Aberration - PowerPoint PPT Presentation

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Aberration

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Aberration , , , , , : – PowerPoint PPT presentation

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Title: Aberration


1
Aberration
????, ????, ????, ????, ????, ???
  • ?? ??

???? ?? ?? ?? ? ???? ?? ?? ?? ?
?? ?? ???? ??
2
Field Flattener
Petzval Condition
Schmit System
3
Field Curvature in reallity
4
Distortion ??
???? ???? ?? ??????? ??? ?? ???? ??? ??
5
Chromatic Aberration ???
??? ???? ?? ??? ?? ?? ?? ???? ??? dispersion
Link
Melles-Griot
6
?? ( ???? ??)
7
??? ??Achromat
??? ???? ??? ??? ????. ? ??? ??? ??
? ???? ?? ????? ?? ??
??? ??? ?? ??? ???? Red? Blue????.
and let d ? 0.
?? Blue? Red? ???? Yellow? ??? ?? ??? ???.
? ? ?? ?? ???
8
??? ??Achromat
? ???. ? ?? ? ??? ??? ??? ??? ???
? ?????? ???, ?? ???
? Abbe Number? ?? V? ????.
fRfB? ?? ?? ??
Achromat
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