High-precision pulsed laser ranging using CMOS single-photon avalanche diodes

被引：4

作者：

Hsu, Tsai-Hao ^{[1
]}

Liu, Chun-Hsien ^{[1
]}

Lin, Tzu-Ching ^{[1
]}

Sang, Tzu-Hsien ^{[1
]}

Tsai, Chia-Ming ^{[1
]}

Lin, Gray ^{[1
]}

Lin, Sheng-Di ^{[1
]}

机构：

[1] Natl Yang Ming Chiao Tung Univ, Inst Elect, 1001 Univ Rd, Hsinchu 30010, Taiwan

来源：

OPTICS AND LASER TECHNOLOGY | 2024年 / 176卷

关键词：

Time-of-flight method; Ranging precision; Single-photon avalanche diodes; CMOS technology; IMAGE SENSOR; TIME; SYSTEM; DESIGN;

D O I：

10.1016/j.optlastec.2024.110921

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a mu m-scale precision with a direct time-of-flight ranging module consisted of a single-photon avalanche diode (SPAD), a picosecond laser, and a high -resolution time -to -digital converter. A systematic study on factors including the target reflectance, the biased voltage of SPAD, the integration time, and the laser repetition rate is performed and their impact on the ranging precision is investigated. We find that the two parameters, the full-width at half maximum (FWHM) of the collected histogram and the effective integration time, play a deterministic role in ranging precision.

引用

页数：6

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