A method of transmission efficiency and uniformity measurement for optical fiber image transmission component

Zhao Ran; Lin Mei; Zhenyu Zhou; Zhiwei Hong

doi:10.1117/12.2575003

5 November 2020 A method of transmission efficiency and uniformity measurement for optical fiber image transmission component

Zhao Ran, Lin Mei, Zhenyu Zhou, Zhiwei Hong

Author Affiliations +

Proceedings Volume 11568, AOPC 2020: Optics Ultra Precision Manufacturing and Testing; 1156808 (2020) https://doi.org/10.1117/12.2575003
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

A new method of transmission efficiency and uniformity measurement for optical fiber image transmission component(OFITC) in visible band is proposed. The ray which emitted from the light source is received by a brightness sensor chip, which can convert the rough brightness into the visual brightness of specific area by weighted calculation. The visual brightness matrices of the designated area before and after placing the OFITC are named S1 and S2, respectively. After filtering, the transmission efficiency of OFITC is the quotient of the average values of S1 and S2. In order to calculate the light uniformity, S2 is divided into four parts which are circles or rings. The average of variances of these parts is defined as the uniformity. The brightness sensor chip required by this method is customized according to the size of optical fiber image transmission element. The experimental results can confirm the validity of this measurement method. At last, criteria for transmission efficiency and uniformity evaluation are proposed, which can greatly reduce the judgment error, improve the testing efficiency and save the cost of detection.

Citation Download Citation

Zhao Ran, Lin Mei, Zhenyu Zhou, and Zhiwei Hong "A method of transmission efficiency and uniformity measurement for optical fiber image transmission component", Proc. SPIE 11568, AOPC 2020: Optics Ultra Precision Manufacturing and Testing, 1156808 (5 November 2020); https://doi.org/10.1117/12.2575003

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KEYWORDS

Visualization

Image transmission

Optical fibers

Sensors

Matrices

Light sources

Eye

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