Optical characteristics for capacitively and inductively radio frequency discharge and post-discharge of helium
The optical properties for radiofrequency (RF) post-discharge of pure helium (He) with two different methods as capacitively and inductively have been presented using the modified Boltzmann method in comparison. Optical emission spectroscopy (OES) is often used in the diagnosis of laboratory plasma,...
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description | The optical properties for radiofrequency (RF) post-discharge of pure helium (He) with two different methods as capacitively and inductively have been presented using the modified Boltzmann method in comparison. Optical emission spectroscopy (OES) is often used in the diagnosis of laboratory plasma, such as gas discharge plasma. OES is a very useful method for calculating of the electron temperature in the plasma and the determination of different atoms and molecules. In this study, OES is applied for characterizations of capacitively and inductively RF He plasma at pressures between 0.62 and 2.2 mbar for newly reactor type. Plasmas are generated with an RF power generator at a frequency of 13.56 MHz and output powers of 100, 160, and 200 W. Spectra have been evaluated in the range 200–1200 nm by an optical spectrometer. At low pressure, the main spectral features reported are the wavelengths of the atomic He transitions at 388.87 and 728.13 nm. The atomic emission intensities showed a maximum in inductive system when the pressure is about 0.62 mbar. OES of capacitive discharge and inductive discharge is compared in detail. The transition for 587.56 nm is shown to be increased in time. |
doi_str_mv | 10.1063/1.4940783 |
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Optical emission spectroscopy (OES) is often used in the diagnosis of laboratory plasma, such as gas discharge plasma. OES is a very useful method for calculating of the electron temperature in the plasma and the determination of different atoms and molecules. In this study, OES is applied for characterizations of capacitively and inductively RF He plasma at pressures between 0.62 and 2.2 mbar for newly reactor type. Plasmas are generated with an RF power generator at a frequency of 13.56 MHz and output powers of 100, 160, and 200 W. Spectra have been evaluated in the range 200–1200 nm by an optical spectrometer. At low pressure, the main spectral features reported are the wavelengths of the atomic He transitions at 388.87 and 728.13 nm. The atomic emission intensities showed a maximum in inductive system when the pressure is about 0.62 mbar. OES of capacitive discharge and inductive discharge is compared in detail. The transition for 587.56 nm is shown to be increased in time.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/1.4940783</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; ATOMS ; BOLTZMANN EQUATION ; Electron energy ; ELECTRON TEMPERATURE ; EMISSION SPECTROSCOPY ; ENERGY-LEVEL TRANSITIONS ; Gas discharges ; GLOW DISCHARGES ; HELIUM ; Low pressure ; MHZ RANGE ; MOLECULES ; Optical emission spectroscopy ; OPTICAL PROPERTIES ; OPTICAL SPECTROMETERS ; PLASMA ; PLASMA DIAGNOSTICS ; Plasma physics ; Plasmas (physics) ; PRESSURE RANGE KILO PA ; Radio frequency discharge ; RADIOWAVE RADIATION ; Spectrum analysis ; WAVELENGTHS</subject><ispartof>Physics of plasmas, 2016-01, Vol.23 (1)</ispartof><rights>AIP Publishing LLC</rights><rights>2016 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c355t-a439f695bff28c1d53c0ae5e4caabb02b2ba400804b8ea0ef14cf6b44293547c3</citedby><cites>FETCH-LOGICAL-c355t-a439f695bff28c1d53c0ae5e4caabb02b2ba400804b8ea0ef14cf6b44293547c3</cites><orcidid>0000-0001-7578-7344</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/pop/article-lookup/doi/10.1063/1.4940783$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,776,780,790,881,4497,27903,27904,76130</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22493862$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Tanışlı, Murat</creatorcontrib><creatorcontrib>Şahin, Neslihan</creatorcontrib><title>Optical characteristics for capacitively and inductively radio frequency discharge and post-discharge of helium</title><title>Physics of plasmas</title><description>The optical properties for radiofrequency (RF) post-discharge of pure helium (He) with two different methods as capacitively and inductively have been presented using the modified Boltzmann method in comparison. Optical emission spectroscopy (OES) is often used in the diagnosis of laboratory plasma, such as gas discharge plasma. OES is a very useful method for calculating of the electron temperature in the plasma and the determination of different atoms and molecules. In this study, OES is applied for characterizations of capacitively and inductively RF He plasma at pressures between 0.62 and 2.2 mbar for newly reactor type. Plasmas are generated with an RF power generator at a frequency of 13.56 MHz and output powers of 100, 160, and 200 W. Spectra have been evaluated in the range 200–1200 nm by an optical spectrometer. At low pressure, the main spectral features reported are the wavelengths of the atomic He transitions at 388.87 and 728.13 nm. The atomic emission intensities showed a maximum in inductive system when the pressure is about 0.62 mbar. OES of capacitive discharge and inductive discharge is compared in detail. The transition for 587.56 nm is shown to be increased in time.