Optical wafer defect inspection at the 10 nm technology node and beyond

J Zhu, J Liu, T Xu, S Yuan, Z Zhang… - … Journal of Extreme …, 2022 - iopscience.iop.org
The growing demand for electronic devices, smart devices, and the Internet of Things
constitutes the primary driving force for marching down the path of decreased critical …

Phase Shifting Approaches and Multi-Channel Interferograms Position Registration for Simultaneous Phase-Shifting Interferometry: A Review

F Bai, J Lang, X Gao, Y Zhang, J Cai, J Wang - Photonics, 2023 - mdpi.com
Simultaneous phase-shifting interferometry (SPSI) can simultaneously obtain multiple phase-
shifted interferograms and can realize the dynamic wavefront measurement with the use of a …

Whistling of deep cavities subject to turbulent grazing flow: intermittently unstable aeroacoustic feedback

C Bourquard, A Faure-Beaulieu… - Journal of Fluid …, 2021 - cambridge.org
In this work, the classic problem of the aeroacoustic instability occurring in deep cavities
subject to a low-Mach grazing flow is revisited experimentally and theoretically. This …

Phase-shifting interferometry from single frame in-line interferogram using deep learning phase-shifting technology

Q Zhang, S Lu, J Li, D Li, X Lu, L Zhong, J Tian - Optics Communications, 2021 - Elsevier
Phase-shifting interferometry is a highly accurate phase measurement technology. Its
application in dynamic phase measurement is limited by the recording process of multiple …

[HTML][HTML] Low-noise optical measurement of sound using midfringe locked interferometer with differential detection

K Ishikawa, Y Shiraki, T Moriya, A Ishizawa… - The Journal of the …, 2021 - pubs.aip.org
A midfringe locked interferometer with differential detection is proposed for non-contact
optical sound measurement, and the equivalent noise level of approximately 0 dB SPL/Hz is …

Real-time audio detection and regeneration of moving sound source based on optical flow algorithm of laser speckle images

N Wu, S Haruyama - Optics Express, 2020 - opg.optica.org
Sound detection with optical means is an appealing research topic. In this manuscript, we
proposed a laser microphone system allowing simultaneous detection and regeneration of …

High-speed imaging of the sound field by parallel phase-shifting digital holography

Y Takase, K Shimizu, S Mochida, T Inoue, K Nishio… - Applied …, 2021 - opg.optica.org
Sound field imaging techniques have been found very useful for acoustic designs. Building
on this idea, innovative techniques are needed and presented in this paper, where we report …

Dynamic quantitative phase microscopy: a single-shot approach using geometric phase interferometry

A Espinosa-Momox, B Norton… - Communications …, 2024 - nature.com
There is a significant gap in cost-effective quantitative phase microscopy (QPM) systems for
studying dynamic cellular processes while maintaining accuracy for long-term cellular …

Sound wave detection by common-path digital holography

SK Rajput, O Matoba, M Kumar, X Quan… - Optics and Lasers in …, 2021 - Elsevier
The sound wave has been recorded and visualized by optical means such as digital
holography (DH), where light wave carries the sound information. However, in DH, an …

[HTML][HTML] Seeing the sound of castanets: Acoustic resonances between shells captured by high-speed optical visualization with 1-mm resolution

K Ishikawa, K Yatabe, Y Oikawa - The Journal of the Acoustical Society …, 2020 - pubs.aip.org
Sound fields radiated from the castanet, a Spanish percussive instrument comprising two
shells, were optically visualized. A measurement system, which used parallel phase-shifting …