Real Time Control of Thermal Distortion During Pulsed Laser Welding of Optical Packages

[+] Author and Article Information
Musa Jouaneh

Department of Mechanical Engineering and Applied Mechanics, The University of Rhode Island, Kingston, RI 02881

Sabbir Rangwala

J. Manuf. Sci. Eng 118(3), 445-448 (Aug 01, 1996) (4 pages) doi:10.1115/1.2831052 History: Received March 01, 1994; Revised May 01, 1995; Online January 17, 2008


This paper investigates a method to compensate for thermal distortions which occur during pulsed laser welding of optical packages. A control strategy, based on the use of a fast response piezo-actuator to maintain relative alignment between the fiber and the laser in the critical time period after application of the laser pulse and before cooling of the weld nugget is described.

Copyright © 1996 by The American Society of Mechanical Engineers
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