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Embedded anisotropic microreflectors by femtosecond-laser nanomachining

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), pp. 196-198.

Record type: Article

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 Delta.n ~ 10–2 with a characteristic period Lambda ~ 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

Identifiers

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 Oct 2017 00:59

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