Microtaper leaky-mode spectrometer with picometer resolution

Qingqing Cen; Sijie Pian; Xinhang Liu; Yuwei Tang; Xinying He; Yaoguang Ma

doi:10.1186/s43593-023-00041-7

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Microtaper leaky-mode spectrometer with picometer resolution

eLight Vol. 3, Issue 1, (2023)

RESEARCH ARTICLE | Updated：2024-09-25

- Microtaper leaky-mode spectrometer with picometer resolution
- Affiliations：
  
  State Key Laboratory of Extreme Photonics and Instrumentation, College of Optical Science and Engineering; International Research Center for Advanced Photonics, Zhejiang University, Hangzhou 310027, China
  ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, China
  Jiaxing Key Laboratory of Photonic Sensing & Intelligent Imaging, Intelligent Optics & Photonics Research Center, Jiaxing Research Institute, Zhejiang University, Jiaxing 314000, China
- Author bio：
  
  *Yaoguang Mamayaoguang@zju.edu.cn
- Funds：
- DOI：10.1186/s43593-023-00041-7
  CLC：
- Published：2023，
  
  Published Online：08 May 2023，
  
  Received：09 October 2022，
  
  Revised：14 January 2023，
  
  Accepted：14 February 2023
- Accepted：
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Qingqing Cen, Sijie Pian, Xinhang Liu, et al. Microtaper leaky-mode spectrometer with picometer resolution. [J]. eLight, 2023,3(1).
DOI：

Qingqing Cen, Sijie Pian, Xinhang Liu, et al. Microtaper leaky-mode spectrometer with picometer resolution. [J]. eLight, 2023,3(1). DOI： 10.1186/s43593-023-00041-7.

摘要

Abstract

The wide application of optical spectroscopy makes miniaturized spectrometers with fundamental importance. The scalability

high-performance

low-cost

and small footprint are still contradicting each other and limiting the applicability of miniaturized spectrometer for practical application. Here we propose a compact spectrometer that satisfies the four advantages. The device uses a fiber taper tip to generate complex leaky mode patterns within 1 mm length. The unique correspondence between the pattern and wavelength operates effectively for hundreds of nanometers spectral range while providing a spectral resolution around ~ 1 pm. The integration of multiple taper tips enables hyperspectral imaging applications. The working range of our device can be further extended using different materials and detectors while keeping the similar architecture.

关键词

Keywords

SpectrometerMicrofiberDeep learningHyperspectral

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