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Low-loss and low-bend-sensitivity mid-infrared guidance in a hollow-core–photonic-bandgap fiber

Low-loss and low-bend-sensitivity mid-infrared guidance in a hollow-core–photonic-bandgap fiber
Low-loss and low-bend-sensitivity mid-infrared guidance in a hollow-core–photonic-bandgap fiber
Hollow-core photonic-bandgap fiber, fabricated from high-purity synthetic silica, with a wide operating bandwidth between 3.1 and 3.7µm, is reported. A minimum attenuation of 0.13dB/m is achieved through a 19-cell core design with a thin core wall surround. The loss is reduced further to 0.05dB/m following a purging process to remove hydrogen chloride gas from the fiber - representing more than an order of magnitude loss reduction as compared to previously reported bandgap-guiding fibers operating in the mid-infrared. The fiber also offers a low bend sensitivity of <0.25dB per 5cm diameter turn over a 300nm bandwidth. Simulations are in good agreement with the achieved losses and indicate that a further loss reduction of more than a factor of 2 should be possible by enlarging the core using a 37-cell design.
0146-9592
295-298
Wheeler, Natalie V.
0fd34178-a77b-4c71-a3a6-86a1f634f1a0
Heidt, Alexander M.
18f56d74-848c-420c-9ece-715e3e94e97a
Baddela, Naveen K.
1a871ff8-f95d-495b-8b91-9d6ccd209528
Numkam Fokoua, Eric
6d9f7e50-dc3b-440a-a0b9-f4a08dd02ccd
Hayes, John R.
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Sandoghchi, Seyed Reza
15499707-d3f2-42f1-90e2-cbe260462487
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Petrovich, Marco N.
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Wheeler, Natalie V.
0fd34178-a77b-4c71-a3a6-86a1f634f1a0
Heidt, Alexander M.
18f56d74-848c-420c-9ece-715e3e94e97a
Baddela, Naveen K.
1a871ff8-f95d-495b-8b91-9d6ccd209528
Numkam Fokoua, Eric
6d9f7e50-dc3b-440a-a0b9-f4a08dd02ccd
Hayes, John R.
a6d3acd6-d7d5-4614-970e-0e8c594e48e2
Sandoghchi, Seyed Reza
15499707-d3f2-42f1-90e2-cbe260462487
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Petrovich, Marco N.
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Wheeler, Natalie V., Heidt, Alexander M., Baddela, Naveen K., Numkam Fokoua, Eric, Hayes, John R., Sandoghchi, Seyed Reza, Poletti, Francesco, Petrovich, Marco N. and Richardson, David J. (2014) Low-loss and low-bend-sensitivity mid-infrared guidance in a hollow-core–photonic-bandgap fiber. Optics Letters, 39 (2), 295-298. (doi:10.1364/OL.39.000295).

Record type: Article

Abstract

Hollow-core photonic-bandgap fiber, fabricated from high-purity synthetic silica, with a wide operating bandwidth between 3.1 and 3.7µm, is reported. A minimum attenuation of 0.13dB/m is achieved through a 19-cell core design with a thin core wall surround. The loss is reduced further to 0.05dB/m following a purging process to remove hydrogen chloride gas from the fiber - representing more than an order of magnitude loss reduction as compared to previously reported bandgap-guiding fibers operating in the mid-infrared. The fiber also offers a low bend sensitivity of <0.25dB per 5cm diameter turn over a 300nm bandwidth. Simulations are in good agreement with the achieved losses and indicate that a further loss reduction of more than a factor of 2 should be possible by enlarging the core using a 37-cell design.

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More information

Accepted/In Press date: 22 November 2013
e-pub ahead of print date: 8 January 2014
Published date: 2014
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 361489
URI: https://eprints.soton.ac.uk/id/eprint/361489
ISSN: 0146-9592
PURE UUID: 8596ba22-024a-435b-9b65-9c8177077767
ORCID for Natalie V. Wheeler: ORCID iD orcid.org/0000-0002-1265-9510
ORCID for Eric Numkam Fokoua: ORCID iD orcid.org/0000-0003-0873-911X
ORCID for Seyed Reza Sandoghchi: ORCID iD orcid.org/0000-0003-2196-3167
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for Marco N. Petrovich: ORCID iD orcid.org/0000-0002-3905-5901
ORCID for David J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 23 Jan 2014 14:20
Last modified: 24 Sep 2019 00:58

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Contributors

Author: Alexander M. Heidt
Author: Naveen K. Baddela
Author: John R. Hayes

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