Nonlinear amplifying

Electrical transmission or interconnection systems – Anti-induction or coupling to other systems

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321 69R, H03F 704, G02F 139

Patent

active

039885933

ABSTRACT:
One or more lasers direct one or more beams of radiant energy upon a nonlinear crystal having a sequence of rotational twin planes parallel to each other and perpendicular to the incident beams to produce an output beam at predetermined frequency at relatively high power level that may be detected or used in a suitable utilization device. Preferably the twin planes in the crystal are separated from each other by uniform spacing related to the coherence length for the nonlinear process being employed so that the power enhancement is proportional to the number of twin planes squared.

REFERENCES:
patent: 3384433 (1968-05-01), Bloembergen
patent: 3407309 (1968-10-01), Miller
patent: 3842289 (1976-10-01), Yariv et al.
Tang et al., "IEEE Journal of Quantum Electronics," Jan. 1973, pp. 9-13.
Yacoby et al., "J. Applied Physics," July 1973, pp. 3180-3181.
VAN DER Ziel, "Applied Physics Letters," Jan. 15, 1975, pp. 60-61.

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