Biomedical Engineering Reference
In-Depth Information
(a)
(b)
FIGuRE 9.12
An. example. of. a. kinematic. swappable. mount.. (a). Separate. top. and. bottom. plates. with. optics.
mounted.on.the.top.plate..(b).Top.plate,.bottom.plate,.and.optics.mounted.together.
Lenslet
array
CCD
Collimated
wavefront
(a)
Aberrated
wavefront
(b)
FIGuRE 9.13
Wavefront. sensor. measurement. results. of. (a). a. collimated. wavefront. and. (b). an. aberrated.
wavefront.
focal.lengths..he.CCD.camera.is.placed.at.the.focal.plane.of.the.lenslet.array.and.records.the.pattern.
of. images. formed. by. the. lenslets. in. the. array.. Figure. 9.13. shows. the. images. on. the. CCD. camera. for.
a.collimated.wavefront.and.an.aberrated.wavefront..he.spots.are.sharp.and.clear.when.there.are.no.
wavefront.errors,.and.they.are.fuzzy.and.distorted.for.a.beam.with.wavefront.errors..he.locations.of.
the.focal.spots.of.the.aberrated.beam.are.also.shited.relative.to.those.of.the.collimated.beam.
