Novel nano-scale absolute linear displacement measurement based on grating projection imaging
Sign Up to like & getrecommendations! Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2021.109738
Abstract: Abstract There is urgent demand for new absolute Linear Displacement Measurement (LDM) technology with high resolution and high precision, during the development of high-end numerical control technology. In previous research, we found that displacement measurement… read more here.
Keywords: linear displacement; measurement based; absolute linear; based grating ... See more keywords
In Situ Testing Method for Laser Cleaning 7075 Aluminum Alloy Based on Grating Diffraction
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3208649
Abstract: It is difficult to realize cleaned surface monitoring in the process of laser cleaning. Here, a new method is developed based on the grating diffraction principle. Grating-like structures will be on the laser-cleaned surface as… read more here.
Keywords: laser cleaning; testing method; situ testing; based grating ... See more keywords
Hybrid multimode resonators based on grating-assisted counter-directional couplers.
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DOI: 10.1364/oe.25.016484
Abstract: Research thrusts in silicon photonics are developing control operations using higher order waveguide modes for next generation high-bandwidth communication systems. In this context, devices allowing optical processing of multiple waveguide modes can reduce architecture complexity… read more here.
Keywords: resonators based; based grating; multimode resonators; hybrid multimode ... See more keywords
Littrow 3D measurement based on 2D grating dual-channel equal-optical path interference.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.475830
Abstract: We propose a 3D measurement method based on 2D grating dual-channel and Littrow equal-optical path incidence to detect the 3D displacement of a 2D grating in the X-, Y-, and Z-directions. The 2D grating is… read more here.
Keywords: equal optical; channel; grating dual; optical path ... See more keywords