Ultrafast laser inscribed waveguide lasers in Tm:CALGO with depressed-index cladding.
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DOI: 10.1364/oe.384258
Abstract: Depressed-index buried and surface channel waveguides (type III) are produced in a bulk 3.5 at.% Tm3+:CALGO crystal by femtosecond direct-laser-writing at kHz repetition rate. The waveguides are characterized by confocal microscopy and ยต-Raman spectroscopy. Under… read more here.
Keywords: laser inscribed; depressed index; laser; inscribed waveguide ... See more keywords