Effect of annealing temperature on the thermo-optic properties of holmium doped silica glasses prepared by sol-gel method

B. Rajesh Kumar, N. Shemeena Basheer, Ancy Manuel, Achamma Kurian, Sajan D. George

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

2 Citations (Scopus)

Abstract

Silica based glasses activated by rare earth ions promises to be an efficient material for the photonics applications. Incorporation of holmium as a rare earth dopant finds wide applications in the infrared range of the electromagnetic spectrum. In this work, we report the preparation and the thermo-optic characterization of the holmium doped silica glasses. The samples are prepared via sol-gel route. The structural characterization of the samples is carried out using the X-ray diffraction technique whereas the constituents of the samples are identified using the Fourier Transform Infrared (FTIR) Spectroscopy. The optical properties of the samples are measured using the UV-VIS absorption spectroscopy. The thermal effusivity values of the samples are evaluated using an open cell photoacoustic technique. Influence of the annealing temperature on the thermal as well as the optical properties of the samples is investigated in detail. Analysis of the results shows that the doping and annealing process influences the thermo-optic properties in a substantial manner.

Original languageEnglish
Title of host publicationOptics
Subtitle of host publicationPhenomena, Materials, Devices, and Characterization, OPTICS 2011: International Conference on Light
Pages158-160
Number of pages3
Volume1391
DOIs
Publication statusPublished - 28-11-2011
EventInternational Conference on Light Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011 - Calicut, Kerala, India
Duration: 23-05-201125-05-2011

Conference

ConferenceInternational Conference on Light Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011
CountryIndia
CityCalicut, Kerala
Period23-05-1125-05-11

Fingerprint

holmium
silica glass
gels
optics
annealing
temperature
rare earth elements
optical properties
electromagnetic spectra
absorption spectroscopy
infrared spectroscopy
routes
photonics
silicon dioxide
preparation
glass
cells
diffraction
ions
x rays

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Kumar, B. R., Basheer, N. S., Manuel, A., Kurian, A., & George, S. D. (2011). Effect of annealing temperature on the thermo-optic properties of holmium doped silica glasses prepared by sol-gel method. In Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011: International Conference on Light (Vol. 1391, pp. 158-160) https://doi.org/10.1063/1.3646810
Kumar, B. Rajesh ; Basheer, N. Shemeena ; Manuel, Ancy ; Kurian, Achamma ; George, Sajan D. / Effect of annealing temperature on the thermo-optic properties of holmium doped silica glasses prepared by sol-gel method. Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011: International Conference on Light. Vol. 1391 2011. pp. 158-160
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Kumar, BR, Basheer, NS, Manuel, A, Kurian, A & George, SD 2011, Effect of annealing temperature on the thermo-optic properties of holmium doped silica glasses prepared by sol-gel method. in Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011: International Conference on Light. vol. 1391, pp. 158-160, International Conference on Light Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011, Calicut, Kerala, India, 23-05-11. https://doi.org/10.1063/1.3646810

Effect of annealing temperature on the thermo-optic properties of holmium doped silica glasses prepared by sol-gel method. / Kumar, B. Rajesh; Basheer, N. Shemeena; Manuel, Ancy; Kurian, Achamma; George, Sajan D.

Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011: International Conference on Light. Vol. 1391 2011. p. 158-160.

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

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AB - Silica based glasses activated by rare earth ions promises to be an efficient material for the photonics applications. Incorporation of holmium as a rare earth dopant finds wide applications in the infrared range of the electromagnetic spectrum. In this work, we report the preparation and the thermo-optic characterization of the holmium doped silica glasses. The samples are prepared via sol-gel route. The structural characterization of the samples is carried out using the X-ray diffraction technique whereas the constituents of the samples are identified using the Fourier Transform Infrared (FTIR) Spectroscopy. The optical properties of the samples are measured using the UV-VIS absorption spectroscopy. The thermal effusivity values of the samples are evaluated using an open cell photoacoustic technique. Influence of the annealing temperature on the thermal as well as the optical properties of the samples is investigated in detail. Analysis of the results shows that the doping and annealing process influences the thermo-optic properties in a substantial manner.

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Kumar BR, Basheer NS, Manuel A, Kurian A, George SD. Effect of annealing temperature on the thermo-optic properties of holmium doped silica glasses prepared by sol-gel method. In Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011: International Conference on Light. Vol. 1391. 2011. p. 158-160 https://doi.org/10.1063/1.3646810