22 Agilent InfinityLab LC Series 1260 Infinity II FLD User Manual
1
Introduction to the Fluorescence Detector
Optical Unit
Figure 9 Mirror Assembly
The geometry of the grooves is optimized to reflect almost all of the incident
light, in the 1
st
order and disperse it with about 70 % efficiency in the
ultra-violet range. Most of the remaining 30 % of the light is reflected at zero
order, with no dispersion. Figure 10 on page 23 illustrates the light path at the
surface of the grating.
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