Yue Wu, Jiaxiang Liu, Yonghua Fang, Min Yang. Wavelength Calibration of Infrared Spectrometer Based on Hollow Planar Waveguide[J]. Acta Optica Sinica, 2018, 38(11): 1130002
- Acta Optica Sinica
- Vol. 38, Issue 11, 1130002 (2018)
Fig. 1. Structural schematics of the hollow planar waveguide infrared spectrometer. (a) Schematic of beam propagation in space; (b) scheme of optical path design
Fig. 2. Flow chart of laboratory wavelength calibration
Fig. 3. Sketch map of laboratory wavelength calibration
Fig. 4. Physical map of wavelength calibration device in laboratory
Fig. 5. Relation of pixel and response at different wavelengths
Fig. 6. Fitting curves of wavelength calibration
Fig. 7. Fitting residual of wavelength calibration
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Table 1. Specific parameters of spectrometer
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Table 2. Parameters of PL2-M CO2 laser
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Table 3. Results of wavelength calibration
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Table 4. Calculation results of two fitting methods
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