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chalcogenide glass microphotonics stepping into the

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  • OSA Understanding aging in chalcogenide glass thin films

    Chalcogenide glass (ChG) thin films have a wide range of applications in planar photonics that rely on the stability of their optical properties. However most methods do not provide quantitative optical property data at sufficiently high resolution. We have employed a resonant cavity refractometry technique capable of detecting refractive index changes down to 10 #x22126 refractive index

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  • Chalcogenidesan overview ScienceDirect Topics

    A particular interest in silicon chalcogenide glasses containing Li 2 S Na 2 S or Ag 2 S lies in their ionic conductivity. 29 Si NMR has been used to monitor changes in the glass structures containing these additions and indicates that Ag shows the greatest tendency to form edge–sharing units followed by Li then Na (Pradel et al. 1995).

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  • WOA1Chalcogenide glass lens production method

    The present invention provides a production method for obtaining readily a chalcogenide glass lens having excellent transmittance in the infrared region. This production method has a step of extrusion forming a softened chalcogenide glass material (1) into a lens shape preferably fitting the chalcogenide glass material (1) inside a syringe (2) equipped with an extrusion nozzle (5) at the

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  • J. David MUSGRAVES Director of Research and Development

    Chalcogenide glass microphotonics Stepping into the spotlight. Article. Full-text available. May 2015 is an optical manufacturing process used to hot press optical glass into a specified

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  • Bendable glass devicesPhys

    Apr 27 2015 · The researchers used a single-step nanoimprinting method to directly mold chalcogenide glass films into device shapes. The process eliminates extra pattern-transfer steps.

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  • Bendable glass devices MIT News Massachusetts

    Apr 24 2015 · The researchers used a single-step nanoimprinting method to directly mold chalcogenide glass films into device shapes. The process eliminates extra pattern-transfer steps. "We dissolve the glasses in organic solvents then dip your substrate into the solution so they get coated with a uniform layer of solution and then you vaporize and dry

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  • OSA Ultrafast all-optical chalcogenide glass photonic

    Chalcogenide glass films deposited by thermal evaporation sputtering and wet chemical spin deposition all require a post-process anneal in order to bring about bulk glass like properties. Pulsed laser deposition of chalcogenide glass films has been proposed as a means of circumventing this step as the ablated materials has moderately high

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  • Si-CMOS-compatible lift-off fabrication of low- loss

    Si-CMOS-compatible lift-off fabrication of low-loss planar chalcogenide waveguides Juejun Hu 1 Vladimir Tarasov Nathan Carlie2 Ning-Ning Feng Laeticia Petit2 Anu Agarwal1 Kathleen Richardson 2 and Lionel Kimerling 1 1Microphotonics Center Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA 2Advanced Materials Research Laboratory Clemson University

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  • Journal of Solid State Chemistry

    the glass network and consequently decreasing the nonlinear refractive index of chalcogenide glasses 10 . Despite the extensive work in this area in the past decade the origin of the nonlinearity of glass in general and chalcogenide glasses in particular is still largely unclear. Cardinal et

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  • Summary of Chalcogenide Glass Processing Wet- Etching

    with chalcogenide-etching system (B D F). Figure 18-A -C and –E show uniform definite edges for measuring step-heights whereas Figure 18-B -D and –F show extremely variable rough and irregular edges making step-height measurements difficult with any high degree of precision or

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  • Chalcogenide glass waveguide-integrated black phosphorus

    Feb 27 2018 · Juejun Hu J D M Li L Lin H Zou Y Du Q Smith C Novak S and Richardson K 2015 Chalcogenide glass microphotonics stepping into the spotlight Am. Ceram. Soc. Soc. Bull. 94 24–9

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  • Thermal properties of chalcogenide glassesScienceDirect

    Jan 01 2014 · To better explore some of the physical and chemical factors underlying the glass transition the values of T g for arsenic- and germanium-based binary chalcogenide glasses are plotted in Fig. 4.2 with the bottom axis giving the mole percent of the modifier (the As or Ge) and the top axis giving the resulting average coordination number < r>. The average coordination number gives a

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  • Chalcogenide glass waveguide-integrated black phosphorus

    Feb 27 2018 · Juejun Hu J D M Li L Lin H Zou Y Du Q Smith C Novak S and Richardson K 2015 Chalcogenide glass microphotonics stepping into the spotlight Am. Ceram. Soc. Soc. Bull. 94 24–9

    Get Price
  • Credit Hu C

    Chalcogenide glass microphotonics Stepping into the spotlight optical path length inside the device and thus is critical to improve the sensitivity of spectroscopic detection.

