Near-field optical microscopy: Contrast mechanisms in standard systems and photonic band gap structures

We discuss some of the intrinsic difficulties related to the numerical investigation of near-held optical microscopy. We show how these difficult ies can be handled within the framework of the Green's tensor technique. Investigating practical experimental configurations, we show the strong correlation between the motion of the tip and the near-field signal. In order to investigate this kind of artifacts, we propose a series of experiments based on photonic band gap systems immersed in evanescent fields. The electromagnetic properties of such a system can be changed without changing the the topography of the system at all.


Published in:
Near-Field Optics: Physics, Devices, And Information Processing, 3791, 32-38
Presented at:
Conference on Near-Field Optics - Physics, Devices, and Information Processing, DENVER, CO, Jul 22-23, 1999
Year:
1999
Publisher:
Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa
ISBN:
0-8194-3277-6
Keywords:
Laboratories:




 Record created 2011-04-11, last modified 2018-03-17


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