Tunable 397-nm light source for spectroscopy obtained by frequency doubling of a diode laser.
Continuous-wave radiation of 1.8 mW at 397 nm was generated by frequency doubling a 100-mW GaAlAs diode laser in a lithium iodate crystal placed in an external enhancement cavity. The radiation had a narrow linewidth and a continuous frequency-scanning range of 6 GHz. The UV radiation obtained was applied to laser cooling of calcium ions stored in a rf trap.
Hayasaka
K
K
Watanabe
M
M
Imajo
H
H
Ohmukai
R
R
Urabe
S
S