Geoscience Reference
In-Depth Information
(a)
detector
emission filter
lens
window
light
source
sample volume
(b)
optics head
sample volume
1
1
2
4
3
5
receiver
assembly
canister
1- pressure windows
2- excitation filter
3- light source
4- emission filter
5- detector
(c)
LED
interference filter
interference filter
photodiode
detector
(d)
to emission filters
and detector
quartz flow tube
emission optic
fiber
to emission filters
and dectector
excitation optic fiber
fused silica
capillary
from laser
source
Figure 6.7. Conceptual diagrams of fluorescence detection hardware.
(a)
Right angle detection,
(b)
intersecting cones,
(c)
flow-through,
(d)
fiber optic designs.
