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Imaging the Schlemm’s Canal using an ultra-high resolution spectral-domain OCT working at 1.3µm center wavelength (Orale)

Abstract : We present an ultrahigh resolution spectral-domain optical coherence tomography imaging system using a broadband superluminescent diode light source emitting at a center wavelength of 1.3µm. The light source consists of two spectrally shifted superluminescent diodes that are coupled together into a single mode fiber. The effective emission power spectrum has a full width at half maximum of 200nm and the source output power is 10 mW. The imaging system has an axial resolution of 3.9µm in air (~3.0µm in biological tissue), and a lateral resolution of 6.5µm.Thesensitivity and the maximum line rate are 95 dB and 46 kHz, respectively. Images of an infrared viewing card and a cornea from human eye suffering from glaucoma showing Schlemm’s canal are presented to illustrate the performance of the system.
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https://hal-iogs.archives-ouvertes.fr/hal-01551631
Contributor : Fatima Pereira <>
Submitted on : Friday, June 30, 2017 - 1:42:22 PM
Last modification on : Wednesday, June 26, 2019 - 12:24:06 PM

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  • HAL Id : hal-01551631, version 1

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Masreshaw Bayleyegn, Arnaud Dubois. Imaging the Schlemm’s Canal using an ultra-high resolution spectral-domain OCT working at 1.3µm center wavelength (Orale). IUPESM 2015 -World Congress on Medical Physics and Biomedical Engineering, Jun 2015, Toronto, Canada. ⟨hal-01551631⟩

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