Quantitative analysis of errors caused by vibration on polarization parametric indirect microscopic imaging system

Yu, F., Liu, J., Xiong, J., Xu, B., Hou, L. , Marsh, J. H. , Ni, B., Zhang, H., Shi, D. and Liu, X. (2021) Quantitative analysis of errors caused by vibration on polarization parametric indirect microscopic imaging system. Applied Optics, 60(8), pp. 2141-2149. (doi: 10.1364/AO.414609)

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Abstract

Vibrations cause many problems such as displacement, distortion, and defocusing in microscopic imaging systems. Because vibration errors are random in direction, amplitude, and frequency, it is not known which aspect of the image quality will be affected by these problems and to what extent. Polarization parametric indirect microscopic imaging (PIMI) is a technique that records polarization parameters in a conventional wide-field reflection microscope using polarization modulation of the illumination beam and additional data analysis of the raw images. This indirect imaging technique allows the spatial resolution of the system to be improved. Here, the influence of vibration on the image sharpness and spatial resolution of a PIMI system is analyzed theoretically and experimentally. Degradation in the sharpness of PIMI images is quantified by means of the modulation transfer function and deterioration in the effective spatial resolution by the Fourier ring correlation. These results show that the quality of PIMI images can be improved significantly using vibration isolation.

Item Type:Articles
Additional Information:This work was supported by the National Major Scientific Instruments and Equipment Development Project under Grant No.61827814, National Key Research and Development Program of China under Grant No.2017YFF0107100, the Fundamental Research Funds for the Central Universities under Grant No.30920010011 and the Ministry of Education collaborative project.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Marsh, Professor John and Hou, Dr Lianping
Authors: Yu, F., Liu, J., Xiong, J., Xu, B., Hou, L., Marsh, J. H., Ni, B., Zhang, H., Shi, D., and Liu, X.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Applied Optics
Publisher:Optical Society of America
ISSN:1559-128X
ISSN (Online):2155-3165
Published Online:02 March 2021
Copyright Holders:Copyright © 2021 Optical Society of America
First Published:First published in Applied Optics 60(8):2141-2149
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
302617Optically controlled THz phased array antennasJohn MarshEngineering and Physical Sciences Research Council (EPSRC)EP/R042578/1ENG - Electronics & Nanoscale Engineering