Peng-Yu KE, Meng-Xuan LIU, Xu-Quan WANG, Song-Lei HUANG, Yong-Gang ZHANG, Jia-Xiong FANG. Development of 512 × 2-element InGaAs spectral sensor IoT node[J]. Journal of Infrared and Millimeter Waves, 2021, 40(5): 582
- Journal of Infrared and Millimeter Waves
- Vol. 40, Issue 5, 582 (2021)
Fig. 1. Diagram of spectral node test system
Fig. 2. 512×2 InGaAs Spectral sensor：（a）The image of spectral sensor（b）Spectral sensor architecture
Fig. 3. Schematic of the optical configurations
Fig. 4. Schematic of the signal acquisition process
Fig. 5. Timing diagram of SITP 512×2 InGaAs detector
Fig. 6. Schematic of the experimental platform：1. Light source，2. Transmission sample tank，3. SRM2035a standard reference material，4. Beam expander，5. Spectral node
Fig. 7. Spectral-node response characteristics of the 1650 nm DFB laser
Fig. 8. Baseline stability test results of light source
Fig. 9. Spectral response curves of pixels and related wavelengths
Fig. 10. The absorbance curves of alcoholic beverages with different nominal concentrations were measured，
|
Table 1. Wavelength accuracy and repeatability test of SRM2035a
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20