• Acta Optica Sinica
  • Vol. 38, Issue 6, 0601001 (2018)
Xuejing Fang1、2、3, Haiyan Luo1、3, Hailiang Shi1、3, Zhiwei Li1、3, Guangxiao Hu1、2、3, Wei Jin1、2、3, Jicheng Zhang1、2、3, and Wei Xiong1、2、3、*
Author Affiliations
  • 1 Anhui Institute of Optics and Fine Mechanics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2 University of Science and Technology of China, Hefei, Anhui 230026, China
  • 3 Key Laboratory of Optical Calibration and Characterization of Chinese Academy of Sciences, Hefei, Anhui 230031, China
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    DOI: 10.3788/AOS201838.0601001 Cite this Article Set citation alerts
    Xuejing Fang, Haiyan Luo, Hailiang Shi, Zhiwei Li, Guangxiao Hu, Wei Jin, Jicheng Zhang, Wei Xiong. High Resolution Ultraviolet Direct Solar Spectrum Measurement Based on Spatial Heterodyne Spectroscopy[J]. Acta Optica Sinica, 2018, 38(6): 0601001 Copy Citation Text show less
    Structure schematic diagram of SHS
    Fig. 1. Structure schematic diagram of SHS
    Schematic diagram of layered imaging of SHS
    Fig. 2. Schematic diagram of layered imaging of SHS
    Schematic diagram of limb mode geometry
    Fig. 3. Schematic diagram of limb mode geometry
    OH A2∑+-X2Π (0,0) allowed transition diagram
    Fig. 4. OH A2∑+-X2Π (0,0) allowed transition diagram
    Ultra-spectral resolution spectrometer for mesospheric OH radical for sun-observing system
    Fig. 5. Ultra-spectral resolution spectrometer for mesospheric OH radical for sun-observing system
    (a) Original interferogram; (b) original row interferogram and row interferogram after removing dark current and baseline
    Fig. 6. (a) Original interferogram; (b) original row interferogram and row interferogram after removing dark current and baseline
    (a)Spectrum before calibration; (b)spectrum after calibration
    Fig. 7. (a)Spectrum before calibration; (b)spectrum after calibration
    Solar spectrum
    Fig. 8. Solar spectrum
    Comparison between measurement and simulation
    Fig. 9. Comparison between measurement and simulation
    ParameterPerformance index
    Spectral range /nm308.2-309.8
    Spectral resolution /nm0.00825
    Spectral stability /nm0.005
    Field of view /(°)2(35 split-field of view)
    Signal to noise ratio100-200
    Observe modeLimb
    Profile resolution /km2
    Table 1. Major performance indexes of ultra-spectral resolution spectrometer for mesospheric OH radicals
    ParameterPerformance index
    Time2017-09-25T11:30:00
    Latitude, longitude31°54'N,117°09'E
    Solar zenith angle45.07°
    Solar azimuth angle171.26°
    WeatherClear sky
    Table 2. Experiment parameters
    ParameterPerformance index
    Spectral range /nm308.2-309.8
    Spectral step /nm0.0001
    Half width at half maximum of ILS /nm0.0041
    Solar zenith angle /(°)45.07
    Solar azimuth angle /(°)171.26
    Observe modeZenith
    Atmospheric modelBremen 2D model
    Atmospheric profiles databaseSCIATRAN Database in October at 30°N
    Latitude, longitude31°54'N,117°09'E
    Boundary layer aerosol typeRural
    Table 3. Main setting in radiative transfer model
    Xuejing Fang, Haiyan Luo, Hailiang Shi, Zhiwei Li, Guangxiao Hu, Wei Jin, Jicheng Zhang, Wei Xiong. High Resolution Ultraviolet Direct Solar Spectrum Measurement Based on Spatial Heterodyne Spectroscopy[J]. Acta Optica Sinica, 2018, 38(6): 0601001
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