© 2011 Thorlabs
152 Thorlabs Beam 4.0
2. Wavelength Dependent Loss of VIS ND Filters
The following diagram shows the measured wavelength dependent loss of all four
ND filters supplied with the BC106-VIS Camera Beam Profiler.
As seen, the ND filters keep their nominal loss values only coarsely within a limited
wavelength range in the visible. Large deviations are outside this range will require
a User_Power_Correction .
3. Wavelength Dependent Reflectance of AR Coating on UV ND Filters
This diagram shows the typical quality of the supplied reflective ND Filters for the UV
wavelength range.
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