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2006
Journal Article
Titel
Efficient frequency doubling in femtosecond laser - written waveguides in lithium niobate
Abstract
Optical waveguides in lithium niobate have been fabricated with a femtosecond laser. Different types of modifications depending on the laser parameters were observed and discussed. In these waveguides, frequency doubling of 1064 nm radiation was demonstrated utilizing birefringent phase matching. A conversion efficiency of 49% was obtained in a 9.3 mm long sample.