Multifiber angular compounding optical coherence tomography for speckle reduction

Dongyao Cui; En Bo; Yuemei Luo; Xinyu Liu; Xianghong Wang; Si Chen; Xiaojun Yu; Shi Chen; Ping Shum; Linbo Liu

doi:10.1364/OL.42.000125

Multifiber angular compounding optical coherence tomography for speckle reduction

Dongyao Cui, En Bo, Yuemei Luo, Xinyu Liu, Xianghong Wang, Si Chen, Xiaojun Yu, Shi Chen, Ping Shum, Linbo Liu

Nanyang Technological University

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

We report on an integrated fiber optic design to implement multifiber angular compounding optical coherence tomography, which enables angular compounding for speckle reduction. A multi-facet fiber array delivers three light beams to the sample with different incident angles. Back-reflective/back-scattered signals from these channels were simultaneously detected by a three-channel spectrometer. The axial and lateral resolution was measured to be ∼3 and ∼3.5 μm, respectively, in air with ∼100 dB sensitivity. We conducted ex vivo experiments on a rat esophagus to demonstrate a contrast to noise improvement of 1.58.

Original language	English
Pages (from-to)	125-128
Number of pages	4
Journal	Optics Letters
Volume	42
Issue number	1
DOIs	https://doi.org/10.1364/OL.42.000125
State	Published - 1 Jan 2017
Externally published	Yes

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abstract = "We report on an integrated fiber optic design to implement multifiber angular compounding optical coherence tomography, which enables angular compounding for speckle reduction. A multi-facet fiber array delivers three light beams to the sample with different incident angles. Back-reflective/back-scattered signals from these channels were simultaneously detected by a three-channel spectrometer. The axial and lateral resolution was measured to be ∼3 and ∼3.5 μm, respectively, in air with ∼100 dB sensitivity. We conducted ex vivo experiments on a rat esophagus to demonstrate a contrast to noise improvement of 1.58.",

author = "Dongyao Cui and En Bo and Yuemei Luo and Xinyu Liu and Xianghong Wang and Si Chen and Xiaojun Yu and Shi Chen and Ping Shum and Linbo Liu",

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AU - Cui, Dongyao

AU - Bo, En

AU - Luo, Yuemei

AU - Liu, Xinyu

AU - Wang, Xianghong

AU - Chen, Si

AU - Yu, Xiaojun

AU - Chen, Shi

AU - Shum, Ping

AU - Liu, Linbo

PY - 2017/1/1

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AB - We report on an integrated fiber optic design to implement multifiber angular compounding optical coherence tomography, which enables angular compounding for speckle reduction. A multi-facet fiber array delivers three light beams to the sample with different incident angles. Back-reflective/back-scattered signals from these channels were simultaneously detected by a three-channel spectrometer. The axial and lateral resolution was measured to be ∼3 and ∼3.5 μm, respectively, in air with ∼100 dB sensitivity. We conducted ex vivo experiments on a rat esophagus to demonstrate a contrast to noise improvement of 1.58.

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Multifiber angular compounding optical coherence tomography for speckle reduction

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