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Device for emission of polarized light and its detection having a polarizer with brewster's angle to produce polarization state in deflected light
Device for emission of polarized light and its detection having a polarizer with brewster's angle to produce polarization state in deflected light
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机译:用于发射偏振光的装置及其检测,其具有带有布鲁斯特角的偏振器以在偏转的光中产生偏振态
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摘要
A device for emission of polarized light and its detection including a light emitter configured to generate an outgoing light beam directed along an optical emission axis, a light receiver configured to detect an incoming light beam directed along an optical detection axis, and a polarization unit positioned in the optical emission axis and optical detection axis and configured to polarize the outgoing light beam and the incoming light beam. To allow a compact assembly, the device, by reducing the number of its constituent parts and by providing a good detection reliability of the device, the optical emission axis and the optical detection axis are angled with respect to one another such that they include an intersection point and the polarization unit includes a polarizer configured to deflect light from at least one of the incoming light beam towards the optical detection axis and the outgoing light beam away from the optical emission axis, the deflected light being defined by a polarization state produced by the polarizer.
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