High-accuracy source-independent radiometric calibration with low complexity for infrared photonic sensors.

ABSTRACT: Radiometric calibration (RC) is an essential solution to guarantee measurements from infrared photonic sensors with certain accuracy, the main task of which is to determine the radiometric responsivity of sensor and usually be solved by comparing with some radiation source (i.e., blackbody), called source-based RC (SBRC). In addition to the complexity in manufacture, the nonideal characteristics of an available source will inevitably introduce unexpected uncertainties to reduce the final calibration accuracy by around 0.2-0.5 K in SBRC. Therefore, we propose an original source-independent RC (SIRC) principle based on modeling instead of comparing for SBRC, where the incident background radiation to detector, as a dominated factor influencing the responsivity characteristics of a photonic s

SUBMITTER: Guo Q 

PROVIDER: S-EPMC8349907 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature