An insight into optical metrology in manufacturing

Y Shimizu, LC Chen, DW Kim, X Chen… - Measurement …, 2021 - iopscience.iop.org
Optical metrology is one of the key technologies in today's manufacturing industry. In this
article, we provide an insight into optical measurement technologies for precision …

Laser interference lithography for fabrication of planar scale gratings for optical metrology

Y Shimizu - Nanomanufacturing and Metrology, 2021 - Springer
Laser interference lithography is an attractive method for the fabrication of a large-area two-
dimensional planar scale grating, which can be employed as a scale for multi-axis optical …

Polarized holographic lithography system for high-uniformity microscale patterning with periodic tunability

G Xue, Q Zhai, H Lu, Q Zhou, K Ni, L Lin… - Microsystems & …, 2021 - nature.com
Periodic microscale array structures play an important role in diverse applications involving
photonic crystals and diffraction gratings. A polarized holographic lithography system is …

Optical sensors for multi-axis angle and displacement measurement using grating reflectors

Y Shimizu, H Matsukuma, W Gao - Sensors, 2019 - mdpi.com
In dimensional metrology it is necessary to carry out multi-axis angle and displacement
measurement for high-precision positioning. Although the state-of-the-art linear …

[HTML][HTML] A review: Laser interference lithography for diffraction gratings and their applications in encoders and spectrometers

L Luo, S Shan, X Li - Sensors, 2024 - mdpi.com
The unique diffractive properties of gratings have made them essential in a wide range of
applications, including spectral analysis, precision measurement, optical data storage, laser …

[HTML][HTML] Design and evaluation of an integrated scanning laser triangulation sensor

J Schlarp, E Csencsics, G Schitter - Mechatronics, 2020 - Elsevier
This work presents the design, simulation, control and experimental result of an optical
scanning laser sensor for 3D imaging. The system design satisfies the Scheimpflug …

Patterning nanoscale crossed grating with high uniformity by using two-axis Lloyd's mirrors based interference lithography

G Xue, H Lu, X Li, Q Zhou, G Wu, X Wang, Q Zhai… - Optics express, 2020 - opg.optica.org
A two-axis Lloyd's mirrors interferometer based optical fabrication system was theoretically
investigated and constructed for patterning high-uniformity nanoscale crossed grating …

An orthogonal type two-axis Lloyd's mirror for holographic fabrication of two-dimensional planar scale gratings with large area

X Li, H Lu, Q Zhou, G Wu, K Ni, X Wang - Applied Sciences, 2018 - mdpi.com
In this paper, an orthogonal type two-axis Lloyd's mirror interference lithography technique
was employed to fabricate two-dimensional planar scale gratings for surface encoder …

Holographic fabrication of an arrayed one-axis scale grating for a two-probe optical linear encoder

X Li, Q Zhou, X Zhu, H Lu, L Yang, D Ma, J Sun, K Ni… - Optics express, 2017 - opg.optica.org
We present a method for the fabrication of an arrayed one-axis scale grating for a two-probe
optical linear encoder using a dual-beam interference lithography (IL) system with a …

Design and testing of a compact non-orthogonal two-axis Lloyd's mirror interferometer for fabrication of large-area two-dimensional scale gratings

Y Shimizu, R Aihara, K Mano, C Chen, YL Chen… - Precision …, 2018 - Elsevier
A compact and stable two-axis Lloyd's mirror interferometer based on a new non-orthogonal
type of mirror-substrate assembly is designed for fabrication of 100 mm× 100 mm large-area …