Stray light correction of array spectroradiometer in ultraviolet band using lasers and filters

Zhi-feng Wu; Cai-hong Dai; Ling Li; Yan-fei Wang; YuJiao Ruan

doi:10.1117/12.2284310

24 October 2017 Stray light correction of array spectroradiometer in ultraviolet band using lasers and filters

Zhi-feng Wu, Cai-hong Dai, Ling Li, Yan-fei Wang, YuJiao Ruan

Proceedings Volume 10462, AOPC 2017: Optical Sensing and Imaging Technology and Applications; 104621Z (2017) https://doi.org/10.1117/12.2284310
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

Stray light due to the array spectroradiometer characteristic can’t be ignored in the ultraviolet region. In order to obtain a true spectral power distribution, stray light correction must be considered. Array spectraradiometer covering 200nm- 460nm is investigated using lasers and filters. First, several lasers are measured using the array spectroradiometer. Due to the fact that the wavelengths of the lasers are beyond the capabilities of the spectroradiometer, the response in the UV region is originated from stray light. Results show that the stray light contribution is at the level around 2×10^-5. In order to correct the stray light, filters with different bandpass wavelength are used to correct the stray light from different wavelength region. Results show stray light consistency using lasers and filters.

Citation Download Citation

Zhi-feng Wu, Cai-hong Dai, Ling Li, Yan-fei Wang, and YuJiao Ruan "Stray light correction of array spectroradiometer in ultraviolet band using lasers and filters", Proc. SPIE 10462, AOPC 2017: Optical Sensing and Imaging Technology and Applications, 104621Z (24 October 2017); https://doi.org/10.1117/12.2284310

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