Open AccessMid-infrared optical properties of chalcogenide glasses within tin-antimony-selenium ternary system
Author(s) -
Ruiqiang Lin,
Feifei Chen,
Xiaoyu Zhang,
Yuewang Huang,
Baoan Song,
Shixun Dai,
Xianghua Zhang,
Wei Ji
Publication year - 2017
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.25.025674
Subject(s) - chalcogenide , materials science , antimony , refractive index , femtosecond , optics , infrared , selenide , optoelectronics , selenium , absorption (acoustics) , chalcogenide glass , tin , laser , physics , metallurgy , composite material
In this work, we investigated the mid-infrared (MIR) optical properties of selenide (Se-based) chalcogenide glasses (ChGs) within an As- and Ge-free system, namely the environment-friendly and low-cost tin-antimony-selenium (Sn-Sb-Se, SSS) ternary system, which has not been systematically studied to the best of our knowledge. As compared to ChGs within those conventional Se-based systems, SSS ChGs were found to exhibit extended infrared transmittance range as well as larger linear refractive index (n 0 ). Femtosecond Z-scan measurements show the presence of evident three-photon absorption from Urbach absorption of the SSS ChGs at MIR wavelength, which resonantly enhanced the nonlinear refractive behavior and resulted in large nonlinear refractive index (n 2 ).