Lecture
Thermal Sensors: Bolometers & Thermopiles
In course
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Description
This lecture covers the principles and applications of thermal sensors, focusing on bolometers and thermopiles. Bolometers measure radiation absorption through resistance variation, while thermopiles use thermocouple junctions to detect temperature changes. The discussion includes the design, sensitivity, and response of these sensors, as well as the challenges and techniques in cryogenic sensor technology. Additionally, the lecture explores the construction and operation of superconducting bolometers, emphasizing their unique properties at low temperatures. The use of thermopiles in IR thermal sensing and the comparison of different materials for sensor optimization are also discussed.
Instructors (2)
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