Potassium Faraday optical filter in line-center operation at 770 nm

Xiaoling Jia; Yundong Zhang; Yong Bi; Zuguang Ma; Qi L. Wang

doi:10.1117/12.430775

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20 June 2001 Potassium Faraday optical filter in line-center operation at 770 nm

Xiaoling Jia, Yundong Zhang, Yong Bi, Zuguang Ma, Qi L. Wang

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Proceedings Volume 4272, Free-Space Laser Communication Technologies XIII; (2001) https://doi.org/10.1117/12.430775
Event: Photonics West 2001 - LASE, 2001, San Jose, CA, United States

Abstract

In this paper we investigated potassium Faraday filter at 770 nm theoretically and experimentally. With a potassium cell of 0.01 m in length in an axial magnetic field of 0.0815T, line-center operation has been achieved. The calculated peak transmission has reached 93% with a FWHM bandwidth of only 1.6 GHz, the measured FWHM bandwidth of the filter is 2.2 GHz, which is in detail agreement with the theoretical result.

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Xiaoling Jia, Yundong Zhang, Yong Bi, Zuguang Ma, and Qi L. Wang "Potassium Faraday optical filter in line-center operation at 770 nm", Proc. SPIE 4272, Free-Space Laser Communication Technologies XIII, (20 June 2001); https://doi.org/10.1117/12.430775

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