Method of increasing the strength of silicate glass laser rods

Details Method of increasing the strength of silicate glass laser rods Method of increasing the strength of silicate glass laser rods

1975-02-04

1976-09-28

Bashore, S. Leon

Glass manufacturing

Processes

With chemically reactive treatment of glass preform

65 61, C03C 1500, C03C 1900

Patent

active

039829170

ABSTRACT:
Glass laser rods are treated and strengthened by a method which produces a ardened surface that protects the laser rods from physical abrasion, prevents failure due to thermal shock, and removes flaws while not interfering with light pumping through the sides of the treated rods. The method includes subjecting the prepared glass laser rods to an acid polishing procedure which employs an acid polishing solution comprised of equal parts of concentrated hydrofluoric and concentrated nitric acid.

REFERENCES:
patent: 3023139 (1962-02-01), Van Tetterupe
patent: 3171768 (1963-03-01), Levengood
patent: 3301649 (1967-11-01), Marusak
patent: 3647583 (1972-03-01), De Rouw
patent: 3687799 (1972-08-01), Spanoudis
patent: 3779732 (1973-12-01), Spanoudis
patent: 3843472 (1974-10-01), Toussaint et al.

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