[HTML][HTML] Transport of intensity equation: a tutorial

C Zuo, J Li, J Sun, Y Fan, J Zhang, L Lu… - Optics and Lasers in …, 2020 - Elsevier
When it comes to “phase measurement” or “quantitative phase imaging”, many people will
automatically connect them with “laser” and “interferometry”. Indeed, conventional …

基于光强传输方程的非干涉相位恢复与定量相位显微成像: 文献综述与最新进展

左超, 陈钱, 孙佳嵩 - Chinese Journal of Lasers, 2016 - opticsjournal.net
摘要相位恢复与定量相位成像是光学测量与成像技术领域的一个重要课题. 传统干涉测量法依赖
高度相干光源的干涉叠加, 干涉装置复杂, 测量环境要求苛刻, 引入的散斑噪声极大地限制了传统 …

Phase retrieval with the transport-of-intensity equation in an arbitrarily shaped aperture by iterative discrete cosine transforms

L Huang, C Zuo, M Idir, W Qu, A Asundi - Optics letters, 2015 - opg.optica.org
A transport-of-intensity equation (TIE)-based phase retrieval method is proposed with putting
an arbitrarily shaped aperture into the optical wavefield. In this arbitrarily shaped aperture …

Transport of intensity phase imaging in the presence of curl effects induced by strongly absorbing photomasks

A Shanker, L Tian, M Sczyrba, B Connolly… - Applied …, 2014 - opg.optica.org
We report theoretical and experimental results for imaging of electromagnetic phase edge
effects in lithography photomasks. Our method starts from the transport of intensity equation …

Phase imaging for absorptive phase objects using hybrid uniform and structured illumination transport of intensity equation

Y Zhu, Z Zhang, G Barbastathis - Optics express, 2014 - opg.optica.org
Transport of intensity equation (TIE) has been a popular and convenient phase imaging
method that retrieves phase profile from the measurement of intensity differentials …

Absorber topography dependence of phase edge effects

A Shanker, M Sczyrba, B Connolly… - Photomask …, 2015 - spiedigitallibrary.org
Mask topography contributes to phase at the wafer plane, even for OMOG binary masks
currently in use at the 22nm node in deep UV (193nm) lithography. Here, numerical …

Characterizing the dependence of thick-mask edge effects on illumination angle using AIMS images

A Shanker, M Sczyrba, F Lange… - Optical …, 2015 - spiedigitallibrary.org
Mask topography contributes diffraction-induced phase near edges, affecting the through-
focus intensity variation and hence the process window at the wafer. We analyze the impact …

[PDF][PDF] Inverse image modeling for defect detection and optical system characterization

D Xu - 2016 - opus4.kobv.de
Optical projection lithography is the predominant microlithography technique that is used in
the semiconductor fabrication process. It uses light to transfer the information from a …

Recovering curl using an iterative solver for the transport of intensity equation

A Shanker, L Tian, M Sczyrba, B Connolly… - Imaging Systems and …, 2015 - opg.optica.org
Recovering Curl Using an Iterative Solver for the Transport of Intensity Equation Page 1
ITH2A.5.pdf Imaging and Applied Optics © 2015 OSA Recovering Curl Using an Iterative …

Speckle metrology for extreme ultra-violet lithography

A Shanker, L Waller, G Gunjala… - Extreme Ultraviolet …, 2018 - spiedigitallibrary.org
Stochastic effects in extreme ultraviolet lithography are contributed by the EUV optical
speckle and diffusion chemistry of the photoresist. These cause line edge roughness (LER) …