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Femtosecond laser induced Backfluorescence spectra of dense Rb and Cs vapour (CROSBI ID 501299)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Pichler, Goran ; Ban, Ticijana ; Aumiler, Damir ; Beuc, Robert Femtosecond laser induced Backfluorescence spectra of dense Rb and Cs vapour // 68. Physikertagung und AMOP Fruehjahrstagung der Deutschen Physikalischen Gesellschaft / Sauerbrey, Roland (ur.). München: Deutsche Physikalische Gesellschaft, 2004. str. 47-x

Podaci o odgovornosti

Pichler, Goran ; Ban, Ticijana ; Aumiler, Damir ; Beuc, Robert

engleski

Femtosecond laser induced Backfluorescence spectra of dense Rb and Cs vapour

We performed backfluorescence measurements induced by Ti:Sa femtosecond laser oscillator in dense rubidium and cesium vapours, generated in all sapphire cells. In both cases the temperatures and densities were so high that no laser light could be transmitted through the cells. The sepctra were taken by OceanOptics spectrometer S2000. The main goal was to inspect the appearance of some new structured molecular continua. Beside well-known diffuse bands and extended resonance line wings with corresponding satellite bands only very few new phenomena appeared. In the near infrared spectral region we definitely found broad structured continua, which may be attributed to avoided crossings of a certain number of interacting potential curves. In the case of Cs-Cs interaction, the structured continua may be correlated to giant resonances in the multiphoton ionization spectrum of ultracold cesium molecules. Those molecules were created in the lowest triplet states by spontaneous emission after the tunneling process through the potential barrier in Og- state.

Laser induced fluorescence; femtosecond laser; alkali vapor

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Podaci o prilogu

47-x.

2004.

objavljeno

Podaci o matičnoj publikaciji

68. Physikertagung und AMOP Fruehjahrstagung der Deutschen Physikalischen Gesellschaft

Sauerbrey, Roland

München: Deutsche Physikalische Gesellschaft

Podaci o skupu

68. Physikertagung und AMOP Fruehjahrstagung der Deutschen Physikalischen Gesellschaft

predavanje

22.03.2004-26.03.2004

München, Njemačka

Povezanost rada

Fizika