A narrow-bandwidth optical filter using diode-laser-pumped atomic Rb vapor has been demonstrated. Excellent rejection of off-resonant laser photons has been achieved. The measured detection bandwidth was 1.18 GHz at the Rb cell temperature of 150 degrees C, which shows a good agreement with the calculated detection bandwidth of 1.02 GHz. The quantum efficiency of the atomic Rb vapor laser-excited optical filter is linearly dependent on the diode laser pumping power.>

IEEE Journal of Quantum ElectronicsMay 1, 198810 citations

Investigation of optical pumping in an Rb87 vapor laser and its amplitude characteristics

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Optics & Laser Technology

Theoretical research of time dependent pulsed diode-pumped Rb vapor laser

Chunsheng Xia, Jinghua Huang, Chenyi Su, Xingqi Xu, Bailiang Pan

Published Sep 1, 2020• 4 citations

Publisher

DOI: 10.1016/j.optlastec.2020.106529

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The use of high-power ${\mathrm{Ga}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$

{\mathrm{Al}}_{\mathit{x}}

As diode laser arrays for optical pumping of Rb vapor has been examined both theoretically and experimentally. Our studies show that large atomic polarizations can be obtained using the broad spectral output of a diode laser array if the Rb resonance line is collisionally broadened by several atmospheres of a buffer gas. The objective was to study the effectiveness of diode laser arrays as light sources for optically pumped spin-exchange polarized

^{3}\mathrm{He}

targets. The average Rb polarization was deduced at three different Rb vapor pressures using the polarization induced in the

^{3}\mathrm{He}

buffer gas. The largest

^{3}\mathrm{He}

polarization observed was 53% using a 20-W diode array with 1.9-nm full width at half maximum spectral width in 10.5 amagat of

^{3}\mathrm{He}

. This result compares favorably with other light sources for this target. The measured average Rb polarizations are compared to theoretical calculations.