title: Investigations of Ge-Te-AgI chalcogenide glass for far-infrared application.
abstract: A serious of tellurium based chalcogenide glass were prepared and investigated. As it being transparent nearly up to 25 μm and strong anti-hydrability, it becomes an optimized material for far-infrared application. Here, AgI was incorporated into the glasses acting as a glass modifier. With the help of AgI, a highest glass transition temperature, T(g) (151 °C) can be obtained. Detailed physics and chemic properties of the glasses were analyzed with DTA and XRD. The infrared optical transmission spectra were studied with the help of FTIR and Raman test. A purifying process was adopted to eliminate the affections of impurities in the tellurium glass. These serious of glasses are all high transparent in the 8-20 μm region, which fits for the applications of far-infrared optic imaging and sensing.
authors.affiliation: Laboratory of Infrared Material and Devices, College of Information Science and Engineering, Ningbo University, Ningbo 31521, China. xunsiwang@siom.ac.cn
authors.forename: Xunsi
authors.initials: X
authors.lastname: Wang
authors.forename: Qiuhua
authors.initials: Q
authors.lastname: Nie
authors.forename: Guoxiang
authors.initials: G
authors.lastname: Wang
authors.forename: Jie
authors.initials: J
authors.lastname: Sun
authors.forename: Baoan
authors.initials: B
authors.lastname: Song
authors.forename: Shixun
authors.initials: S
authors.lastname: Dai
authors.forename: Xianghua
authors.initials: X
authors.lastname: Zhang
authors.forename: Bruno
authors.initials: B
authors.lastname: Bureau
authors.forename: Catherine
authors.initials: C
authors.lastname: Boussard
authors.forename: Clément
authors.initials: C
authors.lastname: Conseil
authors.forename: Hongli
authors.initials: H
authors.lastname: Ma
mesh_terms: D018011:Chalcogens / Q000737:chemistry*; D005857:Germanium / Q000737:chemistry*; D005898:Glass / Q000737:chemistry*; D007454:Iodides / Q000737:chemistry*; D055620:Optical Phenomena; D055585:Physical Phenomena; D018030:Silver Compounds / Q000737:chemistry*; D017550:Spectroscopy, Fourier Transform Infrared / Q000379:methods*; D013059:Spectrum Analysis, Raman; D013691:Tellurium / Q000737:chemistry*; D013696:Temperature; D014961:X-Ray Diffraction
chemical_list: D018011:Chalcogens; D007454:Iodides; D018030:Silver Compounds; D005857:Germanium; C030584:silver iodide; D013691:Tellurium