Zeeman-Slower
beam
CCD
imaging system
cloverleaf
coils
cooling
beams
ODT
beams
optical
pumping
Zeeman
slower
Cr effusion cell
1450°C
2D molasses
beams
probe
beam
y
x
y
z
I
II
optical
pumping
y
90°
A
B
Fig. 3.1, Experimental Setup:
The full chamber (A) is divided into the oven chamber
(containing the chromium effusion cell) and the trapping chamber (rotated by
90
◦
along
y
in B). The two chambers are separated by the 80
cm
long Zeeman
slower. Blue arrows indicate the laser beams for cooling and optical pumping
and the red arrows (in B) illustrate the optical dipole trap beams. The symmetry
axis of the cloverleaf coils define the
z
-direction. The imaging laser beam (probe
beam) propagates along the
x
-direction and the optical pumping beam along
the y-direction. Figure taken from Ref. [73].
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