Smaller, denser, better illuminators for computational microscopy

Seeking to expand the possibilities offered by programmable illumination, a group of researchers at the University of Connecticut developed a strategy for constructing and calibrating freeform illuminators offering greater ...

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Calibration

Calibration is a comparison between measurements – one of known magnitude or correctness made or set with one device and another measurement made in as similar a way as possible with a second device.

The device with the known or assigned correctness is called the standard. The second device is the unit under test, test instrument, or any of several other names for the device being calibrated.

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