Nonlinear optical thin film

Details Nonlinear optical thin film Nonlinear optical thin film

1993-02-23

1995-03-28

Ryan, Patrick J.

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428212, 428328, 428434, 428457, 428688, 428689, 428697, 428700, 428701, 359329, 385122, B32B 516

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054015693

ABSTRACT:
A novel nonlinear optical thin film having a high .chi..sup.(3) value is provided wherein metal fine particles are uniformly dispersed in a ferroelectric or highly dielectric matrix and heat treated whereby the metal fine particles and matrix are improved in crystallinity. The excitation wavelength can be substantially changed by a choice of the heat treating conditions.
The crystallinity of the metal fine particles and matrix and .chi..sup.(3) value are improved by selecting a substrate used or changing the heat treating procedure and heat treating conditions. By forming a portion having a lower content of metal fine particles in a surface portion on an upper and/or lower side of the matrix, the excitation wavelength can be substantially changed and precisely adjusted.

REFERENCES:
patent: 5023139 (1991-06-01), Birnboim et al.
patent: 5198269 (1993-03-01), Swartz et al.
patent: 5234758 (1993-08-01), Olsen et al.
patent: 5253103 (1993-10-01), Boyd et al.
Basic Technologies For Future Industries, Proceedings of the Second Symposium On Photonics Materials, pp. 139-147, 1991.

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