Laser spot image acquisition and processing based on LabVIEW
Sign Up to like & getrecommendations! 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… read more here.
Keywords: image acquisition; spot; labview; laser spot ... See more keywords
Towards better understanding of hyperbaric fiber laser spot welding of metallic material
Sign Up to like & getrecommendations! 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… read more here.
Keywords: fiber laser; laser; spot welding; laser spot ... See more keywords
Measurement of the thermal conductivity of fluids using laser spot lock-in thermography
Sign Up to like & getrecommendations! 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… read more here.
Keywords: thermal conductivity; measurement; laser spot;
Enhancing reproducibility of SALDI MS detection by concentrating analytes within laser spot.
Sign Up to like & getrecommendations! 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… read more here.
Keywords: saldi; reproducibility saldi; within laser; spot ... See more keywords
First exploration of radiation temperatures of the laser spot, re-emitting wall and entire hohlraum drive source
Sign Up to like & getrecommendations! 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… read more here.
Keywords: hohlraum; emitting wall; radiation; laser spot ... See more keywords
Distorted Laser Spot Center Positioning Based on Captured Image Under Laser-Camera Misalignment in UOWC
Sign Up to like & getrecommendations! 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… read more here.
Keywords: distorted laser; spot; laser spot; spot center ... See more keywords
An Efficient Method for Three-Dimensional Precise Measurement Using Laser Spot Traversal and Target Point Interpolation
Sign Up to like & getrecommendations! 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… read more here.
Keywords: target point; laser spot; interpolation; point ... See more keywords
Effects of solar noise on the detection range performance of a laser spot tracker
Sign Up to like & getrecommendations! 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.… read more here.
Keywords: laser spot; spot tracker; detection; detection range ... See more keywords
EXPRESS: Knife-Edge Technique Using Raman Spectrometers to Determine the Effective Laser Spot Size on Powders: Implications for Planetary Exploration.
Sign Up to like & getrecommendations! Published in 2025 at "Applied spectroscopy"
DOI: 10.1177/00037028251404964
Abstract: Raman spectroscopy is an analytical technique of choice for Earth and planetary sciences, which was recently selected as part of robotic exploration missions on Mars. Indeed, several miniaturized Raman spectrometers have been included into the… read more here.
Keywords: laser; spot size; size; raman spectrometers ... See more keywords
Effect of Au-Coating on the Laser Spot Cutting on Spring Contact Probe (SCP) for Semi-Conductor Inspection
Sign Up to like & getrecommendations! 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… read more here.
Keywords: scp; laser; laser spot; contact ... See more keywords
Sizing the Depth and Width of Narrow Cracks in Real Parts by Laser-Spot Lock-In Thermography
Sign Up to like & getrecommendations! 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,… read more here.
Keywords: depth; lock thermography; spot lock; laser spot ... See more keywords