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Signal-to-noise optimization in polarimetry |
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| Authors: | Yeung E S |
| Institution: | Department of Chemistry and Ames Laboratory, Iowa State University, Ames, Iowa 50011, U.S.A. |
| Abstract: | The signal-to-noise ratio of a polarimeter is considered for cases which include flicker noise. It is found that using good quality polarizers is essential for detecting small rotations. A high-intensity light-source is also desirable, provided that the intensity can be stabilized. The predicted detectability of 2.8 × 10−7 degree with current instruments agrees with previously published experimental results. |
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