Construção e calibração energética por efeito fotoacústico de um laser de nitrogênio para uso em ensino e pesquisa. / Construction and energy calibration by photoacoustic effect of a nitrogen laser for use in teaching and research.

AUTOR(ES)

Maria Ines Calil Cury Guimaraes

DATA DE PUBLICAÇÃO

1987

RESUMO

This dissertation treats the theory and construction of a pulsed molecular Nitrogen laser with high peak power which functions in the ultra-violet region (337,1 nm) for use in teaching and research. In addition we show the design and construction of a photo-acoustic cell whose function is to measure the energy of the laser pulses. This sensitive and precise apparatus serves as well for measuring the energy of pulsed radiation sources other than the Nitrogen laser. Results which characterize in detail the laser and the photo-acoustic are presented and suggestions for a teaching laboratory included in an appendix.

ASSUNTO(S)

ultraviolet laser de nitrogênio nitrogen laser ultravioleta photoacoustic energy calibration calibração de energia fotoacústica

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