Измерение нестационарной температуры методом спектральной пирометрии

Приборы и техника эксперимента. 2012. № 1. С. 143–148.

Lapshinov B. A., Magunov A. N., Zakharov A. O.

Recording of a sequence of thermal-radiation spectra allows determination of a nonstationary temperature T(t) without using the data on the emissivity of an object. For a КЭФ-4.5 silicon single crystal heated with radiation from a continuous-wave Nd:YAG laser (λ = 1.064 μm), sequences of hundreds of emission spectra in wavelength ranges of λ = 350–760 nm and λ = 650–1000 nm were recorded at a signal storage time of a CCD array of τ = 15–35 ms and a frequency of recording spectra of f ≈ 30–66 Hz. The spectra were automatically processed, and the dependences of the crystal temperature on the time after the irradiation onset were obtained in the range T ≈ 1100–1450 K.

Keywords: спектральная пирометрия, тепловое излучение, спектры излучения, thermal radiation, nonstationary temperatures, spectral radiation, CCD spectromrters, spectral pyrometry methods, нестационарная температура, п.з.с.-спектрометр