2020年7月3日 · Nano-FTIR spectroscopy based on Fourier transform infrared near-field spectroscopy allows for label-free chemical nanocharacterization of organic and inorganic composite surfaces. The...

2019年10月25日 · Scattering scanning near-field optical microscopy (s-SNOM) is a unique technique able to unveil broadband complex optical response of materials with spatial resolution better than 25 nm (19, 20). In s-SNOM, free-space radiation (incident IR beam broad radiation) is closely confined at the apex of a metallic AFM tip driven by an antenna effect.

2017年2月15日 · Here we introduce hyperspectral infrared nanoimaging based on Fourier transform infrared nanospectroscopy with a tunable bandwidth-limited laser continuum. We describe the technical implementations...

2022年2月28日 · Here, we demonstrate non-degenerate heterodyne pump-probe infrared scattering scanning near-field optical microscopy (HPP IR s -SNOM) with low-repetition-rate modulated excitation, which provides...

2012年6月15日 · We demonstrate Fourier transform infrared nanospectroscopy (nano-FTIR) based on a scattering-type scanning near-field optical microscope (s-SNOM) equipped with a coherent-continuum infrared light s...

2020年9月21日 · Scattering-type scanning near-field optical microscopy (s-SNOM) and its derivate, Fourier transform infrared nanospectroscopy (nano-FTIR), are emerging techniques for infrared (IR) nanoimaging and spectroscopy, with applications in diverse fields ranging from nanophotonics, chemical imaging, and materials science.

Nano-FTIR (nanoscale Fourier transform infrared spectroscopy) is a scanning probe technique that utilizes as a combination of two techniques: Fourier transform infrared spectroscopy (FTIR) and scattering-type scanning near-field optical microscopy (s-SNOM). As s-SNOM, nano-FTIR is based on atomic-force microscopy (AFM), where a sharp tip is ...

2013年4月1日 · Scattering-type scanning near-field optical microscopy (s-SNOM) and Fourier transform infrared nanospectroscopy (nano-FTIR) are emerging tools for nanoscale chemical material identification. Here, we push s-SNOM and nano-FTIR one important step further by enabling them to quantitatively measure local dielectric constants and infrared absorption.

性能最高的红外 snom 光谱仪，提供最先进的 nanoir 激光源。 纳米 ftir 光谱与集成 dfg，基于连续的激光源; 宽带同步加速器光源集成; 用于光谱和化学成像的多芯片 qcl 激光源

德国Neaspec公司提供的新一代近场光学显微镜采用了这一散射式技术，高分辨率可达10nm，并通过的赝外差数据分析模式，同时解析强度和相位信号，解决了纳米材料尤其是在红外光谱范围的近场光学成像难题。 近几年，散射式近场光学显微技术在局域表面等离子激元，无机材料表面波传导，二维材料声子极化，近场光电流，半导体载流子浓度，高分子材料鉴别和生物样品成像等领域研究得到了广泛的应用，并已然成为了推动光学物理、材料应用发展的重要工具。 中红外光谱 …