The 4${\mathit{f}}^{14} $6s$ {\mathrm{}}^{2}$${\mathit{S}}_{1/2}$--4${\mathit{f}}^{14}$5d${\mathrm{}}^{2}$${\mathit{D}}_{5/2}$ 411-nm transition in $^{172}\mathrm{Yb}^{+}$ has been measured to be 729 476 868(11) MHz. The frequency was determined by probing a cold cloud of a few $^{172}\mathrm{Yb}^{+}$ ions held in a radio-frequency trap. The frequency measurement is part of a program to locate the 4${\mathit{f}}^{14} $6s$ {\mathrm{}}^{2}$${\mathit{S}}_{1/2}$--4${\mathit{f}}^{13}$6${\mathit{s}}^{2}$${\mathrm{}}^{2}$${\mathit{F}}_{7/2}$ 467-nm ultranarrow transition in laser-cooled ${\mathrm{Yb}}^{+}$. The 4${\mathit{f}}^{13}$6${\mathit{s}}^{2}$${\mathrm{}}^{2}$${\mathit{F}}_{7/2}$--4${\mathit{f}}^{13}$5d6s${\mathrm{}}^{1}$D[K= 5/2${]}_{\mathit{J}=5/2}$ transition at 638 nm has been driven in order to depopulate the 4${\mathit{f}}^{13}$6${\mathit{s}}^{2}$${\mathrm{}}^{2}$ ${\mathit{F}}_{7/2}$ state.The 4${\mathit{f}}^{14}$6s${\mathrm{}}^{2}$${\mathit{S}}_{1/2}$--4${\mathit{f}}^{14}$5d${\mathrm{}}^{2}$${\mathit{D}}_{5/2}$ 411-nm transition in $^{172}\mathrm{Yb}^{+}$ has been measured to be 729 476 868(11) MHz. The frequency was determined by probing a cold cloud of a few $^{172}\mathrm{Yb}^{+}$ ions held in a radio-frequency trap. The frequency measurement is part of a program to locate the 4${\mathit{f}}^{14}$6s${\mathrm{}}^{2}$${\mathit{S}}_{1/2}$--4${\mathit{f}}^{13}$6${\mathit{s}}^{2}$${\mathrm{}}^{2}$${\mathit{F}}_{7/2}$ 467-nm ultranarrow transition in laser-cooled ${\mathrm{Yb}}^{+}$. The 4${\mathit{f}}^{13}$6${\mathit{s}}^{2}$${\mathrm{}}^{2}$${\mathit{F}}_{7/2}$--4${\mathit{f}}^{13}$5d6s${\mathrm{}}^{1}$D[K= 5/2${]}_{\mathit{J}=5/2}$ transition at 638 nm has been driven in order to depopulate the 4${\mathit{f}}^{13}$6${\mathit{s}}^{2}$${\mathrm{}}^{2}$${\mathit{F}}_{7/2}$ state.

Physical Review AAug 1, 199523 citations

Laser cooling of a Ca+ ion cloud in a Paul trap

Martina Knoop, J. Rink, M. Vedel +1 more

Jan 1, 19950 citations

The 4${\mathit{f}}^{14}

6s

{\mathrm{}}^{2}$${\mathit{S}}_{1/2}$--4${\mathit{f}}^{14}$5d${\mathrm{}}^{2}$${\mathit{D}}_{5/2}$ 411-nm transition in

^{172}\mathrm{Yb}^{+}

has been measured to be 729 476 868(11) MHz. The frequency was determined by probing a cold cloud of a few

^{172}\mathrm{Yb}^{+}

ions held in a radio-frequency trap. The frequency measurement is part of a program to locate the 4${\mathit{f}}^{14}

6s

{\mathrm{}}^{2}$${\mathit{S}}_{1/2}$--4${\mathit{f}}^{13}$6${\mathit{s}}^{2}$${\mathrm{}}^{2}$${\mathit{F}}_{7/2}$ 467-nm ultranarrow transition in laser-cooled ${\mathrm{Yb}}^{+}$. The 4${\mathit{f}}^{13}$6${\mathit{s}}^{2}$${\mathrm{}}^{2}$${\mathit{F}}_{7/2}$--4${\mathit{f}}^{13}$5d6s${\mathrm{}}^{1}$D[K= 5/2${]}_{\mathit{J}=5/2}$ transition at 638 nm has been driven in order to depopulate the 4${\mathit{f}}^{13}$6${\mathit{s}}^{2}$${\mathrm{}}^{2}$

{\mathit{F}}_{7/2}

state.