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MODE CONVERTER FOR CHANGING UNCONFINED WAVES OF FAR INFRARED RANGE INTO CONFINED WAVES
MODE CONVERTER FOR CHANGING UNCONFINED WAVES OF FAR INFRARED RANGE INTO CONFINED WAVES
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机译:用于将远红外范围的非限制波转换为限制波的模式转换器
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摘要
Laser device emitting a far infrared wave beam having a mode confining for charged particles. The laser devices of this kind generally emit circular polarized wave beams in which the phase shift of the radioelectric oscillation at a point having a given azimuth with respect to the beam axis is proportional to the azimuth. They comprise a quarter wave plate for converting a linear-polarized wave to a circular polarized wave and a non-confining to confining mode converter. The known converters use birefringent materials but there is no birefringent material available in the far infrared range. The present non-confining to confining mode converter uses dielectric parallel sided plates having a metal coated face forming a mirror.
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