Orientation-dependant inclinometer based on intermodal coupling of two-LP-modes in a polarization-maintaining photonic crystal fiber

被引：24

作者：

Rong, Qiangzhou ^{[1
]}

Qiao, Xueguang ^{[1
]}

Guo, Tuan ^{[2
]}

Yang, Hangzhou ^{[1
]}

Du, Yanying ^{[1
]}

Su, Dan ^{[1
]}

Wang, Ruohui ^{[1
]}

Feng, Dingyi ^{[1
]}

Hu, Manli ^{[1
]}

Feng, Zhongyao ^{[1
]}

机构：

[1] NW Univ Xian, Dept Phys, Xian 710069, Peoples R China

[2] Jinan Univ, Inst Photon Technol, Guangzhou 510632, Guangdong, Peoples R China

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 15期

基金：

中国国家自然科学基金;

关键词：

BENDING-INDUCED BIREFRINGENCE; SINGLE-MODE FIBERS; SENSOR; INTERFEROMETER; MIRROR; LASER;

D O I：

10.1364/OE.21.017576

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A reflective optic-fiber orientation-dependant inclinometer, in which a short piece of polarization-maintaining photonic crystal fiber (PM-PCF) is spliced with a lead-in single mode fiber (SMF) without any offset, is proposed and experimentally demonstrated. The hollow holes within the PM-PCF are partly collapsed due to the directional arc-heating splicing and couple two linearly polarized (LP) modes into the downstream PM-PCF. Then two LP-modes are reflected at the end face of PM-PCF and recoupled back into the lead-in SMF again via the collapsed splicing cross section. A well-defined interference pattern is obtained as the result of polarized modes interference. Both orientation and sensitivity of bending is determined unambiguously with this compact PM-PCF configuration.

引用

页码：17576 / 17585

页数：10

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