Mode converters for converting a non-confining wave into a confi

Details Mode converters for converting a non-confining wave into a confi Mode converters for converting a non-confining wave into a confi

1978-12-27

1980-07-08

Corbin, John K.

350152, G02B 500

Patent

active

042114713

ABSTRACT:
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.

REFERENCES:
patent: 3439968 (1969-04-01), Hansen et al.
patent: 3892469 (1975-07-01), Lotspeich
patent: 3892470 (1975-07-01), Lotspeich
patent: 4175830 (1979-11-01), Marie

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