2009
DOI: 10.1007/s10762-009-9542-2
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Longitudinally Excited CO2 Laser with Short Laser Pulse like TEA CO2 Laser

Abstract: We have developed a longitudinally excited CO 2 laser with a short laser pulse similar to that of TEA and Q-switched CO 2 lasers. A capacitor transfer circuit with a low shunt resistance provided rapid discharge and a sharp spike pulse with a short pulse tail. Specifically, a circuit with a resistance of 10 M Ω provided a spike pulse width of 103.3 ns and a pulse tail length of 61.9 μs, whereas a circuit with a shunt resistance of 100 Ω provided a laser pulse with a spike pulse width of 96.3 ns and a pulse tai… Show more

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Cited by 16 publications
(17 citation statements)
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“…On the other hand, when the pre-ionization is required in the highpressure operation (> 1 atm), the discharge tube is covered with Al foil (Fig. 5, 6) (El-Osealy et al, 2002b;Uno et al, 2009;Uno et al, 2012a). A corona discharge occurs along the tube wall before the main discharge to serve as pre-ionization.…”
Section: Longitudinal Excitation Schemementioning
confidence: 99%
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“…On the other hand, when the pre-ionization is required in the highpressure operation (> 1 atm), the discharge tube is covered with Al foil (Fig. 5, 6) (El-Osealy et al, 2002b;Uno et al, 2009;Uno et al, 2012a). A corona discharge occurs along the tube wall before the main discharge to serve as pre-ionization.…”
Section: Longitudinal Excitation Schemementioning
confidence: 99%
“…In recent years, especially, new gas lasers, for example, a longitudinally excited CO2 laser with short laser pulse like TEA and Qswitched CO2 laser (Uno et al, 2009), a longitudinally excited N2 laser with the same excitation system as an excimer lamp (Uno et al, 2006), and a longitudinally excited F2 laser at low-pressure (total pressure of 40 Torr) (El-Osealy et al, 2002b) have been developed. …”
Section: Longitudinal Excitation Schemementioning
confidence: 99%
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