser frequency selection and tuning is accomplished using Mach-Zehnder interferometer of free spectral range 42.5 GHz. In combination with computerized tunable radio frequency technique, this system is capable of a resolution of about ±1 KHz. Applications for measuring high lying, weakly occupied metastable states of free atoms (line 548.792 nm of V-51) are investigated to a high degree of accuracy. The results of the constants A and B of the hfs as measured by fluorescence spectroscopy show that A = 160.762 and B = -17.918, while the obtained results for the hfs constants A and B as measured by laser-RF double resonance technique give A = 160.9950 and B = -17.3358.
Highlights
In the last years, since the development of dye lasers, the atomic hyperfine structure for the elements of not closed 3d-levels was precisely investigated
The desired hfs investigation precision can be achieved if high frequency transitions are detected using laser spectroscopic methods. One of these methods is the ABMR-LIRF (Atomic Beam Magnetic Resonance detected by Laser-Induced Resonance Fluorescence) [3]
To demonstrate the narrow linewidth and estimate the low drift rate of the present dye laser spectrometer, we have investigated the hyperfine structure of one previously unknown high lying weakly occupied metastable states in an V-51 atomic beam
Summary
Since the development of dye lasers, the atomic hyperfine structure (hfs) for the elements of not closed 3d-levels was precisely investigated. The desired hfs investigation precision can be achieved if high frequency transitions are detected using laser spectroscopic methods. H. El-Kashef and polarization spectroscopy [4], different experimental investigations of the hyperfine structure of alkali atoms [5], atomic Cobalt spectrum [6], 135,137Ba [7], and Rubidium [8]. El-Kashef and polarization spectroscopy [4], different experimental investigations of the hyperfine structure of alkali atoms [5], atomic Cobalt spectrum [6], 135,137Ba [7], and Rubidium [8] This Work describes the design and performance of a stabilized dye laser spectrometer efficiently suitable for laser spectroscopic detection of high frequency transitions between hfs components of metastable states. The particular elements which are considered as candidates for such investigations are: Scandium, Titanium, Chromium, Manganese, Iron, Cobalt, Copper, Zinc, Iridium, Platinium, Gold, Thallium, Lead, Zirconium, Molybdenum, Ruthenium, Rhodium, Silver, Barium and others
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