Conmy, Del Castillo, Downing, and Chen
200
interference filter
LED
receiver
assembly
1- pressure windows
2- excitation filter
3- light source
4- emission filter
5- detector
canister
3
4
5
1
1
2
sample volume
optics head
sample volume
window
emission filter
detector
lens
(a)
(b)
(c)
(d)
light
source
lens
window
excitation filter
interference filter
photodiode
detector
to emission filters
and detector
emission optic
fiber
to emission filters
and dectector
excitation optic fiber
from laser
source
fused silica
capillary
quartz flow tube
Figure 6.7. Conceptual diagrams of fluorescence detection hardware. (a) Right angle detection,
(b) intersecting cones, (c) flow-through, and (d) fiber optic designs.