Laser Applications

Experimental investigation of laser welding assembling sequences for butterfly laser module packages

[+] Author Affiliations
Jeong Hwan Song

Tyndall National Institute,Integrated Photonics Group, Lee Maltings, Prospect Row, Cork, Ireland

Brendan Roycroft

Tyndall National Institute,III-V Group, Lee Maltings, Prospect Row, Cork, Ireland

Brian Corbett

Tyndall National Institute,III-V Group, Lee Maltings, Prospect Row, Cork, Ireland

Frank H. Peters

Tyndall National Institute,Integrated Photonics Group, Lee Maltings, Prospect Row, Cork, Ireland and University College Cork,Physics Department, Cork, Ireland

Opt. Eng. 49(1), 014301 (January 13, 2010). doi:10.1117/1.3286539
History: Received June 15, 2009; Revised October 29, 2009; Accepted November 17, 2009; Published January 13, 2010; Online January 13, 2010
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We present an efficient laser welding assembling sequence for minimizing the misalignment from the postweld shift in butterfly packages during fiber-to-semiconductor laser coupling. The misalignment from the postweld shift that arises during the welding of a nickel clip and metal ferrule can be compensated by an optimal initial shift prior to Nd:YAG laser welding and by a mechanical adjustment prior to the laser hammering process. As a result, the number of laser hammering sequences required to compensate for misalignment are significantly reduced.

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© 2010 Society of Photo-Optical Instrumentation Engineers

Citation

Jeong Hwan Song ; Brendan Roycroft ; Brian Corbett and Frank H. Peters
"Experimental investigation of laser welding assembling sequences for butterfly laser module packages", Opt. Eng. 49(1), 014301 (January 13, 2010). ; http://dx.doi.org/10.1117/1.3286539


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