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Low-Cost Real-Time Gas Monitoring Using a Laser Plasma Induced by a Third Harmonic Q-Switched Nd-YAG Laser

Journal of Engineering and Technological Sciences · Vol. 37 No. 2 (2014) · hlm. 91–106

DOI
10.5614/itbj.eng.sci.2005.37.2.2
ISSN
2338-5502, 2337-5779
Terbit
2014-01-04
Penerbit
Directorate for Research and Community Services, Institut Teknologi Bandung
Bahasa
eng

Abstrak

A gas plasma induced by a third harmonic Nd-YAG laser with relatively low pulsed energy (about 10 mJ) has favorable characteristics for gas analysis due to its low background characteristics, nevertheless a high power fundamental Nd-YAG laser (100-200 mJ) is widely used for laser gas breakdown spectroscopy. The air plasma can be used as a low-cost real-time gas monitoring system such that it can be used to detect the local absolute humidity, while a helium plasma can be used for gas analysis with a high level of sensitivity. A new technique using a helium plasma to improve laser ablation emission spectroscopy is proposed. Namely, the third harmonic Nd-YAG laser is focused at a point located some distance from the target in the 1-atm helium surrounding gas. By using this method, the ablated vapor from the target is excited through helium atoms in a metastable state in the helium plasma.

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  • Universitas Syiah Kuala
  • University of Fukui
  • University of Indonesia
  • Jeonbuk National University
  • Chang Gung University
  • Lambung Mangkurat University
  • Udayana University
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Rekan penulisOrganisasiArtikel bersama
Mohamad Infrawan Yulianto IchwanAfiliasi tidak diketahui3
Hery SuyantoUdayana University3
Maria Margaretha SuliyantiUniversity of Indonesia3
Rinda HedwigBinus University3
Marincan PardedePelita Harapan University3
Eko SusilowatiLambung Mangkurat University2
Jojor Lamsihar ManaluUniversity of Indonesia2
Saiful SaifulUniversitas Syiah Kuala1
Khairunnas AhmadUniversitas Syiah Kuala1
Siswoyo PrasetyoChang Gung University1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journals.itb.ac.id/index.php/jets/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Low-Cost Real-Time Gas Monitoring Using a Laser Plasma Induced by a Third Harmonic Q-Switched Nd-YAG Laser</dc:title>
	<dc:creator>Abdulmadjid, Syahrun Nur</dc:creator>
	<dc:creator>Kurniawan, Koo Hendrik</dc:creator>
	<dc:creator>Lie, Tjung Jie</dc:creator>
	<dc:creator>Lee, Yong Inn</dc:creator>
	<dc:creator>Kitazima, Iwao</dc:creator>
	<dc:creator>Kagawa, Kiichiro</dc:creator>
	<dc:description xml:lang="en-US">A gas plasma induced by a third harmonic Nd-YAG laser with relatively low pulsed energy (about 10 mJ) has favorable characteristics for gas analysis due to its low background characteristics, nevertheless a high power fundamental Nd-YAG laser (100-200 mJ) is widely used for laser gas breakdown spectroscopy. The air plasma can be used as a low-cost real-time gas monitoring system such that it can be used to detect the local absolute humidity, while a helium plasma can be used for gas analysis with a high level of sensitivity. A new technique using a helium plasma to improve laser ablation emission spectroscopy is proposed. Namely, the third harmonic Nd-YAG laser is focused at a point located some distance from the target in the 1-atm helium surrounding gas. By using this method, the ablated vapor from the target is excited through helium atoms in a metastable state in the helium plasma.</dc:description>
	<dc:publisher xml:lang="en-US">Directorate for Research and Community Services, Institut Teknologi Bandung</dc:publisher>
	<dc:date>2014-01-04</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journals.itb.ac.id/index.php/jets/article/view/330</dc:identifier>
	<dc:identifier>10.5614/itbj.eng.sci.2005.37.2.2</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Engineering and Technological Sciences; Vol. 37 No. 2 (2005); 91-106</dc:source>
	<dc:source>2338-5502</dc:source>
	<dc:source>2337-5779</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journals.itb.ac.id/index.php/jets/article/view/330/313</dc:relation>
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