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A METHOD TO REMOVE THE SPECTRAL COMPONENTS OF ILLUMINATION ENERGY FROM A SAMPLE SPECTRUM WITHOUT THE USE OF OPTICAL BARRIER FILTERS
A METHOD TO REMOVE THE SPECTRAL COMPONENTS OF ILLUMINATION ENERGY FROM A SAMPLE SPECTRUM WITHOUT THE USE OF OPTICAL BARRIER FILTERS
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机译:一种在不使用光学屏障滤光片的情况下从样品谱去除照明能量的光谱分量的方法
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摘要
The present invention is a method of obtaining and isolating sample spectra from a wide wavelength illumination source without the use of filters. The method obtains the combined sample and illumination spectra of a sample and removes the illumination spectrum from the combined spectrum. This is accomplished by obtaining both the combined sample/illumination spectrum and the illumination spectrum separately at the same time and under the same environmental and instrument conditions. The illumination spectrum is then subtracted, wavelength by wavelength from the combined sample/illumination spectrum, leaving the pure sample spectrum which may a single spectrum or combination of two or more spectra from different types and/or compounds in the sample.
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