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Photochemical long-period grating fabrication in pure-fused-silica photonic crystal fiber

Photochemical long-period grating fabrication in pure-fused-silica photonic crystal fiber
Photochemical long-period grating fabrication in pure-fused-silica photonic crystal fiber
We report on first photochemical recording of a long-period fiber grating (LPFG) in a pure fused silica photonic crystal fiber (PCF), which is based on two-photon absorption (TPA) of high-intensity femtosecond 264 nm pulses. The main disadvantage of previously used nonphotochemical methods of LPFG inscription in PCF fiber (electric arc, mechanical pressure or CO2 laser irradiation) is that they easily damage the fragile holey structure, especially in PCFs with large hole diameters. Besides, photochemical LPFG fabrication in PCF not only allows recording by adding new periods to the grating, but also by repetitive exposure over the fixed number of periods. This important improvement results in production of stronger grating resonances with narrower bandwidths.
Brambilla, G.
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Fotiadi, A.A.
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Slattery, S.A.
c863b9d4-cff9-4913-bc86-988181dfa3d1
Nikogosyan, D.N.
37237f25-119d-427f-8b57-c6bfafe1d079
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Fotiadi, A.A.
9716eef2-f21f-4f81-9e80-d2eba5bbf2a2
Slattery, S.A.
c863b9d4-cff9-4913-bc86-988181dfa3d1
Nikogosyan, D.N.
37237f25-119d-427f-8b57-c6bfafe1d079

Brambilla, G., Fotiadi, A.A., Slattery, S.A. and Nikogosyan, D.N. (2007) Photochemical long-period grating fabrication in pure-fused-silica photonic crystal fiber. CLEO/Europe-IQEC 2007, Munich, Germany. 16 - 21 Jun 2007.

Record type: Conference or Workshop Item (Paper)

Abstract

We report on first photochemical recording of a long-period fiber grating (LPFG) in a pure fused silica photonic crystal fiber (PCF), which is based on two-photon absorption (TPA) of high-intensity femtosecond 264 nm pulses. The main disadvantage of previously used nonphotochemical methods of LPFG inscription in PCF fiber (electric arc, mechanical pressure or CO2 laser irradiation) is that they easily damage the fragile holey structure, especially in PCFs with large hole diameters. Besides, photochemical LPFG fabrication in PCF not only allows recording by adding new periods to the grating, but also by repetitive exposure over the fixed number of periods. This important improvement results in production of stronger grating resonances with narrower bandwidths.

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Published date: June 2007
Venue - Dates: CLEO/Europe-IQEC 2007, Munich, Germany, 2007-06-16 - 2007-06-21

Identifiers

Local EPrints ID: 65743
URI: http://eprints.soton.ac.uk/id/eprint/65743
PURE UUID: 7a06116b-f56f-4619-94ca-bad8961319f8
ORCID for G. Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

Catalogue record

Date deposited: 26 Mar 2009
Last modified: 02 Apr 2022 01:38

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Contributors

Author: G. Brambilla ORCID iD
Author: A.A. Fotiadi
Author: S.A. Slattery
Author: D.N. Nikogosyan

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