Fourier-TransformInfraredSpectroscopy(FTIR)

2020-09-04 17:08  下载量:0

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When a sample is exposed to infrared radiation, the dipole moment will be excited by absorbing the radiation with a specific wavelength. The vibrational energy will be excited from the ground state to the excited state.Unlike dispersive spectroscopy, Fourier-transform infrared spectroscopy (FTIR) contains many frequencies of light at once and measure absorption. Next, the beam contains a different combination of frequencies of light and repeat it. After repeating several times, the raw data will be processed to resulting data cm-1, wavenumber.This process is called the Fourier Transform.

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