Method of making optical coupling device

Details Method of making optical coupling device Method of making optical coupling device

C - Chemistry, Metallurgy

03

B

C03B 9/325 (2006.01) C03B 23/07 (2006.01) C03B 23/09 (2006.01) G02B 6/255 (2006.01) H05B 31/04 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2395201

A method of making an optical device comprises the steps of providing a body of vitreous material that is generally tubular along an axis. A portion of the body is molded with external mold structure for forming a bulbous portion when the interior of the tube is pressurized. An axial portion is cut from the bulbous portion to form a first coupling device with first and second axially oriented openings. This method can produce optical coupling devices with excellent optical quality in an economical manner.

Le procédé de l'invention consiste à prendre un tube (62), à le placer dans un moule (80) et à faire fondre le tube (62). On insuffle (84) ensuite un gaz de façon à gonfler le tube pour qu'il épouse la forme du moule. Il se forme ainsi une zone bulbeuse (72). On coupe ensuite cette zone bulbeuse (72) de façon à réaliser le coupleur.

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