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Sub-wavelength focusing of high intensities in microfibre tips

Sub-wavelength focusing of high intensities in microfibre tips
Sub-wavelength focusing of high intensities in microfibre tips
Sub-wavelength efficient intensity confinement has been demonstrated in nanostructured optical microfibre tips. Focus Ion Beam (FIB) milling was used to nanostructure gold-coated optical microfibre tips and form apertures at the apex. Simulations were carried out to optimize the device design. Enhanced transmission efficiency (higher than 10-2) was achieved in spot sizes of ~lambda/10. Nanostructured microfibre tips have the potential for a number of applications including optical recording, photolithography and scanning near-field optical microscopy (SNOM).
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Ding, M.
441129e5-757f-4502-abb7-07fc24b86005
Ou, J-Y.
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Sessions, N.P.
ee737092-56b4-403e-a2f9-764e07e42625
Jung, Y.
6685e51e-be47-4c96-8c4b-65aee3b5126d
Fenwick, O.
88337064-bea7-46ee-b974-6de9f2aa2e57
Di Stasio, F.
14c4f397-a549-4247-ac3d-40c70d0ec231
Cacialli, F.
9100bd29-113b-4c82-8f2e-a7cdfd54455f
Kou, J.-L.
1fd8595c-6318-4941-973f-0d28ac930ff7
Xu, F.
98d7620b-58a8-486d-aea1-660658579611
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Ding, M.
441129e5-757f-4502-abb7-07fc24b86005
Ou, J-Y.
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Sessions, N.P.
ee737092-56b4-403e-a2f9-764e07e42625
Jung, Y.
6685e51e-be47-4c96-8c4b-65aee3b5126d
Fenwick, O.
88337064-bea7-46ee-b974-6de9f2aa2e57
Di Stasio, F.
14c4f397-a549-4247-ac3d-40c70d0ec231
Cacialli, F.
9100bd29-113b-4c82-8f2e-a7cdfd54455f
Kou, J.-L.
1fd8595c-6318-4941-973f-0d28ac930ff7
Xu, F.
98d7620b-58a8-486d-aea1-660658579611

Brambilla, G., Ding, M., Ou, J-Y., Sessions, N.P., Jung, Y., Fenwick, O., Di Stasio, F., Cacialli, F., Kou, J.-L. and Xu, F. (2012) Sub-wavelength focusing of high intensities in microfibre tips. ICP: IEEE 3rd International Conference on Photonics, Malaysia. 01 - 03 Oct 2012.

Record type: Conference or Workshop Item (Paper)

Abstract

Sub-wavelength efficient intensity confinement has been demonstrated in nanostructured optical microfibre tips. Focus Ion Beam (FIB) milling was used to nanostructure gold-coated optical microfibre tips and form apertures at the apex. Simulations were carried out to optimize the device design. Enhanced transmission efficiency (higher than 10-2) was achieved in spot sizes of ~lambda/10. Nanostructured microfibre tips have the potential for a number of applications including optical recording, photolithography and scanning near-field optical microscopy (SNOM).

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More information

e-pub ahead of print date: October 2012
Venue - Dates: ICP: IEEE 3rd International Conference on Photonics, Malaysia, 2012-10-01 - 2012-10-03
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 368414
URI: https://eprints.soton.ac.uk/id/eprint/368414
PURE UUID: ca81c488-519f-4074-9d6d-5f85f5527b22
ORCID for J-Y. Ou: ORCID iD orcid.org/0000-0001-8028-6130

Catalogue record

Date deposited: 06 Sep 2014 15:37
Last modified: 06 Jun 2018 12:31

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