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Near-IR absorption of Ga:La:S and Ga:La:S:O glasses by FEL-based laser calorimetry

Near-IR absorption of Ga:La:S and Ga:La:S:O glasses by FEL-based laser calorimetry
Near-IR absorption of Ga:La:S and Ga:La:S:O glasses by FEL-based laser calorimetry
The optical absorption of bulk Ga:La:S and Ga:La:S:O glasses in the near infrared was investigated by laser calorimetry using the free-electron laser source at the Thomas Jefferson National Accelerator Facility. An absorption coefficient of 1.2 × 10-2 and 2.3 × 10-2 cm-1 was measured at 1.55µm for Ga:La:S and Ga:La:S:O respectively. Comparing this result with conventional transmission measurements, we show that absorption is the prevailing loss mechanism in the near-IR region. Although not conclusive, our measurements suggest that the absorption is due to impurities and to the weak absorption tail.
C140, I160, C100
0022-3093
93-97
Petrovich, M.N.
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
Favre, A.
89a990d7-7442-48f4-81ce-983c98328ef3
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc
Grippo, A.C.
df28749d-5787-446c-a201-5fa46aedcbf8
Gubeli III, J.F.
3146d4b2-3706-47a1-bed8-93ccddd9a4fc
Jordan, K.C.
743a4550-e120-4f03-ac4e-9eed34bb8bb1
Neil, G.R.
dee5c94b-9261-41ae-b9cf-50a2f9577165
Shinn, M.D.
db95071f-40f0-4ad8-95c7-5200d83a2c0b
Petrovich, M.N.
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
Favre, A.
89a990d7-7442-48f4-81ce-983c98328ef3
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc
Grippo, A.C.
df28749d-5787-446c-a201-5fa46aedcbf8
Gubeli III, J.F.
3146d4b2-3706-47a1-bed8-93ccddd9a4fc
Jordan, K.C.
743a4550-e120-4f03-ac4e-9eed34bb8bb1
Neil, G.R.
dee5c94b-9261-41ae-b9cf-50a2f9577165
Shinn, M.D.
db95071f-40f0-4ad8-95c7-5200d83a2c0b

Petrovich, M.N., Favre, A., Hewak, D.W., Rutt, H.N., Grippo, A.C., Gubeli III, J.F., Jordan, K.C., Neil, G.R. and Shinn, M.D. (2003) Near-IR absorption of Ga:La:S and Ga:La:S:O glasses by FEL-based laser calorimetry. [in special issue: 13th International Symposium on Non-Oxide Glasses and New Optical Materials] Journal of Non-Crystalline Solids, 326-327, 93-97. (doi:10.1016/S0022-3093(03)00384-3).

Record type: Article

Abstract

The optical absorption of bulk Ga:La:S and Ga:La:S:O glasses in the near infrared was investigated by laser calorimetry using the free-electron laser source at the Thomas Jefferson National Accelerator Facility. An absorption coefficient of 1.2 × 10-2 and 2.3 × 10-2 cm-1 was measured at 1.55µm for Ga:La:S and Ga:La:S:O respectively. Comparing this result with conventional transmission measurements, we show that absorption is the prevailing loss mechanism in the near-IR region. Although not conclusive, our measurements suggest that the absorption is due to impurities and to the weak absorption tail.

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More information

Published date: October 2003
Keywords: C140, I160, C100
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 13885
URI: https://eprints.soton.ac.uk/id/eprint/13885
ISSN: 0022-3093
PURE UUID: d7ade57e-2b08-404a-8a34-67e95982b97f
ORCID for M.N. Petrovich: ORCID iD orcid.org/0000-0002-3905-5901
ORCID for D.W. Hewak: ORCID iD orcid.org/0000-0002-2093-5773

Catalogue record

Date deposited: 10 Jan 2005
Last modified: 12 Nov 2019 02:02

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Contributors

Author: M.N. Petrovich ORCID iD
Author: A. Favre
Author: D.W. Hewak ORCID iD
Author: H.N. Rutt
Author: A.C. Grippo
Author: J.F. Gubeli III
Author: K.C. Jordan
Author: G.R. Neil
Author: M.D. Shinn

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