Superfluorescent laser action at 404.7 nm from the transition of a mercury atom produced by photodissociation of HgBr(2) by an ArF laser.
Strong fluorescence with high directionality was observed for the first time to our knowledge from the mercury atomic transition 7(3)S(1)-6(3)P(0) at 404.7 nm by the photodissociation of HgBr(2). Superfluorescence could be obtained only in a limited temperature region (130-160 degrees C) when HgBr(2) was excited by an ArF (193-nm) laser above a certain threshold power. Mechanisms for the formation of the excited mercury atom and for the quenching of the lower metastable state 6(3)P(0) are briefly discussed.
Shigenari
T
T
Uesugi
F
F
Takuma
H
H