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

摘要

Abstract. We present an efficient laser welding assembling sequencenfor minimizing the misalignment from the postweld shift in butterfly pack-nages during fiber-to-semiconductor laser coupling. The misalignmentnfrom the postweld shift that arises during the welding of a nickel clip andnmetal ferrule can be compensated by an optimal initial shift prior tonNd:YAG laser welding and by a mechanical adjustment prior to the lasernhammering process. As a result, the number of laser hammering se-nquences required to compensate for misalignment are significantlynreduced. © 2010 Society of Photo-Optical Instrumentation Engineers.nu0001DOI: 10.1117/1.3286539