固态钒酸盐激光器和 213 nm 瑞利抑制滤波器实现了微型化深紫外拉曼光谱仪。

IF 2.2 3区化学 Q2 INSTRUMENTS & INSTRUMENTATION

Applied Spectroscopy Pub Date : 2024-09-26 DOI:10.1177/00037028241280722

Sergei V Bykov, Sanford A Asher

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引用次数: 0

摘要

高效 213 nm 瑞利衰减滤光片 (RRF) 与小型化 213 nm 掺钕钒酸盐激光器的组合可实现便携式深紫外（UV）拉曼光谱仪。我们利用小型 213 nm 钒酸盐激光器测量聚四氟乙烯的高信噪比紫外拉曼光谱和固体硝酸铵的紫外共振拉曼光谱，展示了绿色光学有限公司生产的 213 nm RRF 的高效率。我们还演示了对硝酸铵紫外光解过程中形成的痕量氨的紫外共振拉曼检测。我们粗略估计，在我们的实验条件下，氨的 UVRR 检测限为 10 ng。

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Solid State Vanadate Laser and 213 nm Rayleigh Rejection Filter Enable Miniaturized Deep Ultraviolet Raman Spectrometers.

A combination of a highly efficient 213 nm Rayleigh rejection filter (RRF) and a miniaturized 213 nm neodymium-doped vanadate laser enables portable deep ultraviolet (UV) Raman spectrometers. We demonstrate the high efficiency of 213 nm RRF manufactured by Green Optics Co., Ltd by utilizing our compact 213 nm vanadate laser to measure high signal-to-noise ratio UV Raman spectra of Teflon and UV resonance Raman (UVRR) spectra of solid ammonium nitrate. We also demonstrate UVRR detection of trace amounts of ammonia formed during ammonium nitrate UV photolysis. We roughly estimate the ammonia UVRR detection limit of ∼10 ng under our experimental conditions.

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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.”