Hongchao WANG, Jiqiang WANG, Bin WU, Jingsong LI, Hongyuan LIU, Facai ZHAO, Chengping YING. Modulation Transfer Function Testing Technology of Ultraviolet Focal Plane Arrays Device[J]. Acta Photonica Sinica, 2021, 50(12): 1204002
- Acta Photonica Sinica
- Vol. 50, Issue 12, 1204002 (2021)
Fig. 1. Calculation procedure of MTF obtained from knife edge scanning method
Fig. 2. Schematic of MTF measurement of ultraviolet focal plane arrays
Fig. 3. Optical path of SW-Cassegrain reflective optical system
Fig. 4. Spot diagram of SW-Cassegrain reflective optical system at different field of view
Fig. 5. Comparison between measured and theoretical MTF data of knife-edge imaging optical system
Fig. 6. Theoretical design MTF value of knife-edge imaging optical system at different wavelengths
Fig. 7. UV FPA under test
Fig. 8. Lorentzian fit of area value under MTF curve at different positions
Fig. 9. Data processing of ESF curve
Fig. 10. Repeated MTF measurement results
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