Xiangming ZHANG, Fengze WU, Hongjun ZHAO, Gangyang HUI, Xiong YANG, Weiguang LIU, Yuegui LI, Cheng WANG. Research on precision calibration technology for focusable off-axis two-mirror optical system[J]. Journal of Applied Optics, 2024, 45(4): 858
- Journal of Applied Optics
- Vol. 45, Issue 4, 858 (2024)
Fig. 1. Adjustable off axis two mirror system diagram
Fig. 2. MTF diagram of secondary mirror focusing at infinity position and focusing 10mm position
Fig. 3. Flow chart
Fig. 4. Measured surface shape accuracy of primary and secondary mirrors
Fig. 5. Determination of linear guide rail motion axis
Fig. 6. Schematic diagram of main mirror debugging
Fig. 7. Schematic diagram of secondary mirror installation and adjustment
Fig. 8. Wavefront aberration measurement after initial adjustment of the primary and secondary mirrors
Fig. 9. Product assembly and final wave aberration diagram
Fig. 10. Resolution map of focusing at infinity and 10 mm .
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Table 1. Sensitivity matrix
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Table 2. Values of misalignment
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