Extended measuring depth dual-wavelength Fourier domain optical coherence tomography

被引：1

作者：

Al-Mohamedi, Haroun ^{[1
]}

Kelly-Perez, Ismael ^{[1
,2
]}

Oltrup, Theo ^{[3
]}

Cayless, Alan ^{[4
]}

Bende, Thomas ^{[3
]}

机构：

[1] Univ Klinikum Tubingen, Sekt Expt Ophthalmochirurg, Tubingen, Germany

[2] Univ Veracruzana, Dept Mech & Elect Engn, Xalapa, Veracruz, Mexico

[3] Univ Augenklin Tubingen, Stiftungslab Grundlagen Forsch, Tubingen, Germany

[4] Open Univ, Dept Phys Sci, Milton Keynes, Bucks, England

来源：

BIOMEDICAL ENGINEERING-BIOMEDIZINISCHE TECHNIK | 2021年 / 66卷 / 06期

关键词：

self-made human model eye; dual-wavelength; eye biometry; Fourier OCT; INTRAOCULAR-LENS POWER; TO-NOISE RATIO; SWEPT-SOURCE; LONG-RANGE; RESOLUTION; BIOMETRY; REPRODUCIBILITY; ACCOMMODATION; SENSITIVITY; CATARACT;

D O I：

10.1515/bmt-2020-0350

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

In this work an enhanced wide range dual band (SD-OCT) is presented to increase the depth and accuracy of the measurement of optical A-scan biometry. The setup uses a Michelson interferometer with two wide-spectrum Superluminescent Diodes (SLD). The emissions of the SLDs are filtered by a long-pass filter (900 nm) in front of the reference mirror. The light is spectrally decomposed using a single reflective diffraction grating (1,800 lines/mm) and the whole spectrum captured with two CCD line sensors. The capabilities of the system have been validated using a long-range.

引用

页码：557 / 562

页数：6

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