Chinese Optics Letters, Volume. 21, Issue 12, 121401(2023)
All-fiber laser amplification at 1948 nm based on double-cladding Tm/Al co-doped photonic crystal fiber fabricated by laser additive manufacturing
Fig. 1. Experiment of laser additive manufacturing.
Fig. 2. (a) Electron microscope image of Tm/Al co-doped silica fiber; (b) EPMA mapping of the Tm elements in the core; (c) linear analysis of the PCF core.
Fig. 3. Single-stage MOPA system of double-cladding Tm/Al co-doped PCF at 1948 nm.
Fig. 4. (a) The end faces cut is uneven; (b) the end faces cut is smooth.
Fig. 5. (a) PCF air-hole force map; (b) the picture of collapsed air hole; (c) acceptability results of splice PCF with passive fiber.
Fig. 6. Measured profile of MOPA system output beam.
Fig. 7. (a) Spectra of seed source and pump source at different powers; (b) slope efficiency of double-cladding Tm/Al co-doped PCF amplifier.
Fig. 8. Upconversion emission spectra under 1064 nm laser excitation.
Get Citation
Copy Citation Text
Yongwei Shi, Nan Zhao, Jiantao Liu, Jiaming Li, Zhiyun Hou, Guiyao Zhou. All-fiber laser amplification at 1948 nm based on double-cladding Tm/Al co-doped photonic crystal fiber fabricated by laser additive manufacturing[J]. Chinese Optics Letters, 2023, 21(12): 121401
Category: Lasers, Optical Amplifiers, and Laser Optics
Received: Jun. 25, 2023
Accepted: Jul. 14, 2023
Published Online: Dec. 11, 2023
The Author Email: Nan Zhao (zhaonan@gpnu.edu.cn)