학술논문

Background-Free Vibrational Spectroscopy Based on Destructive Interference Around 2.3 μm
Document Type
Conference
Source
2022 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2022 Conference on. :1-2 Jul, 2022
Subject
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Fields, Waves and Electromagnetics
Photonics and Electrooptics
Spectroscopy
Zinc compounds
Sensitivity
Laser noise
Laser mode locking
Measurement by laser beam
Gas lasers
Language
Abstract
We demonstrate background-free vibrational spectroscopy by using a mode-locked Cr:ZnS laser and a well-stabilized interferometer. The Allan deviation measurement indicates a potential sensitivity of $3.57\times 10^{-6}\text{Hz}^{-1/2}$ as normalized noise equivalent absorption.