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Single-mode fiber length for wavefront filtering

Single-mode fiber length for wavefront filtering
Single-mode fiber length for wavefront filtering
Stellar nulling interferometry offers the possibility of direct imaging of extrasolar planets necessary for the detection of extra-terrestrial life. Achieving optimum performance from the interferometers requires that the wavefronts of light reaching the interferometer are free of distortions. This is achieved by using single-mode fibers, which are excellent wavefront filters. In this paper, we present an improved theoretical model to estimate the minimum fiber length required to achieve a certain degree of filtering and show that the effects of both the fiber characteristics and launching conditions of the input optical field should be considered to determine the minimum length.
Dasgupta, Sonali
43e5e81a-3da3-4ba5-a5f4-2abe6301fc71
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Dasgupta, Sonali
43e5e81a-3da3-4ba5-a5f4-2abe6301fc71
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Dasgupta, Sonali, Broderick, N.G.R. and Richardson, D.J. (2008) Single-mode fiber length for wavefront filtering. Photonics 2008. 13 - 17 Dec 2008.

Record type: Conference or Workshop Item (Paper)

Abstract

Stellar nulling interferometry offers the possibility of direct imaging of extrasolar planets necessary for the detection of extra-terrestrial life. Achieving optimum performance from the interferometers requires that the wavefronts of light reaching the interferometer are free of distortions. This is achieved by using single-mode fibers, which are excellent wavefront filters. In this paper, we present an improved theoretical model to estimate the minimum fiber length required to achieve a certain degree of filtering and show that the effects of both the fiber characteristics and launching conditions of the input optical field should be considered to determine the minimum length.

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Published date: December 2008
Venue - Dates: Photonics 2008, 2008-12-13 - 2008-12-17

Identifiers

Local EPrints ID: 65521
URI: https://eprints.soton.ac.uk/id/eprint/65521
PURE UUID: f1c7560c-d092-47b4-98bf-16845f49fccf
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 20 Feb 2009
Last modified: 06 Mar 2019 01:37

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Contributors

Author: Sonali Dasgupta
Author: N.G.R. Broderick
Author: D.J. Richardson ORCID iD

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