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Opt Lett. 2006 Aug 15;31(16):2450-2.

Extended focus depth for Fourier domain optical coherence microscopy.

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  • 1Laboratoire d'Optique Biomedicale, Ecole Polytechnique Federale de Lausanne, CH-1015 Lausanne, Switzerland.


We report on a new detection scheme for Fourier domain optical coherence microscopy that exhibits high transverse resolution along an axially extended focal range. Nearly constant transverse resolution of approximately 1.5 microm along a focal range of 200 microm is experimentally verified with a maximum sensitivity of 105 dB. A broad-bandwidth Ti:sapphire laser allowed for an axial resolution of 3 microm in air.

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