All-fiber spectrometer based on coreless fiber

Zhenyu Duan; Hongzhou Chen; Peng Ye; Jinhui Shi; Libo Yuan; Chunying Guan

doi:10.1117/12.3022300

20 June 2024 All-fiber spectrometer based on coreless fiber

Zhenyu Duan, Hongzhou Chen, Peng Ye, Jinhui Shi, Libo Yuan, Chunying Guan

Proceedings Volume 13001, Specialty Optical Fibres VIII; 1300109 (2024) https://doi.org/10.1117/12.3022300
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

We demonstrate two types of all-fiber speckle spectrometer. One of the spectrometers is composed by cascading a coreless fiber (CLF) and an all-solid photonic crystal fiber (PCF). Using a 10 cm-long fiber with 20-segment-PCF spliced elements, the spectrometer achieves a resolution of 0.03 nm over a bandwidth from 1540 to 1560 nm. The other spectrometer is realized by using the periodically tapered CLF. A remarkable spectral resolution of 0.03 nm in the near-infrared spectrum can be achieved with a 5-cm long fiber. Our compact spectrometers based on CLF promise picometer-resolution spectroscopy in portable applications, providing a new way for miniature spectrometer systems.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zhenyu Duan, Hongzhou Chen, Peng Ye, Jinhui Shi, Libo Yuan, and Chunying Guan "All-fiber spectrometer based on coreless fiber", Proc. SPIE 13001, Specialty Optical Fibres VIII, 1300109 (20 June 2024); https://doi.org/10.1117/12.3022300

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