Hyperspectral infrared laser polarimetry for single-shot phase-amplitude imaging of thin films

Furchner Andreas; Kratz Christoph; Rappich Joerg; Hinrichs Karsten

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Hyperspectral infrared laser polarimetry for single-shot phase-amplitude imaging of thin films

机译：高光谱红外激光偏振偏振片，用于薄膜的单次相位幅度成像

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We recently presented a novel laser-based infrared (IR) spectroscopic phase -amplitude polarimeter for sub-decisecond and sub-mm(2) measurements of organic thin films [Opt. Lett. 44, 4387 (2019)]. Here we report on the hyperspectralimaging capabilities of this device. The single-shot polarimeter employs a broadly tunable mid-IR (1318-1765 cm(-1)) quantum cascade laser (QCL) and a four-channel beam-division design for simultaneous phase and amplitude measurements. Fast QCL tuning speeds of up to 1500 cm(-1)/s enable hyperspectral mapping of large sample areas (50 x 50 mm(2)) within several tens of minutes, achieving 120 mu m spatial and <0.5 cm(-1) spectral resolution. We apply the instrument for imaging both the heterogeneous chemical and structural properties of sub-100 nm thin polymer and fatty-acid films. Our polarimeter opens up new applications regarding laterally resolved IR analyses of complex thin films. (C) 2019 Optical Society of America

机译：我们最近介绍了一种新的基于激光的红外（IR）光谱相位 - 光学相位数，用于亚级二癸磺和子MM（2）测量的有机薄膜[选择。吧。 44,4387（2019）]。在这里，我们报告了该设备的高光刻功能。单次偏振仪采用广泛的MID-IR（1318-1765cm（-1））量子级联激光（QCL）和四通道梁分割设计，用于同时相位和幅度测量。快速QCL调谐速度高达1500厘米（-1）/ s，使大型样品区域的高光谱映射（50×50mm（2））在几十分钟内，实现120μm空间和<0.5cm（-1）光谱分辨率。我们应用用于成像亚100nm薄聚合物和脂肪酸薄膜的异质化学和结构性能的仪器。我们的偏振仪开辟了关于复杂薄膜的横向分辨的IR分析的新应用。（c）2019年光学学会

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《Optics Letters》 |2019年第19期|共4页
作者
Furchner Andreas; Kratz Christoph; Rappich Joerg; Hinrichs Karsten;
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ISAS eV Leibniz Inst Analyt Wissensch Schwarzschildstr 8 D-12489 Berlin Germany;

ISAS eV Leibniz Inst Analyt Wissensch Schwarzschildstr 8 D-12489 Berlin Germany;

Helmholtz Zentrum Berlin Mat &

Energie GmbH Inst Silizium Photovolta Kekulestr 5 D-12489 Berlin Germany;

ISAS eV Leibniz Inst Analyt Wissensch Schwarzschildstr 8 D-12489 Berlin Germany;

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正文语种 eng
中图分类计量学;光学;
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1. Hyperspectral infrared laser polarimetry for single-shot phase-amplitude imaging of thin films [J] . Furchner Andreas, Kratz Christoph, Rappich Joerg, Optics Letters . 2019,第19期

机译：高光谱红外激光偏振偏振片，用于薄膜的单次相位幅度成像
2. Infrared-spectroscopic single-shot laser mapping ellipsometry: Proof of concept for fast investigations of structured surfaces and interactions in organic thin films [J] . Andreas Furchner, Christoph Kratz, Dimitra Gkogkou, Applied Surface Science . 2017,第PTaB期

机译：红外光谱单次激光成像椭圆偏振法：用于快速研究有机薄膜中结构化表面和相互作用的概念证明
3. Formation of nanoparticles from thin silver films under a liquid layer by single-shot nanosecond laser action [J] . Y. Kazakova, Y. Andreeva, M. Sergeev, Optical and quantum electronics . 2020,第2期

机译：通过单次纳秒激光作用在液体层下由银薄膜形成纳米颗粒
4. Stand-off Detection of Liquid Thin Films using Active Mid-Infrared Hyperspectral Imaging [C] . L. Maidment, Z. Zhang, C. R. Howle, Electro-optical and infrared systems: technology and applications VII . 2015

机译：使用主动中红外高光谱成像对液体薄膜进行隔离检测
5. Laser-induced chemistry: A. Infrared laser probing of reactions products. B. Laser-assisted deposition of thin films. [D] . Simianu, Valerian Constantin. 1995

机译：激光诱导化学：A.反应产物的红外激光探测。 B.激光辅助沉积薄膜。
6. Electrostatically Tuned Optical Filters Based on Hybrid Plasmonic-Dielectric Thin Films for Hyperspectral Imaging [O] . Ahmed Abdelghfar, Mohamed A. Mousa, Bassant M. Fouad, 2021

机译：基于混合等离子体介电薄膜的静电调谐光学滤膜进行高光谱成像
7. Radiation damage to amorphous carbon thin films irradiated by multiple 46.9 nm laser shots below the single-shot damage threshold [O] . L. Juha, V. Hájková, J. Chalupský, 2009

机译：由多个46.9 nm激光射击照射的无定形碳薄膜损伤的辐射损伤在单次损伤阈值以下

Hyperspectral infrared laser polarimetry for single-shot phase-amplitude imaging of thin films

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