Faraday dichroic beam splitter for Raman light using an isotopically pure alkali-metal-vapor cell

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58

作者:

RP AbelU KrohnP SiddonsIG HughesCS Adams

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摘要:

We present an application of the Faraday effect to produce a narrowband dichroic beam splitter using an alkali metal vapor. Two Raman beams detuned in frequency by the ground-state hyperfine splitting in (87)Rb are produced using an electro-optic modulator and then separated using the Faraday effect in an isotopically pure (85)Rb thermal vapor. An experimental transmission spectra for the beam splitter is presented along with a theoretical calculation. The performance of the beam splitter is then demonstrated and characterized using a Fabry-Perot etalon. For a temperature of 70 degrees C and a longitudinal magnetic field of 80 G, a suppression of one frequency of 18 dB is achieved, limited by the quality of the polarizers.

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DOI:

10.1364/OL.34.003071

被引量:

39

年份:

2009

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来源期刊

Optics Letters
2009-10-15

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2011
被引量:6

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