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Influence of angle misalignment on detection polarization coupling in white light interferometer
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Zhang, Hongxia, Xu, Tianhua, Jing, Wencai, Jia, Dagong, Zhang, Yimo, Feng, Tang, Liu, Kun and Zhang, Yimo (2007) Influence of angle misalignment on detection polarization coupling in white light interferometer. In: SPIE Photonics Asia Conference 2007 , Beijing, China, 11-15 Nov 2007. Published in: Proceedings of SPIE - International Society for Optical Engineering, 6829 68290E. doi:10.1117/12.756567 ISSN 0277-786X.
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WRAP-influence-angle-misalignment-detection-polarization-coupling-Xu-2007.pdf - Accepted Version - Requires a PDF viewer. Download (577Kb) | Preview |
Official URL: http://dx.doi.org/10.1117/12.756567
Abstract
A white light interferometer is designed to measure the distributed polarization coupling (DPC) in polarization-maintaining fiber (PMF). By using a Michelson interferometer to compensate the optical path difference induced by the modal birefringence of PMF, both the coupling strength and position of the coupling point can be acquired. The two reflective mirrors on the fixed and scanning arms should be vertical to each other. But in practice, the movable reflective mirror can’t be vertically aligned exactly to the fixed mirror, which would lead to angle misalignment. The angle misalignment would induce the variance of the optical path difference (OPD), which would reduce the fringe visibility. Finally, the angle error would lead to a decrease on the signal noise ratio (SNR) and miscalculation of the polarization coupling intensity. The angle misalignment and diameter of the incident light beam both have an effect on the fringe visibility. The simulation results show that the requirement of angle error becomes stricter with the increasing of the light beam diameter. To decrease the angle misalignment, the two plane reflective mirrors should be replaced with the corner cube prisms. A revised coupling strength calculation equation was proposed to minimize the influence of angle misalignment.
Item Type: | Conference Item (Paper) | |||||||||
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Subjects: | Q Science > QC Physics T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||
Library of Congress Subject Headings (LCSH): | Interferometers, Single-mode optical fibers | |||||||||
Journal or Publication Title: | Proceedings of SPIE - International Society for Optical Engineering | |||||||||
Publisher: | S P I E - International Society for Optical Engineering | |||||||||
ISSN: | 0277-786X | |||||||||
Book Title: | Advanced Materials and Devices for Sensing and Imaging III | |||||||||
Official Date: | 2007 | |||||||||
Dates: |
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Volume: | 6829 | |||||||||
Page Range: | 68290E | |||||||||
DOI: | 10.1117/12.756567 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||
Date of first compliant deposit: | 16 November 2017 | |||||||||
Date of first compliant Open Access: | 16 November 2017 | |||||||||
RIOXX Funder/Project Grant: |
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Conference Paper Type: | Paper | |||||||||
Title of Event: | SPIE Photonics Asia Conference 2007 | |||||||||
Type of Event: | Conference | |||||||||
Location of Event: | Beijing, China | |||||||||
Date(s) of Event: | 11-15 Nov 2007 |
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