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Zawartość zarchiwizowana w dniu 2024-04-30

High resolution spectroscopy of non-radiative transitions in a molecular beam using optothermal detection

Cel



The study of non-radiative intra-molecular energy transfer is of industrial importance (dye lasers, mode-selective chemistry) and academic interest. I propose to use a novel combination of laser induced fluorescence and opto-thermal detection to look at two prototypical systems. The methods are complimentary: internal energy which is not lost through emission remains in the molecule to be detected opto-thermally. Measurements of rotational linewidths and structure at high resolution ( lMHz) will enable the coupling mechanisms between the excited and ground states to be determined.
The molecule CF3NO is a testing ground for theories of photodissociation. Using opto-thermal detection, the key transitions at the energy threshold for the process will be observable for the first time, as lost kinetic energy from the molecular beam. Pyridine has a very weak fluorescence spectrum, owing to extremely efficient intra-molecular energy transfer, which make it difficult to study at high resolution by normal techniques but ideal for opto-thermal detection.

Dziedzina nauki (EuroSciVoc)

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Zaproszenie do składania wniosków

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RGI - Research grants (individual fellowships)

Koordynator

EUROPEAN LABORATORY FOR NON-LINEAR SPECTROSCOPY
Wkład UE
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Adres
Via Nello Carrara, 1
50019 FIRENZE
Włochy
Koszt całkowity
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