Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 41, Issue 2, Pages 716-725Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2022.3219821
Keywords
Laser excitation; Optical fiber dispersion; Laser mode locking; Fiber lasers; Pump lasers; Laser beams; Optical resonators; Acoustooptic modulation; dual-wavelength pumping; erbium; FBG interrogator; frequency shifted feedback; lasers; mid-infrared; mode locked lasers; optical fiber lasers; ZBLAN
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A mode-locked, dual-wavelength pumped 3.5 μm fiber laser using frequency shifted feedback and an acoustooptic modulator is presented. The laser produced pulses of 3.8 ps with an energy of 9.7 nJ at a repetition rate of 37.75 MHz, resulting in a peak power of 2.55 kW. Additionally, an electronically wavelength swept, mid-IR interrogator was developed for characterizing a mid-IR fiber Bragg grating.
A mode-locked, dual-wavelength pumped 3.5 mu m fiber laser using frequency shifted feedback utilizing an acoustooptic modulator is reported. Pulses of 3.8 ps with 9.7 nJ were obtained at a repetition rate of 37.75 MHz. The resulting peak power is 2.55 kW. An electronically wavelength swept, mid-IR interrogator is built to characterize a mid-IR fiber Bragg grating.
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