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Optical components measurement

Various substances have different reflectance, transmittance and absorptance of light. The composition and properties of substance can be learned by spectral measurements of above properties. Reflection and transmission spectroscopy are the basic means of spectral measurement. To achieve these two spectral measurements, spectrometers, light sources, optical fibres, measurement brackets, standard reference samples and measurement software are usually required. A wide range of wavelengths available is necessary to improve the accuracy of data. This means a broad spectrum light source is needed. In the absence of a spectrometer, it also can be replaced by NPI’s tunable laser and a power meter. 

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