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Calibrating light detectors

Calibrating light detectors

A200/0419

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Credit

ANDREW BROOKES, NATIONAL PHYSICAL LABORATORY / SCIENCE PHOTO LIBRARY ANDREW BROOKES, NATIONAL PHYSICAL LABORATORY / SCIENCE PHOTO LIBRARY

Caption

Calibrating light detectors. Scientist working with a spectral responsivity facility to calibrate light detectors so that they can accurately measure infrared, ultraviolet and visible light. This machine uses a monochromator, an instrument that can be programmed to emit a narrow wavelength range of light (such as the 450-495 nanometre range for blue light). The detectors are then calibrated so that their readings match those of the standard values programmed into the monochromator. Photographed at the National Physical Laboratory in Teddington, UK.

Release details

Model release not available. Property release not required.

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