Current Status of Infrared Technology

Tsunawaki, Yoshiaki; Hangyo, Masanori; Hiromoto, Norihisa; Horinaka, Hiromichi

doi:10.1541/ieejfms.127.369

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2022

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“…In addition to UV detection, Ir sensing is another interesting research topic in optical sensing because of its wide applications, such as telecommunication [8], food industries [9], and wood science [10]. A region near Ir has larger energy than that of silicon's E g of 1.12 eV; therefore, it can be detected using the silicon-based technology.…”

Section: Introductionmentioning

confidence: 99%

Standard CMOS Process Integrated Silicon-Based Ultraviolet-Infrared Complementary Sensor

2022

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This study proposes a new ultraviolet-infrared (UV-Ir) compatible sensor fabricated using the standard CMOS process. The concept is verified through a numerical simulation, wherein the standard CMOS process parameters used are evaluated. The proposed sensor is an extension of a previously proposed RGB sensor designed on the standard CMOS process, and calculating the current ratio enables the detection of UV with high sensitivity. In addition, the use of current rectification eliminates the short to middle wavelength region and leaves only the Ir region which is used for detection. High dynamic ranges of 160 dB are ensured for all UV, Ir and RGB which they are excellent for color sensing. Consequently, combined with the previously proposed RGB sensing, the new RGB+UV+Ir sensor is realized without any filters.

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Section: Introductionmentioning

confidence: 99%