457-nm radiation source based on a diode laser for precision spectroscopy of magnesium atoms

A. N. Goncharov, V. I. Baraulya, A. E. Bonert, M. A. Tropnikov

Research output: Contribution to journalArticlepeer-review

Abstract

We report on the development of a highly stable source of 457-nm radiation based on a diode laser and a tapered amplifier operating in a double-pass scheme. The diode laser frequency was stabilised by a high-Q reference Fabry - Perot interferometer and doubled in a PPSLT nonlinear crystal placed in an enhancement cavity. At a maximum output power of 200 mW at a wavelength of 457 nm, the laser linewidth was less than 5 kHz. The radiation source operation was demonstrated in experiments on precision spectroscopy of cold magnesium atoms in a magneto-optical trap.

Original languageEnglish
Pages (from-to)272-276
Number of pages5
JournalQuantum Electronics
Volume50
Issue number3
DOIs
Publication statusPublished - 1 Mar 2020

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