Spectrometer, spectrometry, and spectrometry program

A spectroscopic measurement method using a spectroscopic measurement apparatus including:

• an integrating sphere in which a sample as a measurement object is located, and having an entrance aperture for inputting excitation light with which the sample is irradiated, and an exit aperture for outputting light to be measured from the sample;
• irradiation light supplying means supplying the excitation light as irradiation light supplied via the entrance aperture to the interior of the integrating sphere;
• a sample container holding the sample at a predetermined position in the interior of the integrating sphere;
• and
• spectroscopic means dispersing the light to be measured output from the exit aperture of the integrating sphere and obtaining a wavelength spectrum,
• wherein the irradiation light supplying means is configured so as to be able to supply white light as the irradiation light in addition to the excitation light, so that the irradiation light supplying means can switch the irradiation light to the integrating sphere between the excitation light and the white light, and
• wherein the spectroscopic measurement method performs data analysis of the wavelength spectrum obtained by the spectroscopic means, and comprises;
• a correction data obtaining step of obtaining correction data for correcting the wavelength spectrum by considering absorption of at least one of the excitation light and the light to be measured by the sample container;
• a sample information analyzing step of obtaining information of the sample by correcting the wavelength spectrum with the correction data and analyzing the corrected wavelength spectrum;
• a first reference measurement step of performing a measurement by supplying the white light to the interior of the integrating sphere without the sample and without the sample container;
• a first sample measurement step of performing a measurement by supplying the white light to the interior of the integrating sphere without the sample and with the sample container;
• and
• a correction data calculating step of calculating the correction data, showing a correction value at each wavelength for the wavelength spectrum, on the basis of measurement results of the first reference measurement step and the first sample measurement step.

A non-transitory computer-readable storage medium having embodied thereon a spectroscopic measurement program being applied to a spectroscopic measurement apparatus including:

• an integrating sphere in which a sample as a measurement object is located, and having an entrance aperture for inputting excitation light with which the sample is irradiated, and an exit aperture for outputting light to be measured from the sample;
• irradiation light supplying means supplying the excitation light as irradiation light supplied via the entrance aperture to the interior of the integrating sphere;
• a sample container holding the sample at a predetermined position in the interior of the integrating sphere;
• and
• spectroscopic means dispersing the light to be measured output from the exit aperture of the integrating sphere and obtaining a wavelength spectrum,
• wherein the irradiation light supplying means is configured so as to be able to supply white light as the irradiation light in addition to the excitation light, so that the irradiation light supplying means can switch the irradiation light to the integrating sphere between the excitation light and the white light, and
• wherein the program makes a computer execute data analysis of the wavelength spectrum obtained by the spectroscopic means, and makes the computer execute:
• a correction data obtaining process of obtaining correction data for correcting the wavelength spectrum by considering absorption of at least one of the excitation light and the light to be measured by the sample container;
• a sample information analyzing process of obtaining information of the sample by correcting the wavelength spectrum with the correction data and analyzing the corrected wavelength spectrum;
• and
• a correction data calculating process of calculating the correction data, showing a correction value at each wavelength for the wavelength spectrum, on the basis of a measurement result of a first reference measurement of performing a measurement by supplying the white light to the interior of the integrating sphere without the sample and without the sample container, and a measurement result of a first sample measurement of performing a measurement by supplying the white light to the interior of the integrating sphere without the sample and with the sample container.