Spectral focusing: High spectral resolution spectroscopy with broad-bandwidth laser pulses

Thomas Hellerer; Annika M.K. Enejder; Andreas Zumbusch

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Spectral focusing: High spectral resolution spectroscopy with broad-bandwidth laser pulses

机译：光谱聚焦：具有宽带激光脉冲的高光谱分辨率光谱

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摘要

In this work, we show how broad-bandwidth femtosecond pulses can be used to achieve high spectral resolution in nonlinear spectroscopy and microscopy. Our approach is based on chirping the excitation pulses in order to focus their entire bandwidth into a narrow spectral region. We show that spectral features which are 100 times narrower than the excitation light can be resolved with this simple spectral focusing. The gain in spectral selectivity and sensitivity makes its application to nonlinear microscopy very convenient. This is demonstrated with diffraction-limited coherent anti-Stokes Raman scattering microscopy.

机译：在这项工作中，我们展示了如何在非线性光谱学和显微技术中使用宽带飞秒脉冲来实现高光谱分辨率。我们的方法基于chi激励脉冲，以便将其整个带宽聚焦在一个狭窄的光谱区域中。我们表明，通过这种简单的光谱聚焦可以解决比激发光窄100倍的光谱特征。光谱选择性和灵敏度的提高使其在非线性显微镜中的应用非常方便。衍射极限相干反斯托克斯拉曼散射显微镜证明了这一点。

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来源
《Applied Physics Letters》 |2004年第1期|p.25-27|共3页
作者
Thomas Hellerer; Annika M.K. Enejder; Andreas Zumbusch;
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作者单位

Department Chemie, Ludwig-Maximilians Universitat Munchen, Butenandtstrasse 11, D-81377 Munchen, Germany;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类应用物理学;
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专利

1. Limiting temporal and spectral resolution in spectroscopy and microscopy of coherent Raman scattering with chirped ultrashort laser pulses [J] . Zheltikov AM Journal of Experimental and Theoretical Physics . 2005,第5期

机译：chi和超短激光脉冲的相干拉曼散射在光谱学和显微镜中的时间和光谱分辨率受到限制
2. Interplay of pulse bandwidth and spectral resolution in spectral-focusing CARS microscopy [J] . Cole R. A., Slepkov A. D. Journal of the Optical Society of America, B. Optical Physics . 2018,第4期

机译：脉冲带宽和光谱分辨率在光谱聚焦车显微镜中的相互作用
3. Spectral properties of spatially and spectrally partially coherent cosh-Gaussian pulsed beams focused by an aperture lens [J] . Dongbing Liu, Chaoliang Ding, Baida Lu Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter . 2010,第3期

机译：光圈透镜聚焦的空间和光谱部分相干的Cosh高斯脉冲光束的光谱特性
4. Intravital real-time study of tissue response to controlled laser-induced cavitation using 500-ps UV laser pulses focused in murine gut mucosa under online dosimetry and spectrally resolved 2-photon microscopy [C] . Regina Orzekowsky-Schroeder, Antje Klinger, Anna Schiith, Imaging, manipulation, and analysis of biomolecules, cells, and tissues VIII . 2010

机译：使用在线剂量法和光谱分辨2光子显微镜在小鼠肠道粘膜上聚焦的500 ps紫外激光脉冲对组织对受控激光诱导的空化的反应进行活体内实时研究
5. Development of injection-seeded optical parametric laser systems with pulsed dye amplifiers for high-spectral-resolution combustion diagnostics. [D] . Bhuiyan, Aizaz Hossain. 2012

机译：开发带有脉冲染料放大器的播种光学参量激光系统，用于高光谱分辨率燃烧诊断。
6. High spectral resolution second harmonic generation microspectroscopy at thin layer interfaces with broadband continuum pulses [O] . M. Mokim, A. Card, F. Ganikhanov 2019

机译：薄层的高光谱分辨率二次谐波产生显微技术与宽带连续脉冲的相互作用
7. Low-Frequency Coherent Raman Spectroscopy Using Spectral-Focusing of Chirped Laser Pulses [O] . Masahiko Tani, Masakazu Hibi, Kohji Yamamoto, 2012

机译：使用啁啾激光脉冲的光谱聚焦低频相干拉曼光谱

Spectral focusing: High spectral resolution spectroscopy with broad-bandwidth laser pulses

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