Pixel position recognition and imaging of MKID array based on LED dot matrix radiation

Qing Shi; Qiang Zhi; Zheng Wang; Jing Li; Sheng-Cai Shi

doi:10.1117/12.2606084

24 November 2021 Pixel position recognition and imaging of MKID array based on LED dot matrix radiation

Qing Shi, Qiang Zhi, Zheng Wang, Jing Li, Sheng-Cai Shi

Proceedings Volume 12069, AOPC 2021: Novel Technologies and Instruments for Astronomical Multi-Band Observations; 120690J (2021) https://doi.org/10.1117/12.2606084
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

Microwave kinetic inductance detectors (MKIDs) are promising low-temperature superconducting detectors because of high sensitivity, easy frequency-domain multiplexing (FDM) readout, and simple structure for large-format arrays. Each pixel of the MKID array is a microwave resonator, and the FDM technology makes the resonant frequencies of all resonators read out by one feedline. However, there are often crossovers, missing, and overlapping phenomena between resonance curves. As a prerequisite for imaging, it is necessary to confirm the correspondence between the resonance frequency point and the physical position of the pixel. In this paper, by designing and using an 8×8 LED dot matrix, a fast pixel recognition of an 8×8 MKID array is realized. In addition, the I-V characteristics of the AlGaInP red Light-emitting diode (LED) used in the experiment at different low temperatures are characterized. Finally, through the MKID that has achieved pixel positioning, and the image of LED multi-point lighting is obtained.

Citation Download Citation

Qing Shi, Qiang Zhi, Zheng Wang, Jing Li, and Sheng-Cai Shi "Pixel position recognition and imaging of MKID array based on LED dot matrix radiation", Proc. SPIE 12069, AOPC 2021: Novel Technologies and Instruments for Astronomical Multi-Band Observations, 120690J (24 November 2021); https://doi.org/10.1117/12.2606084

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KEYWORDS

Light emitting diodes

Sensors

Imaging arrays

LED lighting

Thermal effects

Light sources and illumination

Microwave radiation

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