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Proceedings Paper

Research on virtual pinhole parameters optimization in laser differential confocal theta microscope
Author(s): Xiangye Zhao; Yun Wang; Lirong Qiu; Weiqian Zhao; Ke Zhu
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Paper Abstract

Differential confocal theta microscope (DCTM) which has high axial resolution, provides a feasible tool for precise measurement. The virtual pinhole detection technology can significantly simplify the optical path alignment, and enhance imaging quality of the system by optimizing virtual pinhole parameters. Based on the imaging principle of DCTM, a new method for automatic adjusting and optimizing virtual pinhole parameters is presented according to the position and size of the imaging spot, which eliminate the influence caused by the deformation and shifting of imaging spot and ensure the axial resolution. The theoretical analyses and experimental results show that optimizing virtual pinhole parameters can guarantee the axial resolution and signal-to-noise ratio as well as effectively improve the imaging quality of DCTM.

Paper Details

Date Published: 10 February 2017
PDF: 5 pages
Proc. SPIE 10250, International Conference on Optical and Photonics Engineering (icOPEN 2016), 102501Y (10 February 2017); doi: 10.1117/12.2266831
Show Author Affiliations
Xiangye Zhao, Beijing Institute of Technology (China)
Yun Wang, Beijing Institute of Technology (China)
Lirong Qiu, Beijing Institute of Technology (China)
Weiqian Zhao, Beijing Institute of Technology (China)
Ke Zhu, Institute of Physics (China)


Published in SPIE Proceedings Vol. 10250:
International Conference on Optical and Photonics Engineering (icOPEN 2016)
Anand Krishna Asundi; Xiyan Huang; Yi Xie, Editor(s)

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