Potassium Faraday optical filter in line-center operation at 766 nm

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

doi:10.1117/12.401771

5 October 2000 Potassium Faraday optical filter in line-center operation at 766 nm

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

Proceedings Volume 4223, Instruments for Optics and Optoelectronic Inspection and Control; (2000) https://doi.org/10.1117/12.401771
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China

Abstract

In this paper we investigated potassium Faraday filter at 766 nm theoretically and experimentally. With a potassium cell of 0.01m in length in an axial magnetic field of 0.0815T, the line-center operation has been achieved. The calculated peak transmission has reached 83 percent with a FWHM bandwidth of only 1.5GHz, the measured FWHM bandwidth of the filter is 1.6GHz, which is in good agreement with the theoretical result.

Citation Download Citation

Xiaoling Jia, Yundong Zhang, Yong Bi, Qi L. Wang, and Zuguang Ma "Potassium Faraday optical filter in line-center operation at 766 nm", Proc. SPIE 4223, Instruments for Optics and Optoelectronic Inspection and Control, (5 October 2000); https://doi.org/10.1117/12.401771

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KEYWORDS

Potassium

Optical filters

Magnetism

Absorption

Chemical species

Digital signal processing

Signal processing

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