Design and optimization of a spectrometer for high-resolution SD-OCT

被引：4

作者：

Wang, Lulu ^{[1
]}

Yu, Xiaojun ^{[2
]}

Ge, Xin ^{[1
]}

Wu, Xuan ^{[1
]}

Wang, Xianghong ^{[1
]}

Bo, En ^{[1
]}

Wang, Nanshuo ^{[1
]}

Liu, Xinyu ^{[1
]}

Ni, Guangming ^{[3
]}

Liu, Linbo ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

[2] Northwestern Polytech Univ, Sch Automat, Xian 710072, Shaanxi, Peoples R China

[3] Univ Elect Sci & Technol China, Sch Optoelect Informat, Chengdu 610054, Sichuan, Peoples R China

来源：

LASER PHYSICS LETTERS | 2019年 / 16卷 / 04期

基金：

中国国家自然科学基金; 英国医学研究理事会; 新加坡国家研究基金会;

关键词：

optical coherence tomography; imaging systems; medical and biological imaging; medical optics instrumentation; OPTICAL COHERENCE TOMOGRAPHY; ULTRAHIGH-RESOLUTION; HIGH-SPEED;

D O I：

10.1088/1612-202X/ab0a5d

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the design of a high-efficiency spectrometer for high-resolution spectral-domain optical coherence tomography (SD-OCT). The advantages of the proposed spectrometer are two-fold: first, we use a concave mirror instead of a camera lens (as typically used) as the focusing optics to both improve the transmission efficiency and eliminate chromatic aberrations; second, the efficiency of the proposed spectrometer is approximately 1.23 times that of a refractive optics-based spectrometer for an SD-OCT system, with comparable ranging depth and axial resolution. Both theoretical analyses and imaging experiments were conducted to characterize and validate the performance of the proposed spectrometer.

引用

页数：6

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