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Hasil Pencarian

Ditemukan 4 dokumen yang sesuai dengan query
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Maria Margaretha Suliyanti
Application of primary plasma standardization to Nd-yang laser-induced shock wave plasma spectrometry for quantitative analysis Of alloys
" A study was performed on a laser-induced shock wave plasma generated on high concentration Au-Ag-Cu alloys by a Q-switched Nd-YAG laser of 4.8 mJ under reduced air pressure of 2 Torr. It was found that the total emission intensity of the secondary plasma is proportional to the intensity of the primary plasma, Assuming linear proportionality between the intensity of the primary plasma and the number of atoms vaporized from the target, it is proposed that ... "
Fakultas Teknik Universitas Indonesia, 2001
T8124
UI - Tesis Membership  Universitas Indonesia Library
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Rinda
The Role of A Sub -Target in the Tea CO2 Laser-Induced Shock-Wave Plasma
" A TEA CO2 laser pulse (50 mJ, 100 ns) was focused under reduced pressure on the silicone grease painted on copper plate as a sub-target with a power density of 6 GW/cm2. The comparison was made on the characteristics of the induced laser plasma between the two cases, with sub-target and without sub-target. It is proved that emission spectrum assigned to silicone atom can be detected only for the case with sub-target. It is also ... "
Depok: Program Pascasarjana Universitas Indonesia, 1998
T-Pdf
UI - Tesis Membership  Universitas Indonesia Library
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Rinda, Hedwig
Contributions of sub target and confinement effects in extension of laser induced shock wave plasma spectroscopy to non-metallic targets
" ABSTRACT
An comprehensiove study has been carried out for the study and extension of lases induce shock wave plasma spectroscopy (LISPS) application to non metalic soft and hard samples. For this purpose, a series of experiments were conducted to investigate the dynamical process taking place in the laser plasma generated by a high power and short pulse laser irradiations on a non metal soft and hard samples it was found that in the case of non ... "
2002
D1364
UI - Disertasi Membership  Universitas Indonesia Library
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Rinda, Hedwig
Contributions of sub target and confinement effects in extension of laser induced shock wave plasma spectroscopy to non-metallic targets
" ABSTRACT
An comprehensiove study has been carried out for the study and extension of lases induce shock wave plasma spectroscopy (LISPS) application to non metalic soft and hard samples. For this purpose, a series of experiments were conducted to investigate the dynamical process taking place in the laser plasma generated by a high power and short pulse laser irradiations on a non metal soft and hard samples it was found that in the case of non ... "
2002
D33
UI - Disertasi Membership  Universitas Indonesia Library