Low-Loss Coupling of Quantum Cascade Lasers into Hollow-Core Waveguides with Single-Mode Output in the 3.7–7.6 μm Spectral Range

Low-Loss Coupling of Quantum Cascade Lasers into Hollow-Core Waveguides with Single-Mode Output in the 3.7–7.6 μm Spectral Range

We demonstrated low-loss and single-mode laser beam delivery through hollow-core waveguides (HCWs) operating in the 3.7–7.6 μm spectral range. The employed HCWs have a circular cross section with a bore diameter of 200 μm and metallic/dielectric internal coatings deposited inside a glass capillary t...

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Bibliographic Details
Main Authors: Pietro Patimisco, Angelo Sampaolo, Laura Mihai, Marilena Giglio, Jason Kriesel, Dan Sporea, Gaetano Scamarcio, Frank K. Tittel, Vincenzo Spagnolo
Format: Article
Language:English
Published: MDPI AG 2016-04-01
Series:Sensors
Subjects:
single-mode output
hollow-core waveguide
quantum cascade laser
optical coupling
Online Access:http://www.mdpi.com/1424-8220/16/4/533

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