Ditemukan 2 dokumen yang sesuai dengan query
Marpaung, Mangasi Alion
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ABSTRAK
An N2 laser system that consists of transversely excited atmospheric (TEA) oscillator and transversely excited (TE) amplifier has been designed and constructed. The laser system employs single common spark gap for both oscillator and amplifier. The optimum operating voltage is 15 kV at 2 Hz repetition rate. The measured energy of the output oscillator-amplifier system has maximum value of 55 pJ and beam divergence of 2 mrad horizontally and 1 mrad vertically.
Synchronization between ...
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1993
T-Pdf
UI - Tesis Membership Universitas Indonesia Library
Marpaung, Mangasi Alion
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ABSTRACT
A comprehensive study has been made on the dynamical process taking place in the laser-plasma generation i.nduced by a TEA CO2 laser bombardment on metal target and non-metal target Eom low to high pressures surrounding gas. ln the case of metal target, pure zinc plate was used as a target and bombarded with 400 ml laser pulse energy. Dynamical characterization of plasma expansion and excitation were examined in detail both for target atomic emission (Zn ...
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2000
D1361
UI - Disertasi Membership Universitas Indonesia Library
