Constant temperature integrating sphere spectral analysis device
A spectrum analysis, integrating sphere technology, applied in measurement devices, spectrometry/spectrophotometry/monochromator, spectrum survey, etc., can solve the problems of large measurement error, placed in external space, no temperature control, etc. To achieve the effect of convenient and fast operation, high measurement accuracy and stable performance
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Embodiment 1
[0025] like figure 1 The shown constant temperature integrating sphere spectrum analysis device comprises a closed casing 1, and an integrating sphere 2, a spectrometer 3, a temperature control device 4, a first temperature sensor (5-1), a second temperature sensor (5-1) are arranged in the closed casing 1 2), Integrating sphere ventilation hole 6, measured light source 7, detection window 8, temperature control cavity ventilation hole 9, power supply 10, power meter 11 and central control unit 12, etc. There are four integrating sphere ventilation holes 6 on the integrating sphere 2, and the refrigeration module 4a of the temperature regulating device 4 is located near the integrating sphere ventilation holes 6 above, and the refrigeration module 4a is a commonly used air-conditioning refrigeration system, and the heating of the temperature regulating device 4 The module 4b is located near the ventilation hole 6 of the integrating sphere below, and the heating module 4b is re...
Embodiment 2
[0030] like image 3As shown, similar to Embodiment 1, the closed casing 1 in this embodiment includes an integrating sphere 2 and a spectrometer 3, and outside the closed casing 1, a power supply to the measured light source 7 is provided independently of the closed casing 1 10 and a power meter 11 for measuring the electrical parameters of the measured light source 7, and a central control unit 12. Only one temperature regulating device 4 is arranged inside the closed casing 1, and the temperature regulating device 4 has a refrigeration module 4a and a heating module 4b, the refrigeration module 4a is located above the closed casing 1, and the heating module 4b is located at the top of the closed casing 1 below. The spectrometer 3 is located outside the integrating sphere 2 and receives the optical signal from the detection window 8 of the integrating sphere 2 through an optical fiber. The first temperature sensor 5-1 is set inside the integrating sphere, the second temper...
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