Known as a unique optical filter, Faraday anomalous dispersion optical filter has prior advantages to provide hightransmission and high background noise rejection with excellent image quality. In this paper, we studied the temperaturecharacteristics of Faraday anomalous dispersion optical filter at Cs 852 nm transition. The transmitted spectrum iscarefully measured under different Cs cell temperatures (39°C–57°C) and environment temperatures (23°C–26°C). Theresults could provide important reference for further research on Faraday laser, lidar remote sensing systems and imagingsystems.
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