Sensitivity measuring device of a visible fiber optic spectrometer
A fiber optic spectrometer and measuring device technology, which is applied to measuring devices, optical radiation measurement, spectrometry/spectrophotometry/monochromator, etc., can solve the problem that the measurement error of the sensitivity index of the optical fiber spectrometer is uncontrollable, and the visible light band cannot be effectively applied. , the inability to obtain reliability and other problems, to achieve the effect of solving the search and accurate measurement
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[0019] Such as figure 1 As shown, in order to solve the deficiencies and defects of the prior art methods, the present invention proposes a fiber optic spectrometer sensitivity measurement device in the visible light band, including a narrow linewidth laser source 1 connected and communicated in sequence, a first optical fiber jumper 2, a first Adjustable optical attenuator 3 , second optical fiber jumper 4 , second adjustable optical attenuator 5 , third optical fiber jumper 6 , optical fiber spectrometer 7 , and optical power meter 8 .
[0020] When the optical signal generated by the narrow linewidth laser source 1 enters the first adjustable optical attenuator 3 through the first optical fiber jumper 2, and then is transmitted to the second adjustable optical attenuator 5 by the second optical fiber jumper 4, and then The third optical fiber jumper 6 is transmitted to the measured fiber optic spectrometer 7, and through the constant attenuation adjustment of the second adj...
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