On-chip Mach-Zehnder interferometer for OCT systems

被引：11

作者：

van Leeuwen, Ton G. ^{[1
]}

Akca, Imran B. ^{[1
,2
]}

Angelou, Nikolaos ^{[1
]}

Weiss, Nicolas ^{[1
]}

Hoekman, Marcel ^{[3
]}

Leinse, Arne ^{[3
]}

Heideman, Rene G. ^{[3
]}

机构：

[1] Univ Amsterdam, Acad Med Ctr, Biomed Engn & Phys, POB 22700, NL-1100 DE Amsterdam, Netherlands

[2] Vrije Univ Amsterdam, Dept Phys & Astron, Inst Lasers Life & Biophoton Amsterdam, De Boelelaan, Amsterdam, Netherlands

[3] LioniX Int BV, Enschede Al, Netherlands

来源：

ADVANCED OPTICAL TECHNOLOGIES | 2018年 / 7卷 / 1-2期

关键词：

Mach-Zehnder interferometer; on-chip; optical coherence tomography; silicon nitride;

D O I：

10.1515/aot-2017-0061

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

By using integrated optics, it is possible to reduce the size and cost of a bulky optical coherence tomography (OCT) system. One of the OCT components that can be implemented on-chip is the interferometer. In this work, we present the design and characterization of a Mach-Zehnder interferometer consisting of the wavelength-independent splitters and an on-chip reference arm. The Si3N4 was chosen as the material platform as it can provide low losses while keeping the device size small. The device was characterized by using a home-built swept source OCT system. A sensitivity value of 83 dB, an axial resolution of 15.2 mu m (in air) and a depth range of 2.5 mm (in air) were all obtained.

引用

页码：103 / 106

页数：4

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