Optogalvanic signal optimization through the coherent control of multiphoton ionization
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2010
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LATIN AMERICA OPTICS AND PHOTONICS CONFERENCE
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Resumo
This work presents and discusses the results on the optimization of the Optogalvanic Signal (OGS)
induced by ultrafast shaped laser pulses in an electrical glow discharge in argon. The electrical glow is
produced in a Hollow Cathode Discharge (HCD) generated in a cell containing a tube-shaped cathode
coaxially aligned to the line joining the anode. The OGS generated in this discharge reflects the
impedance change induced by the interaction of a resonant laser radiation with one or more atomic
transitions in the gas. This gas is electrically excited within the HCD and operated in the subnormal
regime, which corresponds to the region of the voltage versus current curve that exhibits a negative
dynamic resistance. This electric behavior allows the amplification of the OGS by orders of
magnitude [1].
Como referenciar
VEBBER, GUILHERME C.; CORREIA, RICARDO R.B.; SAMAD, RICARDO E.; VIEIRA JUNIOR, NILSON D. Optogalvanic signal optimization through the coherent control of multiphoton ionization. In: LATIN AMERICA OPTICS AND PHOTONICS CONFERENCE, September 27-30, 2010, Recife, PE. Proceedings... Disponível em: http://repositorio.ipen.br/handle/123456789/17959. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.