高分辨傅里叶变换激光腔内吸收光谱方法:原理和应用

HIGH RESOLUTION FOURIER-TRANSFORM INTRA-CAVITY LASER ABSORPTION SPECTROSCOPY: THEORY AND APPLICATION

介绍了使用连续扫描方式工作的傅里叶变换光谱仪来探测激光腔内吸收光谱的原理 ,并探讨了傅里叶变换激光腔内吸收光谱方法测量光谱谱线和强度的工作方式 .通过对大气中水汽在 12 45 0— 12 70 0cm-1波段的高分辨吸收光谱的实际测量 ,检验了该方法的可靠性 ,并使用该方法测量了重水分子 (D2 O和HDO)

The theory of detecting the Intra\|cavity Laser Absorption Spectroscopy by utilizing a continuous\|scan high\|resolution Fourier\|transform interferometer is introduced.The method to record the position and intensity of absorption lines with the Fourier\|transform Intra\|cavity Laser Absorption Spectrometer is discussed.By recording the atmospheric water absorption in the region of 12450—12700?cm\+\{-1\},the reliability of this method is investigated.And the technique is applied to record the ν \-\{OD\} = 5 stretching overtone of the deuterated water(D 2O and HDO).