Calibration for single multi-mode fiber digital scanning microscopy imaging system

Zhe Yin; Guodong Liu; Bingguo Liu; Yu Gan; Zhitao Zhuang; Fengdong Chen

doi:10.1117/12.2214129

5 November 2015 Calibration for single multi-mode fiber digital scanning microscopy imaging system

Zhe Yin, Guodong Liu, Bingguo Liu, Yu Gan, Zhitao Zhuang, Fengdong Chen

Proceedings Volume 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015; 979512 (2015) https://doi.org/10.1117/12.2214129
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held June-July 2015, 2015, Hefei, Suzhou, and Harbin, China

Abstract

Single multimode fiber (MMF) digital scanning imaging system is a development tendency of modern endoscope. We concentrate on the calibration method of the imaging system. Calibration method comprises two processes, forming scanning focused spots and calibrating the couple factors varied with positions. Adaptive parallel coordinate algorithm (APC) is adopted to form the focused spots at the multimode fiber (MMF) output. Compare with other algorithm, APC contains many merits, i.e. rapid speed, small amount calculations and no iterations. The ratio of the optics power captured by MMF to the intensity of the focused spots is called couple factor. We setup the calibration experimental system to form the scanning focused spots and calculate the couple factors for different object positions. The experimental result the couple factor is higher in the center than the edge.

Citation Download Citation

Zhe Yin, Guodong Liu, Bingguo Liu, Yu Gan, Zhitao Zhuang, and Fengdong Chen "Calibration for single multi-mode fiber digital scanning microscopy imaging system", Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 979512 (5 November 2015); https://doi.org/10.1117/12.2214129

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KEYWORDS

Calibration

Spatial light modulators

Imaging systems

Multimode fibers

Charge-coupled devices

Reflectivity

Microscopy

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