GradedIndex(GRIN)LensesGradedIndex(GRIN)LensesWhatisGrinLensesWhatisGrinLenses•GrinLensesareshortcylindricallengthsofglasswithagradedrefractiveindex:theindexdecreaseswiththesquareofthedistancefromtheaxisofthelens.•GrinLensesareverysimilartogradedindexfibreandaresometimescalledSELFOClenses.SphericallensGrinLensSphericallensGrinLens1、均匀折射率分布材料2、依靠弯曲的光学界面实现光学成像3、通过非...
