Compact fiber-integrated scattering device based on mixed-phase TiO<sub>2</sub> for speckle spectrometer
Runze Zhu, Yu Lei, Shengjie Wan, Yifeng Xiong, Yushu Wang, Ye Chen, Fei Xu
Abstract
A universal, repeatable, and controllable integration of single-mode optical fiber and mixed-phase TiO 2 is used to manufacture a compact fiber-integrated scattering device. Based on the device, we achieve a high-performance and compact fiber-based speckle spectrometer, which has a resolution of 20 pm over a bandwidth of 15 nm, in the 1550 nm range. We test the capability of our proposed spectrometer to reconstruct narrow linewidth and broadband optical spectrums, and compare the performance with that of a traditional optical spectrum analyzer.
Topics & Concepts
OpticsLaser linewidthSpectrometerBroadbandSpeckle patternScatteringBandwidth (computing)Materials scienceOptical fiberResolution (logic)Image resolutionLight scatteringPhysicsSpeckle noiseRaman scatteringForward scatterOptoelectronicsTime delay and integrationStray lightSpectral resolutionOptical and Acousto-Optic TechnologiesOptical Polarization and EllipsometrySurface Roughness and Optical Measurements