CPC G02B 21/0008 (2013.01) | 20 Claims |
1. An apparatus comprising:
a sensor structure comprising
an array of photosensitive elements, and
a sample surface arranged to receive a sample, and
electronics configured to process electrical signals from the array of photosensitive elements to derive an image representing the sample and to use the image to identify features of components within the sample,
the sensor structure comprising a coating between the array of photosensitive elements and the sample surface, the coating configured to aid light collection by the photosensitive elements,
wherein the array of photosensitive elements, the sample surface, and the coating are arranged such that, when the sample is situated on the sample surface, light from point sources of emission or scattering by at least part of the sample are predominantly incident on respective photosensitive elements directly below each point source.
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