Radiation brightness compensation type heat radiation infrared light source system and method
A technology of radiance and infrared light source, which is applied in control/regulation systems, light control, instruments, etc., can solve the problems of infrared light source spectral radiance output changes, spectral radiance stability, self-aging, etc., to achieve good The effect of stability and noise immunity
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[0014] Attached below Figure 2-3 Further technical description of the present invention:
[0015] Such as Figure 2-3 As shown, the system of the present invention includes a ceramic heating element 1, an adjusting optical path 3 and a constant current power supply 2, and the adjusting optical path is composed of an output optical path 31 and a measuring optical path 32. Electric energy is converted into heat energy under the action of electric current. Most of the spectral radiation emitted by the ceramic heating element 1 is adjusted to parallel output radiation through the output optical path 31. At the same time, a small part of the spectral radiation is converged by the measuring optical path 32 and projected on the infrared detector 41. The infrared detector 41 photoelectrically converts it into a weak electrical signal, and after being shaped, filtered, and amplified by the signal processing circuit 42, it enters the compensation controller 43, and the compensation co...
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