Abstract
We report the successful fabrication of mid-infrared waveguides written in a gallium lanthanum sulphide (GLS) substrate via the ultrafast laser inscription technique. Single mode guiding at 2485 nm and 3850 nm is observed. Spectral broadening spanning 1500 nm (-15dB points) is demonstrated under 3850 nm excitation.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Equipment Design
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Fiber Optic Technology / instrumentation*
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Fiber Optic Technology / methods
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Gallium / chemistry
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Infrared Rays*
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Lanthanum / chemistry
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Lasers*
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Optical Fibers*
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Refractometry / methods
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Sulfides / chemistry
Substances
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Sulfides
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Lanthanum
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Gallium