Measurement Range Enhancement of Rayleigh-Based Optical Frequency Domain Reflectometry With Bidirectional Determination
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2761385
Abstract: We report a noble coherent optical frequency domain reflectometry (OFDR) system that simply enables measurement range enhancement up to full coherence length of a laser source. The proposed technique is based on bidirectional determination of… read more here.
Keywords: bidirectional determination; optical frequency; domain; measurement range ... See more keywords
Highly Sensitive FBG Strain Sensor With Enhanced Measurement Range Based On Higher Order FWM
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2912266
Abstract: To meet the simultaneous requirement of high sensitivity and high measurement range is an uphill task in the development of fiber Bragg grating (FBG) strain sensor. A unique scheme of highly sensitive FBG strain sensor… read more here.
Keywords: fbg strain; measurement range; range; strain sensor ... See more keywords
Large-Range Reconstruction With Non-Pre-Calibrated Camera via MBM of Laser Referenced by Radial-Collinear-Features
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3150590
Abstract: The 3-D reconstruction is of great importance for measuring, inspecting, monitoring, or understanding surface characteristics. Previous active target-based vision methods provide the reconstruction with more than three images for monocular vision, usually using extra external… read more here.
Keywords: vision; range reconstruction; reconstruction; measurement range ... See more keywords
Fast structured illumination microscopy with a large dynamic measurement range.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.424081
Abstract: Fast structured illumination microscopy plays an important role in micro-nano detection due to the features of high accuracy, high efficiency, and excellent adaptability. The existing method utilizes the linear region of the axial modulation response… read more here.
Keywords: microscopy; dynamic measurement; measurement range; fast structured ... See more keywords
Infinite deflectometry enabling 2π-steradian measurement range.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.007602
Abstract: We present a novel deflectometry implementation termed Infinite Deflectometry. The technique provides a full aperture surface reconstruction sag map of freeform surfaces, including previously challenging to measure optics such as highly convex surfaces. The method… read more here.
Keywords: infinite deflectometry; measurement range; deflectometry; steradian measurement ... See more keywords
Multi-incidence digital holographic profilometry with high axial resolution and enlarged measurement range.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.385743
Abstract: In this work, multi-incident digital holographic profilometry for microscale measurements is presented. This technique assembles the set of object fields from captured holograms for generation of the longitudinal scanning function (LSF). Numerical propagation is used… read more here.
Keywords: holographic profilometry; axial resolution; digital holographic; measurement range ... See more keywords