用于中红外成像的简单双透镜设计

IF 2.2 3区化学 Q2 INSTRUMENTS & INSTRUMENTATION

Applied Spectroscopy Pub Date : 2024-05-02 DOI:10.1177/00037028241250030

Claire E. Nelmark, Arnaldo L. Serrano

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引用次数: 0

摘要

宽场中红外（MIR）高光谱成像技术能够独立描述样品不同区域的分子特性，为研究异质化学体系提供了一种前景广阔的方法。然而，宽场中红外显微镜的应用仅限于空间分辨率不超过 1 μm。虽然有方法可以克服 ∼λ/2 的经典衍射极限，但透射成像产生的色差降低了可实现的分辨率。在此，我们介绍了一种简单的中红外消色差透镜组合的设计和实施，相信它将有助于开发分辨率增强型宽视场中红外高光谱光学和化学吸收成像。我们还研究了使用这种双透镜通过聚苯乙烯微球成像的情况，这是一种新兴的提高空间分辨率的简单方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Simple Doublet Lens Design for Mid-Infrared Imaging

Wide-field mid-infrared (MIR) hyperspectral imaging offers a promising approach for studying heterogeneous chemical systems due to its ability to independently characterize the molecular properties of different regions of a sample. However, applications of wide-field MIR microscopy are limited to spatial resolutions no better than ∼1 μm. While methods exist to overcome the classical diffraction limit of ∼λ/2, chromatic aberration from transmissive imaging reduces the achievable resolution. Here we describe the design and implementation of a simple MIR achromatic lens combination that we believe will aid in the development of resolution-enhanced wide-field MIR hyperspectral optical and chemical absorption imaging. We also examine the use of this doublet lens to image through polystyrene microspheres, an emerging and simple means for enhancing spatial resolution.

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来源期刊

Applied Spectroscopy 工程技术-光谱学

CiteScore

6.60

自引率

5.70%

发文量

139

审稿时长

3.5 months

期刊介绍： Applied Spectroscopy is one of the world''s leading spectroscopy journals, publishing high-quality peer-reviewed articles, both fundamental and applied, covering all aspects of spectroscopy. Established in 1951, the journal is owned by the Society for Applied Spectroscopy and is published monthly. The journal is dedicated to fulfilling the mission of the Society to “…advance and disseminate knowledge and information concerning the art and science of spectroscopy and other allied sciences.”