[PDF][PDF] 用于表面形貌测量的扫描白光干涉技术进展

苏榕, 刘嘉宇, 乔潇悦, 简振雄, 张政… - Laser & …, 2023 - researchgate.net
摘要扫描白光干涉术是目前最精确的表面形貌测量技术之一, 被广泛应用于工业与科研领域.
从发明至今的三十余年间, 在精密光学, 半导体, 汽车及航天等先进制造领域的需求牵引下 …

Transmission Mueller matrix imaging with spatial filtering

R Meng, C Shao, P Li, Y Dong, A Hou, C Li, L Lin… - Optics Letters, 2021 - opg.optica.org
In this Letter, we report a study on the effects of spatial filtering for a transmission Mueller
matrix imaging system. A spatial filter (SF) is placed on the back Fourier plane of the imaging …

Advances in Scanning White Light Interferometry for Surface Topography Measurement

R Su, J Liu, X Qiao, Z Jian, Z Zhang, R Wen… - Laser & …, 2023 - researching.cn
Scanning white light interferometry is one of the most accurate surface topography
measurement techniques. It is widely used in various industrial and scientific research fields …

Extracting focus variation data from coherence scanning interferometric measurements

J Liu, H Hooshmand, S Piano, R Leach, J Coupland… - Precision …, 2024 - Elsevier
Coherence scanning interferometry (CSI), based on the principle of interference, can
achieve sub-nanometer precision for height measurements. On the other hand, focus …

Portable angle-resolved scattering system to measure high spatial frequency roughness for ultra-smooth surfaces

Z Chen, Z Jian, C Chen, M Ren, R Su - Optics and Lasers in Engineering, 2024 - Elsevier
Ultra-smooth surfaces require stringent quality control of their high spatial frequency
roughness (HSFR). Angle-resolved scattering (ARS) allows for fast, non-contact roughness …

Defocus correction for angle-resolved scatterometry using waveguide-based surface plasmon resonance

D Yang, T Shu, L Li, W Shen, C Gui, Y Song - Optics & Laser Technology, 2024 - Elsevier
Abstract Angle-Resolved Scatterometry (ARS) enables the acquisition of images at the back
focal plane (BFP) of the objective lens. These images contain target geometry information …

Investigation of coherent Fourier scatterometry as a calibration tool for determination of steep side wall angle and height of a nanostructure

A Paul, J Rafighdoost, X Dou… - … Science and Technology, 2024 - iopscience.iop.org
Nanostructures with steep side wall angles (swa) play a pivotal role in various technological
applications. Accurate characterization of these nanostructures is crucial for optimizing their …

Optimal Configurations of Mueller Polarimeter for Gaussian–Poisson Mixed Noise

Z Hu, Q Zhao, H Ma - Applied Sciences, 2022 - mdpi.com
The accuracy of the Mueller polarimeter is usually affected by Gaussian–Poisson mixed
noise, and by optimizing the instrument matrices of polarization state generator and …

High-precision multi-sub-envelope zero-order pole-bias-compensation white-light interferometric topography measurement method

D Yao, HG Liang, D Tian, C Yan, L Meng, H Shen… - 2022 - researchsquare.com
The mZPBC white-light topography measurement method is proposed. In contrast with other
methods, this algorithm has a real physical model and directly solves the accurate …

Comparative analysis of grating reconstruction: deep learning versus Levenberg-Marquardt methods

L Fu, X Wang, K Frenner… - Modeling Aspects in …, 2023 - spiedigitallibrary.org
Model-based optical scatterometry is a widely utilized non-destructive measuring technique
in semiconductor manufacturing for retrieving features on wafers. It offers an attractive …