Radiometer

Bol

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A radiometer is a device for measuring the radiant flux (power) of electromagnetic radiation. Generally, the term "radiometer" denotes an infrared radiation detector, yet it also comprises detectors operating on any electromagnetic wavelength, e.g. spectroradiometer. A radiometer's characteristics are: * spectral range * spectral sensitivity * angle of view * directional response Radiometers detect and measure radiation as thermal (convert absorbed energy to a signal) and photodiode (photons absorbed at a constant response/quantum). The radiometer's radiation-detecting bolometer absorbs radiation falling upon it, raising its temperature, then is measured with a thermometer. The higher temperature might be related to the incident radiation's power.

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Pagina's: 96, Paperback, Betascript Publishers