Dove prism based rotating dual beam bidirectional Doppler OCT

机译：基于鸽子棱镜的旋转双光束双向多普勒OCT

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摘要

Traditional Doppler OCT is highly sensitive to motion artifacts due to the dependence on the Doppler angle. This limits its accuracy in clinical practice. To overcome this limitation, we use a bidirectional dual beam technique equipped with a novel rotating scanning scheme employing a Dove prism. The volume is probed from two distinct illumination directions with variable controlled incidence plane, allowing for reconstruction of the true flow velocity at arbitrary vessel orientations. The principle is implemented with Swept Source OCT at 1060nm with 100,000 A-Scans/s. We apply the system to resolve pulsatile retinal absolute blood velocity by performing segment scans around the optic nerve head and circumpapillary scan time series.

机译：由于对多普勒角度的依赖性，传统的多普勒OCT对运动伪影高度敏感。这限制了其在临床实践中的准确性。为了克服此限制，我们使用了双向双光束技术，该技术配备了采用道威棱镜的新型旋转扫描方案。从具有可变受控入射平面的两个不同照明方向探测体积，从而允许在任意容器方向上重建真实流速。该原理是通过1060nm扫描源OCT和100,000 A-Scans / s来实现的。我们应用该系统通过在视神经头周围进行段扫描和乳头周扫描时间序列来解决脉动性视网膜绝对血流速度。

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期刊名称 Biomedical Optics Express
作者
Cedric Blatter; Séverine Coquoz; Branislav Grajciar; Amardeep S. G. Singh; Marco Bonesi; René M. Werkmeister; Leopold Schmetterer; Rainer A. Leitgeb;
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作者单位

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年(卷),期 2013(4),7
年度 2013
页码 1188–1203
总页数 16
原文格式 PDF
正文语种
中图分类放射医学;影像诊断学;生化遗传学;生化药理学;
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专利

1. Effect of Diffuse Luminance Flicker Light Stimulation on Total Retinal Blood Flow Assessed With Dual-Beam Bidirectional Doppler OCT [J] . Gerold C. Aschinger, Leopold Schmetterer, Klemens Fondi, Investigative ophthalmology & visual science . 2017,第2期

机译：双光束双向多普勒OCT评估弥漫性闪烁闪烁光对视网膜总血流的影响
2. Effect of Diffuse Luminance Flicker Light Stimulation on Total Retinal Blood Flow Assessed With Dual-Beam Bidirectional Doppler OCT [J] . Aschinger Gerold C., Schmetterer Leopold, Fondi Klemens, Investigative ophthalmology & visual science . 2017,第2期

机译：漫反射灯刺激对双梁双向双射掺单仪评估的总视网膜血流的影响
3. Total Retinal Blood Flow in a Nonhuman Primate Optic Nerve Transection Model Using Dual-Beam Bidirectional Doppler FD-OCT and Microsphere Method [J] . Reinhard Told, Lin Wang, Grant Cull, Investigative ophthalmology & visual science . 2016,第3期

机译：双光束双向多普勒FD-OCT和微球法在非人类灵长类动物视神经横断模型中的总视网膜血流
4. Rotational Dove Prism Scanning Dual Angle Doppler OCT [C] . Cedric Blatter, Severine Coquoz, Branislav Grajciar, Optical Coherence tomography and coherence domain optical methods in biomedicine XVII . 2013

机译：旋转鸽子棱镜扫描双角度多普勒OCT
5. Serviceability of Concrete Beams Reinforced with FRP and Concrete Prisms Prestressed with CFRP. [D] . Vogel, Hugues M. 2011

机译：FRP加固混凝土梁和CFRP预应力混凝土棱镜的使用寿命。
6. Blood flow velocity vector field reconstruction from dual-beam bidirectional Doppler OCT measurements in retinal veins [O] . Gerold C. Aschinger, Leopold Schmetterer, Veronika Doblhoff-Dier, 2015

机译：视网膜静脉中双束双向多普勒OCT测量的血流速度矢量场重建
7. Total Retinal Blood Flow in a Nonhuman Primate Optic Nerve Transection Model Using Dual-Beam Bidirectional Doppler FD-OCT and Microsphere Method [O] . Reinhard Told, Lin Wang, Grant Cull, 2016

机译：使用双光束双向多普勒FD-OCT和微球法中的非人类气神经转化模型中的总视网膜血流
8. Digital Beam Steering Device Based on Decoupled Birefringent Prism Deflector and Polarization Rotator [R] . Pishnyak, O. , Kreminska, L. , Laventovich, O. D. , 2004

机译：基于解耦双折射棱镜偏转器和偏振旋转器的数字光束控制装置

Dove prism based rotating dual beam bidirectional Doppler OCT

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