نتایج جستجو برای: Chalcogenide glass

تعداد نتایج: 73978  

2015
Vladimir S. Shiryaev

*Correspondence: Vladimir S. Shiryaev , G.G. Devyatykh Institute of Chemistry of High-Purity Substances of the Russian Academy of Sciences, 49 Tropinin Street, Nizhny Novgorod 603950, Russia e-mail: [email protected] The recent developments on chalcogenide glass hollow-core microstructured optical fibers (HC-MOFs) are presented. The comparative analysis of simulated optical properties for c...

2012
Ravindra Kumar Sharma

In this paper, we have proposed a novel structure of the fabrication of a chalcogenide As2Se3 glass photonic crystal fiber (PCF) with increased core diameter. As comparision with the normal PCFs in which silica glass is used as core material, the proposed PCF has following feature; firstly we have used the chalcogenide As2Se3 glass as core material in which the first ring area contains no air h...

Journal: :Optics express 2013
Tomas Kohoutek Jiri Orava A Lindsay Greer Hiroshi Fudouzi

We demonstrate, for the first time, time- and cost-effective replication of sub-micrometer features from a soft PDMS mold onto a bulk chalcogenide glass over a large surface area. A periodic array of sub-micrometer lines (diffraction grating) with period 625 nm, amplitude 45 nm and surface roughness 3 nm was imprinted onto the surface of the chalcogenide AsSe(2) bulk glass at temperature 225°C,...

Journal: :Optics express 2010
Gregor R Elliott G Senthil Murugan James S Wilkinson Michalis N Zervas Daniel W Hewak

Laser action has been demonstrated in chalcogenide glass microsphere. A sub millimeter neodymium-doped gallium lanthanum sulphide glass sphere was pumped at 808 nm with a laser diode and single and multimode laser action demonstrated at wavelengths between 1075 and 1086 nm. The gallium lanthanum sulphide family of glass offer higher thermal stability compared to other chalcogenide glasses, and ...

2014
Christos Markos Irnis Kubat Ole Bang

The combination of chalcogenide glasses with polymer photonic crystal fibers (PCFs) is a difficult and challenging task due to their different thermo-mechanical material properties. Here we report the first experimental realization of a hybrid polymer-chalcogenide PCF with integrated As2S3 glass nanofilms at the inner surface of the air-channels of a poly-methyl-methacrylate (PMMA) PCF. The int...

Journal: :Applied optics 2008
Quentin Coulombier Shaoqian Zhang Xianghua Zhang Bruno Bureau Jacques Lucas Catherine Boussard-Plédel Johan Trolès Laurent Calvez Hongli Ma Sébastien Maurugeon Erwan Guillevic

We demonstrate the possibility of fabricating an infrared transmitting waveguide by burying fiber in chalcogenide glasses. Two highly mature chalcogenide glasses are used for these experiments. GASIR glass from Umicore IR Glass, Olen, Belgium, with the composition of Ge(22)As(20)Se(58) is used to draw fibers that are then buried in an As(2)S(3) glass substrate. The glasses we used are compatibl...

Journal: :Optics express 2010
Juejun Hu Ning-Ning Feng Nathan Carlie Laeticia Petit Anu Agarwal Kathleen Richardson Lionel Kimerling

A thermal reflow technique is applied to high-index-contrast, sub-micron waveguides in As(2)S(3) chalcogenide glass to reduce the sidewall roughness and associated optical scattering loss. We show that the reflow process effectively decreases sidewall roughness of chalcogenide glass waveguides. A kinetic model is presented to quantitatively explain the sidewall roughness evolution during therma...

Journal: :Optics express 2010
Nathan Carlie J David Musgraves Bogdan Zdyrko Igor Luzinov Juejun Hu Vivek Singh Anu Agarwal Lionel C Kimerling Antonio Canciamilla Francesco Morichetti Andrea Melloni Kathleen Richardson

In this paper, attributes of chalcogenide glass (ChG) based integrated devices are discussed in detail, including origins of optical loss and processing steps used to reduce their contributions to optical component performance. Specifically, efforts to reduce loss and tailor optical characteristics of planar devices utilizing solution-based glass processing and thermal reflow techniques are pre...

Journal: :Optics express 2009
Michael Galili Jing Xu Hans C H Mulvad Leif K Oxenløwe Anders T Clausen Palle Jeppesen Barry Luther-Davis Steve Madden Andrei Rode Duk-Yong Choi Mark Pelusi Feng Luan Benjamin J Eggleton

We report the first demonstration of error-free 640 Gbit/s demultiplexing using the Kerr non-linearity of an only 5 cm long chalcogenide glass waveguide chip. Our approach exploits four-wave mixing by the instantaneous nonlinear response of chalcogenide. Excellent performance is achieved with only 2 dB average power penalty and no indication of error-floor. Characterisation of the FWM efficienc...

Journal: :Journal of physics. Condensed matter : an Institute of Physics journal 2010
Matthieu Micoulaut

A low temperature Monte Carlo dynamics of a Keating-like oscillator model is used to study the relationship between the nature of network glasses from the viewpoint of rigidity, the thermal reversibility during the glass transition and the strong-fragile behaviour of glass-forming liquids. The model shows that a Phillips optimal glass formation with minimal enthalpic changes is obtained under a...

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