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. (doi:10.1063/1.1492004).


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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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1063/1.1492004
ISSNs: 0003-6951 (print)
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ePrint ID: 57468
Date :
Date Event
Date Deposited: 13 Aug 2008
Last Modified: 16 Apr 2017 17:39
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/57468

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