Jian SUN, Yutao FENG, Chenguang CHANG, Wei WANG, Juan LI, Bingliang HU. Stable Structure of a Near-infrared Doppler Asymmetric Spatial Heterodyne Interferometer[J]. Acta Photonica Sinica, 2023, 52(11): 1122001
- Acta Photonica Sinica
- Vol. 52, Issue 11, 1122001 (2023)
Fig. 1. Schematic diagram of the DASH interferometer technique
Fig. 2. Diagram of the DASH interferometer structure
Fig. 3. Optimization process of parameters
Fig. 4. DASH Interferometer
Fig. 5. Schematic showing geometry of the flexure
Fig. 6. Schematic illustration of the bonding surface bowing effect
Fig. 7. Surface shape cloud picture of the DASH interferometer assembly in near-infrared
Fig. 8. Vibration tesing of the DASH interferometer assembly in near-infrared
Fig. 9. Schematic of optical test before and after the tests
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Table 1. DASH interferometer design parameters
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Table 2. Natural frequencies in three directions.
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Table 3. Material properties
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Table 4. Natural frequencies of FEM in three directions
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Table 5. Random vibration test conditions
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Table 6. Stress of FEM
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Table 7. PV and RMS
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Table 8. Comparison of natural frequencies of modal analysis and test
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