Study of the converter based on photonic crystals filters and quantum dots for solar blind ultraviolet imaging system

Xiaodan Zhao; Yibiao Yang; Yuncai Wang; Yuying Hao; Zhihui Chen; Mingda Zhang

doi:10.1117/1.OE.57.11.117106

15 November 2018 Study of the converter based on photonic crystals filters and quantum dots for solar blind ultraviolet imaging system

Xiaodan Zhao, Yibiao Yang, Yuncai Wang, Yuying Hao, Zhihui Chen, Mingda Zhang

Author Affiliations +

Optical Engineering, Vol. 57, Issue 11, 117106 (November 2018). https://doi.org/10.1117/1.OE.57.11.117106

Abstract

Miniaturization and high accuracy are the future directions of the solar-blind ultraviolet imaging system. Based on the principle of quantum dot photoluminescence and one-dimensional photonic crystal, we design an ultraviolet–visible spectral converter for an ultraviolet imaging system. In addition to the advantages of small size, high precision, and low-voltage power requirement, our design avoids the use of image intensifiers and light-cone couples. We propose three stacks of photonic crystals structures, which provide band-pass in the solar-blind range and a wide stopband in the visible range. This structure has a local effect on the excitation light of the quantum dots and can effectively enhance the brightness. The spectral converter utilizes the light-to-light conversion, which breaks away from the photoelectric conversion mode of the past and puts forward ideas for the future development.

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Xiaodan Zhao, Yibiao Yang, Yuncai Wang, Yuying Hao, Zhihui Chen, and Mingda Zhang "Study of the converter based on photonic crystals filters and quantum dots for solar blind ultraviolet imaging system," Optical Engineering 57(11), 117106 (15 November 2018). https://doi.org/10.1117/1.OE.57.11.117106

Received: 4 June 2018; Accepted: 26 October 2018; Published: 15 November 2018

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