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Journal Articles Optics Communications Year : 2007

Single beam interferometric angle measurement

Pierdomenico Paolino
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Ludovic Bellon


We present an application of a quadrature phase interferometer to the measurement of the angular position of a parallel laser beam with interferometric precision. In our experimental realization we reach a resolution of 6.8e-10 rad (1.4e-4 arcsec) for 1 kHz bandwidth in a 2e-2 rad (1 deg) range. This alternative to the optical lever technique features absolute calibration, independence of the sensitivity on the thermal drifts, and wide range of measurement at full accuracy.
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Dates and versions

ensl-00119346 , version 1 (08-12-2006)
ensl-00119346 , version 2 (27-06-2007)
ensl-00119346 , version 3 (16-10-2007)



Pierdomenico Paolino, Ludovic Bellon. Single beam interferometric angle measurement. Optics Communications, 2007, 280, pp.1-9. ⟨10.1016/j.optcom.2007.07.060⟩. ⟨ensl-00119346v3⟩
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