Results 11 to 20 of about 9,356 (243)

Study of dielectric relaxation and thermally activated a.c. conduction in multicomponent Ge10−xSe60Te30Inx (0 ≤ x ≤ 6) chalcogenide glasses using CBH model

Results in Physics, 2019
Amorphous Ge10−xSe60Te30Inx (0 ≤ x ≤ 6) chalcogenide glasses were prepared by melt quench technique. Surface morphology with the chemical composition of the prepared glass was examined using SEM and EDS analysis respectively.
Pravin Kumar Singh, S.K. Sharma, S.K. Tripathi, D.K. Dwivedi   +3 more
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Surface-patterned chalcogenide glasses with high-aspect-ratio microstructures for long-wave infrared metalenses

Opto-Electronic Science
Multidimensional-engineering chalcogenide glasses is widely explored to construct various infrared photonic devices, with their surface as a key dimension for wavefront control.
Zhaofeng Gu, Yixiao Gao, Kongsi Zhou, Junyang Ge, Chen Xu, Lei Xu, Mohsen Rahmani, Ran Jiang, Yimin Chen, Zijun Liu, Chenjie Gu, Yaoguang Ma, Jianrong Qiu, Xiang Shen   +13 more
doaj   +3 more sources

Direct ultrafast laser written C-band waveguide amplifier in Er-doped chalcogenide glass [PDF]

, 2012
This paper reports the fabrication and characterization of an ultrafast laser written Er-doped chalcogenide glass buried waveguide amplifier; Er-doped GeGaS glass has been synthesized by the vacuum sealed melt quenching technique.
Asokan, Sundarrajan, Ayiriveetil, Arunbabu, Beecher, Stephen J., Kar, Ajoy Kumar, Sabapathy, Tamilarasan   +4 more
core   +1 more source

(INVITED) Methods for determining the refractive indices and thermo-optic coefficients of chalcogenide glasses at MIR wavelengths

Optical Materials: X, 2019
Chalcogenide glasses have attracted much attention for the realization of photonic components owing to their outstanding optical properties in the mid-infrared (MIR) region. However, relatively few refractive index dispersion data are presently available
Y. Fang, D. Furniss, D. Jayasuriya, H. Parnell, Z.Q. Tang, D. Gibson, S. Bayya, J. Sanghera, A.B. Seddon, T.M. Benson   +9 more
doaj   +1 more source

Advances in infrared and imaging fibres for astronomical instrumentation [PDF]

, 2006
Optical fibres have already played a huge part in ground based astronomical instrumentation, however, with the revolution in photonics currently taking place new fibre technologies and integrated optical devices are likely to have a profound impact on ...
Haynes, Roger, Jovanovic, Nemanja, Marcel, Jackie, McNamara, Pam   +3 more
core   +2 more sources

A Review of Mid-Infrared Supercontinuum Generation in Chalcogenide Glass Fibers

Applied Sciences, 2018
Chalcogenide glasses have the advantages of a wide transparency window (over 20 μm) and high optical nonlinearity (up to a thousand times greater than that of silica glasses), making them good candidates for mid-infrared supercontinuum generation.
Shixun Dai, Yingying Wang, Xuefeng Peng, Peiqing Zhang, Xunsi Wang, Yinsheng Xu   +5 more
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Local motifs in GeS$_2$-Ga$_2$S$_3$ glasses [PDF]

, 2016
The structure of (GeS$_2$)$_{0.75}$(Ga$_2$S$_3$)$_{0.25}$ and (GeS$_2$)$_{0.83}$(Ga$_2$S$_3$)$_{0.17}$ glasses was investigated by Raman scattering, high energy X-ray diffraction and extended X-ray absorption fine structure (EXAFS) measurements at the Ga
Belin, Stéphanie, Bureau, Bruno, Chahal, Radwan, Jóvári, Pál, Kaban, Ivan, Nazabal, Virginie, Pethes, Ildikó   +6 more
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Thermal Lensing and Laser-Induced Damage in Special Pure Chalcogenide Ge₃₅As₁₀S₅₅ and Ge₂₀As₂₂Se₅₈ Glasses under Quasi-CW Fiber Laser Irradiation at 1908 nm

Photonics, 2023
Special pure chalcogenide glass is the material of choice for many mid-infrared optical fibers and fiber lasers. In this paper, the thermo-optical lensing and laser-induced damage were studied in Ge35As10S55 and Ge20As22Se58 glasses and compared with the
Oleg Antipov, Anton Dobrynin, Yuri Getmanovskiy, Ella Karaksina, Vladimir Shiryaev, Maksim Sukhanov, Tatiana Kotereva   +6 more
doaj   +1 more source

Mid-infrared spectral broadening in an ultrafast laser inscribed gallium lanthanum sulphide waveguide [PDF]

, 2012
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.
Bookey, Henry T., Kar, Ajoy K., McCarthy, John E., Psaila, Nicholas D., Thomson, Robert R.   +4 more
core   +1 more source

Critical remark on the FSDP-related correlations in chalcogenide glasses as treated in the paper [Alekberov RI, Isayev AI, Mekhtiyeva SI, Fábián M. Local structures and optical properties of As-Se-Te(S) chalcogenide glasses. Phys B: Condens Matter 2018; 550: 367–375]

Results in Physics, 2019
In the paper [Phys. B 550 (2018) 367–375], Alekberov, Isayev, Mekhtiyeva and Fábián have performed very erroneous calculation on diameter of voids responsible for the first sharp diffraction peak (FSDP) in neutron diffraction patterns of As2Se3-based ...
O. Shpotyuk
doaj   +1 more source