Single-detector double-beam modulation for high-sensitivity infrared spectroscopy

Abstract Balanced detection based on double beams is widely used to reduce common-mode noises, such as laser intensity fluctuation and irregular wavelength scanning, in absorption spectroscopy. However, employing an additional detector can increase the total system noise due to added non-negligible...

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Bibliographic Details
Main Authors: Seong-Min Kim, Yow-Ren Chang, Young Jong Lee
Format: Article
Language:English
Published: Nature Portfolio 2023-10-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-023-44740-0