Which vcsels are used in different modes?
Is it feasible to use only two vcsels in medium and far mode?
mike
Which vcsels are used in different modes?
Is it feasible to use only two vcsels in medium and far mode?
mike
Near mode uses 2 VCSELs, the ones on the sides of the lens, while medium and far use all 4 VCSELs.
It all depends on the range you want to achieve - 2 VCSELs are feasible for medium and far but the range will be reduced. It's hard to say by how much without measuring the optical power.