Second harmonic generation element and a process for producing t

Details Second harmonic generation element and a process for producing t Second harmonic generation element and a process for producing t

1996-04-05

1998-04-07

Lee, John D.

Optical: systems and elements

Optical frequency converter

Dielectric optical waveguide type

252584, 359328, G02F 137

Patent

active

057371172

ABSTRACT:
A second harmonic generation element including a single crystal substrate having a fundamental composition of K.sub.3 Li.sub.2-2x (Nb.sub.1-y Ta.sub.y).sub.5+5z O.sub.15-x+12.5z and an optical waveguide made of an epitaxial film with a fundamental composition of K.sub.3 Li.sub.2-2a (Nb.sub.1-b Ta.sub.b).sub.5+5c O.sub.15-a+12.5c and refractive index different from that of the single crystal substrate, wherein:

REFERENCES:
patent: 4740265 (1988-04-01), Bierlein et al.
patent: 5581396 (1996-12-01), Kubota et al.
Japanese Journal of Applied Physics, vol. 33, No. 6A, Part 01, Jun. 1, 1994, pp. 3510-3513, XP000595748 Dae-Ho Toon et al.: "Growth and Characterization of K3LI2-XNB5+ X015+ 2XC Micro Single Crystals Formed by the MU-Pulling Down Method For Blue SHG Applications" *the whole document*.
Applied Physics Letters, vol. 68, No. 6, Feb. 5, 1996, pp. 744-746, XP000556111 Furukawa Y et al: "Growth and Characterization of K3Li2(TAXNB1-X)5015 Crystals For Blue Second-Harmonic-Generation Applications" *the whole document*.

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