Hi Sean,

It sounds like you may be saying the OLPF and the IR filter are two separat=
e
filters combined into one piece? I am not sure how an optical LPF is create=
d
if it is not the IR filter? Can you explain the difference? I understand
basic electrical aliasing due to high frequency components relative to a
sampling frequency but I am not clear what is going on optically (i.e. how
to create the LPF if it is not the IR filter).

Thanks,
Tom



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