Investigation of femtosecond laser-produced plasma from various metallic targets using the Langmuir probe characteristic
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.5006076
Abstract: The Langmuir probe is used to characterize the plasma produced by fs-laser ablation from pure metallic targets. Time dependence of the probe current and the total collected charge is discussed in terms of a shifted… read more here.
Keywords: metallic targets; investigation femtosecond; probe; collected charge ... See more keywords
Capacitively coupled radio frequency nitrogen plasma generated at two different exciting frequencies of 13.56 MHz and 40 MHz analyzed using Langmuir probe along with optical emission spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "AIP Advances"
DOI: 10.1063/1.5092180
Abstract: Capacitively coupled nitrogen plasma discharges driven by two different exciting radio frequencies of 13.56 MHz, and 40 MHz are investigated. Langmuir probe diagnostics along with optical emission spectroscopy are used for interpreting the discharges. The… read more here.
Keywords: plasma; optical emission; emission spectroscopy; langmuir probe ... See more keywords
Langmuir probe measurements of the secondary electron population across the cathodic pre-sheath of a DC argon discharge
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Plasmas"
DOI: 10.1063/5.0130291
Abstract: Cylindrical Langmuir probe measurements in a low-pressure DC argon discharge are used to obtain the spatial evolution of ion, cold and hot electron parameters across the cathodic pre-sheath. The cathodic pre-sheath is formed by a… read more here.
Keywords: langmuir probe; sheath; cathodic pre; electron ... See more keywords
Triple Langmuir probe calibration in TOMAS ECRH plasma
Sign Up to like & getrecommendations! Published in 2023 at "AIP Advances"
DOI: 10.1063/5.0146388
Abstract: In the TOMAS device, a triple Langmuir probe is used to measure the electron temperature and density. The accuracy of this measurement depends on correct determination of the effective collecting area of the probe, which… read more here.
Keywords: tomas; density; langmuir probe; plasma ... See more keywords
Design and Analysis of a Divertor Langmuir Probe for ITER
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Science and Technology"
DOI: 10.1080/15361055.2018.1520577
Abstract: Abstract An all-welded ITER divertor Langmuir probe (DLP) model was analyzed by ANSYS 17.0. Temperature field and surface convective heat transfer were obtained by fluid analysis using ANSYS/CFX under both steady-state (10 MW/m2) and slow… read more here.
Keywords: divertor langmuir; analysis; langmuir probe; iter ... See more keywords
High-spatial-resolution electron density measurement by Langmuir probe for multi-point observations using tiny spacecraft
Sign Up to like & getrecommendations! Published in 2017 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/aa87e1
Abstract: A method for evaluating electron density using a single fixed-bias Langmuir probe is presented. The technique allows for high-spatio-temporal resolution electron density measurements, which can be effectively carried out by tiny spacecraft for multi-point observations… read more here.
Keywords: tiny spacecraft; probe; spacecraft; langmuir probe ... See more keywords
Multi-Needle Langmuir Probe System for Electron Density Measurements and Active Spacecraft Potential Control on CubeSats
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2019.2900132
Abstract: In this paper, we present the CubeSat version of a scientific instrument called the multi-Needle Langmuir Probe (m-NLP). The m-NLP instrument measures the electron density in the ionosphere with kHz sampling rate, yielding meter scale… read more here.
Keywords: spacecraft potential; langmuir probe; density; electron density ... See more keywords
Use of a Langmuir Probe Instrument on Board a Pico-Satellite
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2017.2700211
Abstract: The sweeping Langmuir probe instrument is a part of the payload of PICo-satellite for atmospheric and space science observations (PICASSO), an ESA in-orbit demonstrator. It includes four thin cylindrical probes whose electrical potential is swept… read more here.
Keywords: pico satellite; langmuir probe; probe instrument;
Multineedle Langmuir Probe Operation and Acute Probe Current Susceptibility to Spacecraft Potential
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2019.2906377
Abstract: NorSat-1 was launched on July 14, 2017 as a satellite carrying, among other instruments, the multineedle Langmuir probe (m-NLP), an instrument which, on NorSat-1, is capable of measuring the ionospheric plasma electron density with the… read more here.
Keywords: langmuir probe; spacecraft; probe current; multineedle langmuir ... See more keywords
Langmuir Probe Perturbations during In Situ Monitoring of Pulsed Laser Deposition Plasmas
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15082769
Abstract: The recent advancements in pulsed laser deposition (PLD) control via plasma diagnostics techniques have been positive and raised questions on the limitation of some techniques, such as the Langmuir probe (LP). The particularities of laser-produced… read more here.
Keywords: langmuir probe; pulsed laser; laser deposition; probe perturbations ... See more keywords
Subthreshold Laser Ablation Measurements by Langmuir Probe Method for ns Irradiation of HfO2 and ZrO2
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16020536
Abstract: The unbiased Langmuir probe (LP) method was used to perform measurements on HfO2 and ZrO2 samples around the laser ablation threshold on a wide range of irradiation conditions. Important changes in the lifetime (from ms… read more here.
Keywords: langmuir probe; ablation; laser ablation; probe method ... See more keywords