New tellurium based glasses for use in bio-sensing applications

Allison Wilhelm, Catherine Boussard-Pledel, Pierre Lucas, Mark R. Riley, Bruno Bureau, Jacques Lucas

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

Abstract

A new family of Tellurium based glasses from the Ge-Te-I ternary system has been investigated for use in bio-sensing applications. A systematic series of compositions have been synthesized in order to explore the ternary phase diagram in an attempt to optimize the glass composition for the fiber drawing process. The characteristic temperatures Tg, the glass transition temperature, and Tx, the onset crystallization temperature, were measured in order to obtain ΔT, the difference between Tg and T x, which must be maximized for optimum fiber drawing ability, The resulting glass transition temperature range lies between 139°C and 174°C, with ΔT values between 64°C and 124°C. The mechanical properties of a selected number of glass compositions were also investigated, including hardness and Young's Modulus. The Ge-Te-I glasses have an effective transmission window between 2-27 microns, encompassing the region of interest for the identification of biologically relevant species such as carbon dioxide. Furthermore, the fibering potential of the Ge-Te-I glasses makes them an interesting candidate for use in fiber evanescent wave spectroscopy (FEWS) and other bio-sensing applications.

Original languageEnglish (US)
Title of host publicationProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume6433
DOIs
StatePublished - 2007
EventOptical Fibers and Sensors for Medical Diagnostics and Treatment Applications VII - San Jose, CA, United States
Duration: Jan 20 2007Jan 21 2007

Other

OtherOptical Fibers and Sensors for Medical Diagnostics and Treatment Applications VII
CountryUnited States
CitySan Jose, CA
Period1/20/071/21/07

Fingerprint

Tellurium
Glass
Fibers
Chemical analysis
Ternary systems
Phase diagrams
Carbon dioxide
Crystallization
Elastic moduli
Hardness
Spectroscopy
Mechanical properties
Temperature

Keywords

  • Chalcogenide glass
  • Glass formation
  • IR spectroscopy
  • Optical properties
  • Tellurium

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Wilhelm, A., Boussard-Pledel, C., Lucas, P., Riley, M. R., Bureau, B., & Lucas, J. (2007). New tellurium based glasses for use in bio-sensing applications. In Progress in Biomedical Optics and Imaging - Proceedings of SPIE (Vol. 6433). [64330U] https://doi.org/10.1117/12.724269

New tellurium based glasses for use in bio-sensing applications. / Wilhelm, Allison; Boussard-Pledel, Catherine; Lucas, Pierre; Riley, Mark R.; Bureau, Bruno; Lucas, Jacques.

Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 6433 2007. 64330U.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wilhelm, A, Boussard-Pledel, C, Lucas, P, Riley, MR, Bureau, B & Lucas, J 2007, New tellurium based glasses for use in bio-sensing applications. in Progress in Biomedical Optics and Imaging - Proceedings of SPIE. vol. 6433, 64330U, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications VII, San Jose, CA, United States, 1/20/07. https://doi.org/10.1117/12.724269
Wilhelm A, Boussard-Pledel C, Lucas P, Riley MR, Bureau B, Lucas J. New tellurium based glasses for use in bio-sensing applications. In Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 6433. 2007. 64330U https://doi.org/10.1117/12.724269
Wilhelm, Allison ; Boussard-Pledel, Catherine ; Lucas, Pierre ; Riley, Mark R. ; Bureau, Bruno ; Lucas, Jacques. / New tellurium based glasses for use in bio-sensing applications. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 6433 2007.
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