Multimodal laser-scanning nonlinear optical microscope with a rapid broadband Fourier-transform coherent Raman modality.

Multimodal laser-scanning nonlinear optical microscope with a rapid broadband Fourier-transform coherent Raman modality.
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具有快速宽带傅立叶变换相干拉曼模态的多模态激光扫描非线性光学显微镜。

DOI:
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发表时间:
2020
期刊:
影响因子:
3.8
通讯作者:
T. Ideguchi
T. Ideguchi
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
F. Sinjab;K. Hashimoto;V. R. Badarla;J. Omachi;T. Ideguchi

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非线性光学显微镜允许快速高分辨率显微镜,其图像对比度由样品的固有属性产生。已建立的模式,如多光子激发荧光和二次/三次谐波产生,可以与其他非线性技术相结合,如相干拉曼光谱,这些技术通常允许对样品的单一共振振动模式进行化学成像。在这里,我们利用单一的超快激光光源在显微镜上获得宽带相干拉曼光谱,并在同一仪器上使用其他非线性显微镜方法。我们证明,相干拉曼模式允许宽带测量(>1000 cm-1)、高光谱分辨率(<5 cm-1)和快速光谱采集速率(3-12 kHz)。这使得能够以每秒11帧的速度对千像素图像进行拉曼高光谱成像。
Nonlinear optical microscopy allows for rapid high-resolution microscopy with image contrast generated from the intrinsic properties of the sample. Established modalities, such as multiphoton excited fluorescence and second/third-harmonic generation, can be combined with other nonlinear techniques, such as coherent Raman spectroscopy, which typically allow chemical imaging of a single resonant vibrational mode of a sample. Here, we utilize a single ultrafast laser source to obtain broadband coherent Raman spectra on a microscope, together with other nonlinear microscopy approaches on the same instrument. We demonstrate that the coherent Raman modality allows broadband measurement (>1000 cm-1), with high spectral resolution (<5 cm-1), with a rapid spectral acquisition rate (3-12 kHz). This enables Raman hyperspectral imaging of kilo-pixel images at >11 frames per second.
DOI: 10.1016/j.jsb.2008.07.002
发表时间: 2008-10
影响因子: 3
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