Plasma-kg

addresses

• How does the Ar(³P₂) metastable density in the effluent of a filamentary atmospheric pressure plasma jet vary with feed gas humidity? 
• How does the Ar(³P₂) metastable density in the effluent of a filamentary atmospheric pressure plasma jet vary with gas curtain composition? 
• How does the Ar(³P₂) metastable density in the effluent of a filamentary atmospheric pressure plasma jet vary with the distance from the nozzle? 
• What is the spatial distribution of HO₂ in an atmospheric pressure plasma jet? 

conductedBy

• Bansemer, Robert   Person
• Brandenburg, Ronny  Person
• Klose, Sarah-Johanna   Person
• Manfred, Katherine M.  Person
• Norman, Helen C.  Person
• Ritchie, Grant A. D.  Person
• van Helden, Jean-Pierre   Person

consistsOf

• Investigation of Ar(³P₂) metastable density in the effluent of a filamentary atmospheric pressure plasma jet with humidified feed gas  Plasma Study

hasMedium

• Ar  Medium
• Humidified Argon  Medium
• N₂/O₂ mixture  Medium
• O2  Medium
• argon  Medium
• effluent  Medium
• water  Medium

hasOutput

• Ar metastable densities (³P₂) in the effluent of a filamentary atmospheric pressure plasma jet with humidified feed gas - dataset  Dataset
• The spatial distribution of HO₂ in an atmospheric pressure plasma jet investigated by cavity ring-down spectroscopy  Dataset

hasPlasmaSource

• kINPen-sci  Plasma Source

hasTopic

• Ar metastable densities  Research Topic
• Feed gas humidity  Research Topic
• Gas curtain composition  Research Topic
• HO₂ absorption  Research Topic
• Spatial distribution of HO₂  Research Topic

investigates

• HO₂ absorption 
• atomic absorption 
• optical Ar(1s₅-2p₉) transition 
• plasma emission 

involves

• Ar(³P₂) metastables 
• HO₂ 
• cold atmospheric plasma (CAP)  Plasma
• effluent 
• filamentary atmospheric pressure Argon plasma  Plasma

usesConfiguration

• Configuration for CRDS setup: laser wavelength λ = 6638.2 cm⁻¹ (1506 nm); high reflectivity mirrors with R = 99.998% and radius of curvature r = 1 m; mirror separation distance L = 80 cm 
• Configuration for kINPen-sci: Frequency ~1 MHz; Power 1-3 W; Feed gas 3 slm Ar with 3000 ppm humidity; Gas curtain 5 slm O₂ 

usesDevice

• CFC-8X-C, Thorlabs  Diagnostic Device
• DET10C, Thorlabs  Diagnostic Device
• DLPCA-200, FEMTO  Diagnostic Device
• DewMaster, EdgeTech  Diagnostic Device
• EasyLAAS, neoplas control GmbH  Diagnostic Device
• Tektronix DPO4104  Diagnostic Device
• WSG-200, High Finesse  Diagnostic Device
• current amplifier HCA-S, Femto  Diagnostic Device
• distributed feedback diode laser  Diagnostic Device
• kINPen-sci  Plasma Source
• standard computer  Device
• trigger circuit, home-built  Diagnostic Device
• water bubbler  Device

usesMethod

• Abel inversion  Diagnostic Method
• Cavity Ring-Down Spectroscopy (CRDS)  Diagnostic Method
• Feed gas humidification  Method
• Laser Absorption Spectroscopy  Diagnostic Method
• guiding Ar flow through a water bubbler  Method
• on/off-resonance method  Diagnostic Method
• spatially resolved continuous wave cavity ring-down spectroscopy (cw-CRDS)  Diagnostic Method