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  • OSA Low loss Ge-As-Se chalcogenide glass fiber

    Chalcogenide glass fibers have attractive properties (e.g. wide transparent window high optical non-linearity) and numerous potential applications in the mid-infrared (MIR) region. Low optical loss is desired and important in the development of these fibers. Ge-As-Se glass has a large glass-forming range to provide versatility of choice from continuously varying physical properties.

    Get Price
  • Direct Electrospray Printing of Gradient Refractive Index

    Chalcogenide Glass Films Mid-IR microphotonics based on chalcogenide glasses (ChGs) have seen significant growth in the past decade. Interest in such materials is largely due to the broad glass-forming region of treatment step about 0.5 μL of solution was dispensed from the end of

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  • A SOLUTION-BASED APPROACH TO THE FABRICATION OF

    Mar 29 2010 · structures in a single step using micro-stamping techniques. Solution-derived thin films in the As-Ge-Sb-S system are shown to possess similar molecular structure to the parent bulk glass and vacuum heat treatment allows the preservation of IR transparency through the removal of

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  • IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM

    DECORBY et al. HIGH INDEX CONTRAST WAVEGUIDES IN CHALCOGENIDE GLASS AND POLYMER 541 at 1064 nm wavelength 29 . In the late 1970s Zembutsu et al. studied integrated optics devices using Ge–As

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  • ‪Yi Zou‬‪Google Scholar‬

    Chalcogenide glass microphotonics Stepping into the spotlight J Hu L Li H Lin Y Zou Q Du C Smith S Novak K Richardson American Ceramic Society Bulletin 94 (4) 24-29 2015

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  • (PDF) Chalcogenide glass microphotonics Stepping into the

    Chalcogenide glass microphotonics Stepping into the spotlight. distribution inside such a sandwich . structure where strains concentrate in Chalcogenide glass microphotonics Stepping into

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  • Chalcogenide glass fibers with a rectangular core for

    Aug 01 2019 · A step-index chalcogenide fiber with a rectangular core and a circular cladding was fabricated through an approach that combines an extrusion technique and

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  • Ionic conductivity of chalcogenide glassesScienceDirect

    Jan 01 2014 · Oxysalts were also used to improve the conductivity of Li conductive chalcogenide glasses. 36 102 103 For example small amounts of lithium oxysalts Li 3 PO 4 Li 4 SiO 4 Li 3 BO 3 and Li 4 GeO 4 doped into the Li 2 S-SiS 2 glass system helped not only to increase the conductivity (sometimes by a factor of 10) but also the stability of

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  • Chalcogenide glass fibers with a rectangular core for

    Aug 01 2019 · A step-index chalcogenide fiber with a rectangular core and a circular cladding was fabricated through an approach that combines an extrusion technique and

    Get Price
  • Spencer NOVAK Materials Engineer PhD in Materials

    Chalcogenide glass microphotonics Stepping into the spotlight. Article. Full-text available were synthesized using a colloidal method and incorporated into Ge23Sb7S70 glass films via a

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  • IRradiance Glass » Research

    Chalcogenide glass microphotonics Stepping into the spotlight American Ceramic Society Bulletin 94(4) 24-29 · May 2015 Chapter 4. Thermal Properties of Chalcogenide Glasses " J.D. Musgraves S. Danto K. Richardson.

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  • J. David MUSGRAVES Director of Research and Development

    Chalcogenide glass microphotonics Stepping into the spotlight. Article. Full-text available. May 2015 is an optical manufacturing process used to hot press optical glass into a specified

    Get Price
  • Si-CMOS-compatible lift-off fabrication of low- loss

    Si-CMOS-compatible lift-off fabrication of low-loss planar chalcogenide waveguides Juejun Hu 1 Vladimir Tarasov Nathan Carlie2 Ning-Ning Feng Laeticia Petit2 Anu Agarwal1 Kathleen Richardson 2 and Lionel Kimerling 1 1Microphotonics Center Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA 2Advanced Materials Research Laboratory Clemson University

    Get Price
  • OSA Low loss Ge-As-Se chalcogenide glass fiber

    Chalcogenide glass fibers have attractive properties (e.g. wide transparent window high optical non-linearity) and numerous potential applications in the mid-infrared (MIR) region. Low optical loss is desired and important in the development of these fibers. Ge-As-Se glass has a large glass-forming range to provide versatility of choice from continuously varying physical properties.

    Get Price
  • Journal of Solid State Chemistry

    the glass network and consequently decreasing the nonlinear refractive index of chalcogenide glasses 10 . Despite the extensive work in this area in the past decade the origin of the nonlinearity of glass in general and chalcogenide glasses in particular is still largely unclear. Cardinal et

    Get Price

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