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Spectroscopy of Pr3+-doped low phonon-energy glasses based on halides and sulphides

Spectroscopy of Pr3+-doped low phonon-energy glasses based on halides and sulphides
Spectroscopy of Pr3+-doped low phonon-energy glasses based on halides and sulphides
The optical properties of praseodymium doped glasses have attracted considerable attention recently for their potential application as a 1.3 micron optical amplifier. As a result novel glass compositions are being developed and known glass forming systems arc being revisited in the quest for a low-phonon energy glass which may lead to an efficient amplifier. We report here on our spectroscopic evaluation of a series of low-phonon-energy glasses based on halides and sulphides. These results, though driven by the desire for a practical amplifier, provide insight into the application of these glasses not only for telecommunications applications, but also an understanding of the overall optical properties of a low-phonon-energy glass. Using Raman spectroscopy. the vibrational characteristics of the glass host are determined. These results are confirmed through infrared measurements and with phonon sideband measurements. In this way, the non-radiative properties of the rare earth doped glass can be predicted. Absorption measurements across the visible and infrared allow evaluation of the intrinsic loss of these glasses when in fibre form, as well as providing an indication of glass purity. Fluorescence of Pr3+-doped glasses, through excitation of the 3P0, 1D2 and 1G4 levels, is measured along with the fluorescence lifetimes. These radiative properties arc compared to those predicted by a Judd-Ofelt analysis, which has been performed on all glasses. In this way, this work provides an overall spectroscopic evaluation of the optical properties of low-phonon-energy glasses, leading the way towards a practical device.
9780819413383
Hewak, Daniel W.
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Madeiros-Neto, J.A.
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Samson, Bryce N.
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Wang, Ji
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Tate, H.J.
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Pearson, A.
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Brocklesby, William S.
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Wylangowski, G.
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Laming, Richard I.
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Payne, David N.
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Jha, Animesh
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Naftaly, M.
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Poulain, Marcel
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Jordery, S.
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Hewak, Daniel W.
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Madeiros-Neto, J.A.
eccd281b-2286-4b62-b3c0-63218b70e2cd
Samson, Bryce N.
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Wang, Ji
7a7f4880-f127-4292-803a-51c408512f40
Tate, H.J.
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Pearson, A.
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Brocklesby, William S.
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Wylangowski, G.
d2d86d77-5064-44d2-b424-da0195394d55
Laming, Richard I.
7a3db66b-2c54-43e3-bdd8-ab45c9195cd4
Payne, David N.
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Jha, Animesh
605eb90a-d8bb-4205-87c5-5fadc90e8928
Naftaly, M.
dc37eb5b-96ff-438f-a887-cce29d7638c6
Poulain, Marcel
b2b7e4a3-e3b5-4fef-976e-d7948786af1b
Jordery, S.
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Hewak, Daniel W., Madeiros-Neto, J.A., Samson, Bryce N., Wang, Ji, Tate, H.J., Pearson, A., Brocklesby, William S., Wylangowski, G., Laming, Richard I., Payne, David N., Jha, Animesh, Naftaly, M., Poulain, Marcel and Jordery, S. (1993) Spectroscopy of Pr3+-doped low phonon-energy glasses based on halides and sulphides. SPIE 2073 : Fiber Laser Sources and Amplifiers V, United States. 07 - 10 Sep 1993.

Record type: Conference or Workshop Item (Paper)

Abstract

The optical properties of praseodymium doped glasses have attracted considerable attention recently for their potential application as a 1.3 micron optical amplifier. As a result novel glass compositions are being developed and known glass forming systems arc being revisited in the quest for a low-phonon energy glass which may lead to an efficient amplifier. We report here on our spectroscopic evaluation of a series of low-phonon-energy glasses based on halides and sulphides. These results, though driven by the desire for a practical amplifier, provide insight into the application of these glasses not only for telecommunications applications, but also an understanding of the overall optical properties of a low-phonon-energy glass. Using Raman spectroscopy. the vibrational characteristics of the glass host are determined. These results are confirmed through infrared measurements and with phonon sideband measurements. In this way, the non-radiative properties of the rare earth doped glass can be predicted. Absorption measurements across the visible and infrared allow evaluation of the intrinsic loss of these glasses when in fibre form, as well as providing an indication of glass purity. Fluorescence of Pr3+-doped glasses, through excitation of the 3P0, 1D2 and 1G4 levels, is measured along with the fluorescence lifetimes. These radiative properties arc compared to those predicted by a Judd-Ofelt analysis, which has been performed on all glasses. In this way, this work provides an overall spectroscopic evaluation of the optical properties of low-phonon-energy glasses, leading the way towards a practical device.

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More information

e-pub ahead of print date: 1993
Venue - Dates: SPIE 2073 : Fiber Laser Sources and Amplifiers V, United States, 1993-09-07 - 1993-09-10

Identifiers

Local EPrints ID: 77238
URI: https://eprints.soton.ac.uk/id/eprint/77238
ISBN: 9780819413383
PURE UUID: 4d329895-a50f-4123-be96-78e142929132
ORCID for Daniel W. Hewak: ORCID iD orcid.org/0000-0002-2093-5773
ORCID for William S. Brocklesby: ORCID iD orcid.org/0000-0002-2123-6712

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Date deposited: 11 Mar 2010
Last modified: 06 Jun 2018 13:12

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Contributors

Author: Daniel W. Hewak ORCID iD
Author: J.A. Madeiros-Neto
Author: Bryce N. Samson
Author: Ji Wang
Author: H.J. Tate
Author: A. Pearson
Author: G. Wylangowski
Author: Richard I. Laming
Author: David N. Payne
Author: Animesh Jha
Author: M. Naftaly
Author: Marcel Poulain
Author: S. Jordery

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