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Superimposed multi-harmonic interference frequency and phase measurements based on non-synchronous sampling quantization and all-phase spectrum correction
L Chang, J Gao, F Zhuang, Y Yu, Y Wang - Measurement, 2024 - Elsevier
As a non-destructive detection technique for measuring parallel transparent optics,
wavelength-shifting interferometry provides a separation basis for multiple measured …
wavelength-shifting interferometry provides a separation basis for multiple measured …
Multi-parameter reconstruction of interference harmonics by effective tuning combination selection and sampling boundary fitting
L Chang, Q Shen, J Gao, Y Cao, J Min, Y Yu - Optics & Laser Technology, 2025 - Elsevier
To efficiently and accurately realize four-surface measurements with flexible cavity lengths
and sampling frequencies, a wavelength-tuning phase-shifting matching algorithm based on …
and sampling frequencies, a wavelength-tuning phase-shifting matching algorithm based on …
Multi-Superposed harmonic reconstruction using effective tuning combination of interference cavities and enhanced Fourier spectral analysis
L Chang, Q Shen, Q Zhang, F Zhuang, Y Cao, J Min… - Measurement, 2025 - Elsevier
To obtain the distribution of front/rear surfaces, thickness variation, and refractive index
inhomogeneity of transparent parallel optics at non-rigorous cavity lengths and sampling …
inhomogeneity of transparent parallel optics at non-rigorous cavity lengths and sampling …
Frequency-scanning interferometry for depth map** using the Fabry–Perot cavity as a reference with compensation for nonlinear optical frequency scanning
Z Deng, Z Liu, S Gu, X Jia, W Deng - Optics Communications, 2020 - Elsevier
High-precision measurements of the surface depth map represent a challenging task in
many industrial sectors. In this study, we present a simple frequency scanning interferometry …
many industrial sectors. In this study, we present a simple frequency scanning interferometry …
Demodulation of interferometry parameters with multiple-harmonic superposition based on the DTFT and semi-blind spectral analysis
L Chang, J Gao, Y Wang, Y Zhou, Y Yu - Measurement, 2024 - Elsevier
The core issue of multi-surface wavelength-shifting interferometry at free cavity lengths is
mainly centered on adaptively matching the tuning step. To avoid harmonic aliasing and …
mainly centered on adaptively matching the tuning step. To avoid harmonic aliasing and …
相衬光学相干层析在无损检测领域的应用
谢胜利， 廖文建， 白玉磊， 梁勇， 董博 - 广东工业大学学报, 2021 - xbzrb.gdut.edu.cn
光学相干层析(Optical Coherence Tomography, OCT) 作为一种具有微米级分辨率和毫米级
量程的层析成像技术, 可用于透明/半透明物体(如聚合物材料, 陶瓷材料, 复合材料等) …
量程的层析成像技术, 可用于透明/半透明物体(如聚合物材料, 陶瓷材料, 复合材料等) …
Spherical aberration coefficients identification of spherical aberration interferograms based on deep learning algorithm
Y Yu, LI Jiaxing - Sixth International Conference on Optical …, 2018 - spiedigitallibrary.org
In the field of optical measurement, the spherical aberration always causes a circular
speckle which is symmetrical to the optic axis on interferograms and it can even blur the …
speckle which is symmetrical to the optic axis on interferograms and it can even blur the …