Review on Speckle-Based Spectrum Analyzer

• 作者: Yangyang WAN Xinyu FAN Zuyuan HE
• 来源期刊: 光子传感器（英文版）
• 年，卷（期）: 2021,（2）
• 页码范围: 187-202
• 页数: 16页
• 语种: 英文
• DOI: 10.1007/s13320-021-0628-3

摘要

Accurate spectral measurement and wavelength determination are fundamental and vital for many fields.A compact spectrum analyzer with high performance is expected to meet the growing requirements,and speckle-based spectrum analyzer is a potential solution.The basic principle is based on using the random medium to establish a speckle-to-wavelength mapping relationship for spectrum reconstruction.This article introduces current speckle-based spectrum analyzers with different schemes and reviews recent advances in this field.Besides,some applications by using speckle-based spectrum analyzers are also introduced.Finally,the existing challenges and the future prospects of using speckle for spectrum recovery are discussed.