Journal of Infrared and Millimeter Waves, Volume. 43, Issue 1, 126(2024)
Research on the stress defect detection of infrared material using differential frequency modulation with cascaded dual photoelastic modulators
Fig. 2. Digital phase lock result of modulation light signals(Without sample)
Fig. 3. Measurement results of 1/4 waveplate (a)amplitude of the harmonic terms,(b)fast axis azimuth,(c)retardance.
Fig. 4. stress birefringence retardation two-dimensional distribution of Ge sample (a) Ge sample, (b) results of stress birefringence retardation distribution
Fig. 5. stress birefringence retardation two-dimensional distribution of Ge sample after applying force (a) Ge sample, (b) results of stress birefringence retardation distribution
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Ke-Wu LI, Shuang WANG, Meng-Wei LI, Zhi-Bin WANG. Research on the stress defect detection of infrared material using differential frequency modulation with cascaded dual photoelastic modulators[J]. Journal of Infrared and Millimeter Waves, 2024, 43(1): 126
Category: Research Articles
Received: Aug. 6, 2023
Accepted: --
Published Online: Dec. 26, 2023
The Author Email: Shuang WANG (wangzhibin@nuc.edu.cn), Zhi-Bin WANG (wangzhibin@nuc.edu.cn)