perfect lens A hypothetical lens exhibiting zero aberrations and able to focus light to a single point. It is a useful concept for ray tracing. Related MicroscopyU Article Perfect Lens Characteristics The simplest imaging element in an optical microscope is a perfect lens, which is an ideally corrected glass element that is free of aberration and focuses light onto a single point. This tutorial explores how light waves propagate through and are focused by a perfect lens.
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