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Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2018.12.051
Abstract: Abstract With the wide application of laser technology in various fields, how to quickly and quantitatively evaluate the characteristic parameters of laser spot becomes a hot issue in laser technology research. In this paper, based…
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Keywords:
image acquisition;
spot;
labview;
laser spot ... See more keywords
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Published in 2020 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2020.04.087
Abstract: Abstract The effect of hyperbaric environment on fiber laser spot welding (LW) of 304 stainless steel was explored. The laser power was 3 kW, the welding time was 0.2 s, and the defocus distance was…
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Keywords:
fiber laser;
laser;
spot welding;
laser spot ... See more keywords
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Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2020.107740
Abstract: Abstract In this work, we propose a new method to retrieve the thermal conductivity of fluids, kf, using laser spot lock-in infrared thermography. The measurement cell consists in two paralepidid blocks separated by a narrow…
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Keywords:
thermal conductivity;
measurement;
laser spot;
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Published in 2018 at "Talanta"
DOI: 10.1016/j.talanta.2017.11.056
Abstract: Surface-assisted laser desorption/ionization time-of-flight mass spectrometry (SALDI TOF MS) has become one of the most important analytical methods due to its less interference at low molecular weight range. However, it is still a challenge to…
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Keywords:
saldi;
reproducibility saldi;
within laser;
spot ... See more keywords
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1
Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-41424-6
Abstract: This study explores the radiation field temperatures introduced by the laser spot, the re-emitting wall in a hohlraum and the entire hohlraum drive source. This investigation, which is the first of its kind, is based…
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Keywords:
hohlraum;
emitting wall;
radiation;
laser spot ... See more keywords
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1
Published in 2023 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2023.3267027
Abstract: The laser spot center positioning is an essential step for camera-based terminal positioning and alignment in a long-distance laser-based underwater optical wireless communication (UOWC) system. In this paper, the laser spot profile distorted by laser-camera…
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Keywords:
distorted laser;
spot;
laser spot;
spot center ... See more keywords
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2
Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3172775
Abstract: Discrete point interpolation has emerged as a prime candidate technology for dual-station accurate intersection in 3-D precise measurement. However, the operation is low-efficiency for capturing multiple reference points to measure a single target point. The…
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Keywords:
target point;
laser spot;
interpolation;
point ... See more keywords
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Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.3.037102
Abstract: Abstract. The effects of solar spectral irradiance on the performance of laser spot tracker are analyzed. When the entrance pupil diameter of the receiver increases, the field of view decreases, but the detection range increases.…
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Keywords:
laser spot;
spot tracker;
detection;
detection range ... See more keywords
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Published in 2021 at "Materials"
DOI: 10.3390/ma14123300
Abstract: Spring contact probes (SCPs) are used to make contact with various test points on printed circuit boards (PCBs), wire harnesses, and connectors. Moreover, they can consist of the test interface between the PCBs and the…
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Keywords:
scp;
laser;
laser spot;
contact ... See more keywords
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Published in 2021 at "Materials"
DOI: 10.3390/ma14195644
Abstract: We present a complete characterization of the width and depth of a very narrow fatigue crack developed in an Al-alloy dog bone plate using laser-spot lock-in thermography. Unlike visible micrographs, which show many surface scratches,…
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Keywords:
depth;
lock thermography;
spot lock;
laser spot ... See more keywords
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2
Published in 2022 at "Materials"
DOI: 10.3390/ma15093405
Abstract: This paper investigated various aspects of replacing existing micro-resistance spot welding (micro-RSW) with micro-laser spot welding for joining Inconel 718 thin foils to thick 410 steel stack-up to allow faster, non-contact joining together with flexibility…
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Keywords:
spot;
rsw;
micro;
laser spot ... See more keywords