Development of an optical instrument for the observation of neutral winds in earth's upper atmosphere / von Daikang Wei. Wuppertal, 2020
Content
- Introduction
- Background
- Horizontal Wind Model
- Atomic Oxygen Red Line Emission
- Optical Passive Detection Technique in the Atmosphere
- Fabry-Perot Interferometer
- Michelson Interferometer
- Spatial Heterodyne Interferometer
- Doppler Asymmetric Spatial Heterodyne Interferometer
- Research Objective and Instrument Requirements
- Motivation
- Outline
- Instrument Principle
- DASH Instrument Concept
- Derivation of Wind Velocity
- Derivation of Doppler Temperature
- Determination of Phase Change
- Choice of Window Function
- Thermal-drift Calibration
- Instrument Response
- Estimation of Detected Signal
- Noise Propagation
- Characterization of Detector
- Analysis of Signal to Noise Ratio
- Instrument Design
- DASH Interferometer Design
- Components
- Choice of Littrow Wavelength
- Choice of OPD Offset
- Thermal Compensation
- Field Widening
- Configuration Optimization
- Camera Optics
- Interferogram Analysis
- Instrument Performance Model
- Instrument Development
- Angle Tolerance and Alignment Error
- Monolithic DASH Interferometer Assembly
- Property Characterization
- Interferogram Correction
- Spike and Defect Removal
- Dark Current and Signal Offset Correction
- Flat-field Correction
- Phase-distortion Correction
- Thermal Performance
- Laboratory Doppler Measurements
- Instrument Field Tests
- Summary
- Appendix Interferogram Modeling
- Appendix Instrument Design
- Diffraction Grating
- Spectrum of Neon Lamp
- Bandpass Filter
- Temperature Dependence of the Refractive Index
- OPD Difference in a DASH Interferometer
- Paraxial Optics and Third-order Aberrations
- Appendix Instrument Development
- Acknowledgements
- Acronyms
- List of Symbols
- List of Figures
- List of Tables
- Bibliography