Method of making an internally-doped tube of transparent glass,

Details Method of making an internally-doped tube of transparent glass, Method of making an internally-doped tube of transparent glass,

1988-10-14

1990-08-28

Schor, Kenneth M.

Glass manufacturing

Press molding machine

Plunger coacting with successively presented molds

65 311, 65 3013, 65 602, C03B 37014, C03B 37018

Patent

active

049522256

ABSTRACT:
A mist is formed by an ultrasonic generator (5) from a liquid solution containing a dopant, and the mist is inserted into the tube blank to be doped (4) by means of a flexible pipe (2) in order to deposit microdrops on the inside surface of said tube blank. The flexible pipe is withdrawn progressively so that deposition takes place along the entire length of the tube blank. The deposit is dried and a new layer of glass is deposited thereon. The dopant from the deposit is heat diffused into the glass of the tube blank and of the new layer of glass. The invention is particularly applicable to fabricaitng rare-earth-doped silica preforms for the purpose of drawing optical fibers that can be used to constitute lasers or sensors.

REFERENCES:
patent: 4165224 (1979-08-01), Erven et al.
patent: 4312653 (1982-01-01), Schneider et al.
patent: 4414164 (1983-11-01), Roba et al.
patent: 4518407 (1985-05-01), Black et al.
patent: 4848998 (1989-07-01), Snitzer et al.
patent: 4859222 (1989-08-01), Bauch et al.

Affiliated with

Also associated with

Rating

Method of making an internally-doped tube of transparent glass, does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of making an internally-doped tube of transparent glass, , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making an internally-doped tube of transparent glass, will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1587486