Light-conducting glass structures

Details Light-conducting glass structures Light-conducting glass structures

1971-05-26

1976-03-02

Rubin, David H.

350 96R, 350175GN, 65 30E, G02B 514

Patent

active

039414744

ABSTRACT:
By heat treating a glass member containing at least one kind of cation to constitute a modifying oxide in contact with a source of another kind of cation to cause ion substitution, a light-conducting glass structure can be produced to have a refractive index distribution wherein the index varies progressively transversely to the intended light path, which is thereby bent toward the direction of increase of the index, such a light-conducting glass structure is not accompanied by differences or lagging of phase velocities of conducted light rays, spreading of the light flux width, and reflection losses.

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patent: 3083123 (1963-03-01), Navias
patent: 3320114 (1967-05-01), Schulz
patent: 3434774 (1969-03-01), Miller
patent: 3486808 (1969-12-01), Hamblen
patent: 3563057 (1971-02-01), Rosenbauer
patent: 3614197 (1971-10-01), Nishizawa et al.
patent: 3647406 (1972-03-01), Fisher
miller, article in Bell System Technical Journal, Vol. 44, No. 9, Nov. 1965, pp. 2017-2030.
Wood, Physical Optics, 2nd edition, 1911, pp. 86-91.
Kawakami et al., article in Proceedings of the IEEE, Dec. 1965, pp. 2148 and 2149.

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