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Abstract <p>Using laser radiation with a wavelength of 852 nm, which is in resonance with Cs&#xa0;atoms, the bright laser-induced fluorescence (LIF) on the blue lines of 456 and 459 nm (transitions 6<i>S</i><sub>1/2</sub> → 7<i>P</i><sub>3/2</sub> and 6<i>S</i><sub>1/2</sub> → 7 <i>P</i><sub>1/2</sub>) was studied by the transition 6<i>S</i><sub>1/2</sub> → 6<i>P</i><sub>3/2</sub>. A 1 cm long T-shaped sapphire cell containing Cs atomic vapors was used. The LIF power was investigated as a function of the cell temperature. A linear dependence of the LIF power on the pump radiation was observed. The LIF reached a maximum at 100°C. It is shown that the Cs cell can serve as an effective optical up-converter filter of radiation with a wavelength of 852 nm to radiation with a wavelength of 456 nm.</p>

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Laser Induced Blue Fluorescence in Cs Atomic Vapor Caused by 852 nm Radiation

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • A. D. Sargsyan,
  • D.H. Sarkisyan

摘要

Abstract

Using laser radiation with a wavelength of 852 nm, which is in resonance with Cs atoms, the bright laser-induced fluorescence (LIF) on the blue lines of 456 and 459 nm (transitions 6S1/2 → 7P3/2 and 6S1/2 → 7 P1/2) was studied by the transition 6S1/2 → 6P3/2. A 1 cm long T-shaped sapphire cell containing Cs atomic vapors was used. The LIF power was investigated as a function of the cell temperature. A linear dependence of the LIF power on the pump radiation was observed. The LIF reached a maximum at 100°C. It is shown that the Cs cell can serve as an effective optical up-converter filter of radiation with a wavelength of 852 nm to radiation with a wavelength of 456 nm.