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>ATOMS</subject><subject>BOLTZMANN EQUATION</subject><subject>Electron energy</subject><subject>ELECTRON TEMPERATURE</subject><subject>EMISSION SPECTROSCOPY</subject><subject>ENERGY-LEVEL TRANSITIONS</subject><subject>Gas discharges</subject><subject>GLOW DISCHARGES</subject><subject>HELIUM</subject><subject>Low pressure</subject><subject>MHZ RANGE</subject><subject>MOLECULES</subject><subject>Optical emission spectroscopy</subject><subject>OPTICAL PROPERTIES</subject><subject>OPTICAL SPECTROMETERS</subject><subject>PLASMA</subject><subject>PLASMA DIAGNOSTICS</subject><subject>Plasma physics</subject><subject>Plasmas (physics)</subject><subject>PRESSURE RANGE KILO PA</subject><subject>Radio frequency discharge</subject><subject>RADIOWAVE RADIATION</subject><subject>Spectrum analysis</subject><subject>WAVELENGTHS</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp90M9LwzAUB_AgCs7pwf-g4Emh8yVN0_Yow18w2EXBW0hfE5fRNTVpB_vvbd1wB8FTkseHb957hFxTmFEQyT2d8YJDlicnZEIhL-JMZPx0vGcQC8E_zslFCGsA4CLNJ8Qt286iqiNcKa-w096GoRAi43yEqlVoO7vV9S5STRXZpurx8Paqsi4yXn_1usFdVNkwZnzqH9m60MXHkjPRSte231ySM6PqoK8O55S8Pz2-zV_ixfL5df6wiDFJ0y5WPCmMKNLSGJYjrdIEQelUc1SqLIGVrFQcIAde5lqBNpSjESXnrEhSnmEyJTf73KEPK8MwhcYVuqbR2EnGeJHkgh1V690wRujk2vW-GRqTjDJaAGQiH9TtXqF3IXhtZOvtRvmdpCDHrUsqD1sf7N3ejl-qzrrmF2-dP0LZVuY__Df5G80Qkj8</recordid><startdate>20160101</startdate><enddate>20160101</enddate><creator>Tanışlı, Murat</creator><creator>Şahin, Neslihan</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0001-7578-7344</orcidid></search><sort><creationdate>20160101</creationdate><title>Optical characteristics for capacitively and inductively radio frequency discharge and post-discharge of helium</title><author>Tanışlı, Murat ; Şahin, Neslihan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c355t-a439f695bff28c1d53c0ae5e4caabb02b2ba400804b8ea0ef14cf6b44293547c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>ATOMS</topic><topic>BOLTZMANN EQUATION</topic><topic>Electron energy</topic><topic>ELECTRON TEMPERATURE</topic><topic>EMISSION SPECTROSCOPY</topic><topic>ENERGY-LEVEL TRANSITIONS</topic><topic>Gas discharges</topic><topic>GLOW DISCHARGES</topic><topic>HELIUM</topic><topic>Low pressure</topic><topic>MHZ RANGE</topic><topic>MOLECULES</topic><topic>Optical emission spectroscopy</topic><topic>OPTICAL PROPERTIES</topic><topic>OPTICAL SPECTROMETERS</topic><topic>PLASMA</topic><topic>PLASMA DIAGNOSTICS</topic><topic>Plasma physics</topic><topic>Plasmas (physics)</topic><topic>PRESSURE RANGE KILO PA</topic><topic>Radio frequency discharge</topic><topic>RADIOWAVE RADIATION</topic><topic>Spectrum analysis</topic><topic>WAVELENGTHS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tanışlı, Murat</creatorcontrib><creatorcontrib>Şahin, Neslihan</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tanışlı, Murat</au><au>Şahin, Neslihan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optical characteristics for capacitively and inductively radio frequency discharge and post-discharge of helium</atitle><jtitle>Physics of plasmas</jtitle><date>2016-01-01</date><risdate>2016</risdate><volume>23</volume><issue>1</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>The optical properties for radiofrequency (RF) post-discharge of pure helium (He) with two different methods as capacitively and inductively have been presented using the modified Boltzmann method in comparison. Optical emission spectroscopy (OES) is often used in the diagnosis of laboratory plasma, such as gas discharge plasma. OES is a very useful method for calculating of the electron temperature in the plasma and the determination of different atoms and molecules. In this study, OES is applied for characterizations of capacitively and inductively RF He plasma at pressures between 0.62 and 2.2 mbar for newly reactor type. Plasmas are generated with an RF power generator at a frequency of 13.56 MHz and output powers of 100, 160, and 200 W. Spectra have been evaluated in the range 200–1200 nm by an optical spectrometer. At low pressure, the main spectral features reported are the wavelengths of the atomic He transitions at 388.87 and 728.13 nm. The atomic emission intensities showed a maximum in inductive system when the pressure is about 0.62 mbar. OES of capacitive discharge and inductive discharge is compared in detail. The transition for 587.56 nm is shown to be increased in time.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4940783</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0001-7578-7344</orcidid></addata></record> |
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subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ATOMS BOLTZMANN EQUATION Electron energy ELECTRON TEMPERATURE EMISSION SPECTROSCOPY ENERGY-LEVEL TRANSITIONS Gas discharges GLOW DISCHARGES HELIUM Low pressure MHZ RANGE MOLECULES Optical emission spectroscopy OPTICAL PROPERTIES OPTICAL SPECTROMETERS PLASMA PLASMA DIAGNOSTICS Plasma physics Plasmas (physics) PRESSURE RANGE KILO PA Radio frequency discharge RADIOWAVE RADIATION Spectrum analysis WAVELENGTHS |
title | Optical characteristics for capacitively and inductively radio frequency discharge and post-discharge of helium |
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