Embedded anisotropic microreflectors by femtosecond-laser nanomachining
Embedded anisotropic microreflectors by femtosecond-laser nanomachining
Directly written embedded structures created within fused silica by a femtosecond Ti:sapphire laser are observed to strongly reflect blue light. Reflection emerges only in a direction parallel to the polarization axis of the writing laser. This anisotropic-effect is caused by a periodic modulation of refractive index of amplitude Δn ~ 10–2 with a characteristic period Λ ~ 150nm over a spot size ~1.5µm. We show that the origin of the anisotropic reflection is the primary cause of other anisotropic phenomena reported in recent experiments.
196-198
Mills, J.D.
3b139ebc-5875-4367-80e6-f7e94cf2d6a8
Kazansky, P.G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Bricchi, E.
90e6f0e4-b25b-4b7e-8bb2-9d3c9f9f74b6
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
2002
Mills, J.D.
3b139ebc-5875-4367-80e6-f7e94cf2d6a8
Kazansky, P.G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Bricchi, E.
90e6f0e4-b25b-4b7e-8bb2-9d3c9f9f74b6
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Mills, J.D., Kazansky, P.G., Bricchi, E. and Baumberg, J.J.
(2002)
Embedded anisotropic microreflectors by femtosecond-laser nanomachining.
Applied Physics Letters, 81 (2), .
(doi:10.1063/1.1492004).
Abstract
Directly written embedded structures created within fused silica by a femtosecond Ti:sapphire laser are observed to strongly reflect blue light. Reflection emerges only in a direction parallel to the polarization axis of the writing laser. This anisotropic-effect is caused by a periodic modulation of refractive index of amplitude Δn ~ 10–2 with a characteristic period Λ ~ 150nm over a spot size ~1.5µm. We show that the origin of the anisotropic reflection is the primary cause of other anisotropic phenomena reported in recent experiments.
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Published date: 2002
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Local EPrints ID: 57468
URI: http://eprints.soton.ac.uk/id/eprint/57468
ISSN: 0003-6951
PURE UUID: 2496903b-f505-419a-a5db-aeb3881d5592
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Date deposited: 13 Aug 2008
Last modified: 15 Mar 2024 11:07
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Author:
E. Bricchi
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J.J. Baumberg
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