Xiaoxiao WEI, Zhenlei WANG, Jiaxin WANG, Zhenqiu DAI. Research on the application of circular off-field instantaneous photoelastic phaseshift splicing measurement based on ultra-depth of field algorithm[J]. Optical Instruments, 2024, 46(6): 42
- Optical Instruments
- Vol. 46, Issue 6, 42 (2024)
Fig. 1. Schematic diagram of instantaneous photoelastic method of circular off-field over depth of field
Fig. 2. Experimental results of ultra-depth field algorithm
Fig. 3. Equipment structure diagram
Fig. 4. Single field ultra depth of field diagram（left）Splicing path diagram（right）
Fig. 5. Splicing schematic
Fig. 6. Stress values under different focusing states
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Table 1. Comparison of stress images
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