This proceedings volume contains selected and expanded contributions presented at the 6th International Symposium of Space Optical Instruments and Applications, held in Delft, the Netherlands on Sep 24th-25th, 2019. The meeting was organized by the Sino-Holland Space Optical Instruments Joint Laboratory and supported by TU Delft. The symposium focused on key innovations of space-based optical instruments and applications, and the newest developments in theory, technology and applications in optics, in both China and Europe. It thus provided a platform for exchanges on the latest research and current and planned optical missions. The major topics covered in these conference proceedings are: space optical remote sensing system design; advanced optical system design and manufacturing; remote sensor calibration and measurement; remote sensing data processing and information retrieval; and remote sensing data applications.

Autorentext
Prof. Dr. Paul Urbach is head of the Optics Research Group of Delft University of Technology, the Netherlands, and former president and member of the executive committee of the European Optical Society. Research areas of his optics group include Integrated Photonics, Interferometry and Imaging, Diffraction Theory, Data Storage. Prof. Yu Qifeng is a full Professor at National University of Defense Technology (NUDT), China. He is the founder and chief scientist of Hunan Key Laboratory for Image Measurement and Vision Navigation. He graduated from Northwestern Polytechnical University and obtained his Master's degree from the Space Technology Department in NUDT. He earned his PhD at the Institute of Applied Laser Technology (BIAS), Bremen University, Germany. He was elected as Academician of Chinese Academy of Sciences (CAS) in 2009.

Inhalt
Current list of papers (still being compiled)

1. On-orbit data verification and application of FY-4A lightning imager
2. ON-ORBIT PERFORMANCE ANALYSIS OF GF5-AIUS INSTRUMENT
3. Research on Image Motion Measurement of the Space Camera Based on Optical Correlator method
4. THE GREEN HOUSE GAS INSTRUMENT
5. Research on the influence of connecting component on dynamic performance of space focusing platform
6. PAYLOAD CHARACTERISTICS AND PERFORMANCE VERIFICATION OF ATMOSPHERIC INFRARED ULTRA-SPECTRAL SPECTROMETER
7. LIGHTWEIGHT DESIGN OF A KIND OF PRIMARY MIRROR COMPONENT FOR SPACE TELESCOPE
8. Design of Compact Space Optical System with Large Relative Aperture and Large Field of View
9. A SPACEBORN CALIBRATION SPECTROMETER
10. An Aircraft Target Recognition Algorithm in Remote Sensing Images
11. VISIBLE AND NEAR INFRARED SPECTRAL CALIBRATION OF GREENHOUSE GAS MONITOR
12. AIR-PORTAL: SERVICE FOR URBAN AIR QUALITY MONITORING
13. Technical characteristics and application of visual and infrared multispectral Imager
14. Compact anastigmatic long-slit spectrometer for hyperspectral remote sensing
15. PHASE RETRIEVAL USING NEURAL NETWORKS
16. STRUCTURE FROM MOTION USING HOMOGRAPHY CONSTRAINTS FOR SEQUENTIAL AERIAL IMAGERY
17. SHE: AN EXOPLANET SURVEY PROJECT OF 60K TELESCOPE DOWNSIZE PROTOTYPE
18. ANALYSIS OF STRAY LIGHT FOR THE GREEN HOUSE GAS INSTRUMENT
19. Comparative Analysis of Extraction Accuracy of Fire Detection Algorithms in Northern of China