论文标题
增强的光谱分辨率用于宽带连贯的反stokes拉曼光谱法
Enhanced spectral resolution for broadband coherent anti-Stokes Raman spectroscopy
论文作者
论文摘要
宽带傅立叶转换相干反stokes拉曼光谱的光谱分辨率受到最大光路长度差的限制，可以在干涉仪中短时间内扫描。但是，存在傅立叶转变的替代方案，可以用某些假设绕过此限制。我们使用短延迟线（低光谱分辨率）和较大的延迟线（高傅立叶光谱分辨率）的干涉仪对宽带相干拉曼光谱仪应用一种这种方法。通过这种方法，我们证明了使用短延迟线干涉仪可以使用短延迟线干涉仪，可以使用较长的延迟线仪器的频谱分辨率来证明紧密间隔振动带的宽带连贯的拉曼光谱。我们讨论这种方法对于更复杂的拉曼光谱特别有用，例如从生物样品中测得的方法。
The spectral resolution of broadband Fourier-transform coherent anti-Stokes Raman spectroscopy is limited by the maximum optical path length difference that can be scanned within a short time in an interferometer. However, alternatives to the Fourier-transform exist which can bypass this limitation with certain assumptions. We apply one such approach to broadband coherent Raman spectroscopy using interferometers with short delay line (low Fourier spectral resolution) and large delay line (high Fourier spectral resolution). With this method, we demonstrate broadband coherent Raman spectroscopy of closely spaced vibrational bands is possible using a short delay line interferometer, with superior spectral resolution to the longer delay line instrument. We discuss how this approach may be particularly useful for more complex Raman spectra, such as those measured from biological samples.
