dorsal/arxiv
View SchemaDemonstration of an optical polarization magnifier with low birefringence
| Authors | Michel Lintz, Jocelyne Guena, Marie-Anne Bouchiat, Dominique Chauvat |
|---|---|
| Categories | |
| ArXiv ID | physics/0410044 |
| URL | https://arxiv.org/abs/physics/0410044 |
| DOI | 10.1063/1.1879292 |
| Journal | Review of Scientific Instruments 76 (2005) 043102 |
Abstract
In any polarimetric measurement technique, enhancing the laser polarization change of a laser beam before it reaches the analyzer can help in improving the sensitivity. This can be performed using an optical component having a large linear dichroism, the enhancement factor being equal to the square root of the ratio of the two transmission factors. A pile of parallel plates at Brewster incidence looks appropriate for realizing such a polarization magnifier. In this paper, we address the problem raised by the interference in the plates and between the plates, which affects the measurement by giving rise to birefringence. We demonstrate that wedged plates provide a convenient and efficient way to avoid this interference. We have implemented and characterized devices with 4 and 6 wedged plates at Brewster incidence which have led to a decisive improvement of the signal to noise ratio in our ongoing Parity Violation measurement.
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"abstract": "In any polarimetric measurement technique, enhancing the laser polarization\nchange of a laser beam before it reaches the analyzer can help in improving the\nsensitivity. This can be performed using an optical component having a large\nlinear dichroism, the enhancement factor being equal to the square root of the\nratio of the two transmission factors. A pile of parallel plates at Brewster\nincidence looks appropriate for realizing such a polarization magnifier. In\nthis paper, we address the problem raised by the interference in the plates and\nbetween the plates, which affects the measurement by giving rise to\nbirefringence. We demonstrate that wedged plates provide a convenient and\nefficient way to avoid this interference. We have implemented and characterized\ndevices with 4 and 6 wedged plates at Brewster incidence which have led to a\ndecisive improvement of the signal to noise ratio in our ongoing Parity\nViolation measurement.",
"arxiv_id": "physics/0410044",
"authors": [
"Michel Lintz",
"Jocelyne Guena",
"Marie-Anne Bouchiat",
"Dominique Chauvat"
],
"categories": [
"physics.optics"
],
"doi": "10.1063/1.1879292",
"journal_ref": "Review of Scientific Instruments 76 (2005) 043102",
"title": "Demonstration of an optical polarization magnifier with low birefringence",
"url": "https://arxiv.org/abs/physics/0410044"
},
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