Process for producing buried wave guide device

Details Process for producing buried wave guide device Process for producing buried wave guide device

1991-09-27

1992-06-30

Schor, Kenneth M.

Glass manufacturing

Processes

With chemically reactive treatment of glass preform

65 314, 65116, C03C 2100

Patent

active

051259443

ABSTRACT:
A buried wave guide device is produced by immersing a phosphate glass containing exchangeable ions in a molten salt. Ions are exchanged from the phosphate glass to give a wave guide whose refractive index increases sharply from a first surface to a maximum at a depth below the first surface then decreases gradually in the direction of the opposite surface.

REFERENCES:
patent: 4756733 (1988-07-01), Houde-Walter et al.
patent: 4844724 (1989-07-01), Sakai et al.
Glass Science, Doremus, John Wiley & Son (1973), pp. 24-35.
Inorganic Glass Forming Systems by Rawson, Academic Press (1967) p. 163.

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