High energy 1.5 µm 3-color pulsed fiber laser with high coherence length and precise wavelength control for LIDAR applications

Joseph H. Zarrabi; Anand Hariharan; A. DeSantolo; J. W. Nicholson

doi:10.1117/12.2252564

22 February 2017 High energy 1.5 μm 3-color pulsed fiber laser with high coherence length and precise wavelength control for LIDAR applications

Joseph H. Zarrabi, Anand Hariharan, A. DeSantolo, J. W. Nicholson

Author Affiliations +

Proceedings Volume 10083, Fiber Lasers XIV: Technology and Systems; 100831K (2017) https://doi.org/10.1117/12.2252564
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

We developed a core pumped, 3-color pulsed fiber laser with 40W average output at 1550 nm with a pulse duration of 5 ns at pulse-repetition frequency (PRF) of 1 MHz corresponding to 8kW peak power. The enabling technology for this high power laser was 1480 nm core pumping of a polarization maintaining, very large mode area (PM-VLMA) Er-doped fiber amplifier with ~37 μm mode field diameter. Optical pulses from modulated seed sources were pre-amplified to 1W average power and injected into the PM-VLMA core pumped with a 100W, 1480 nm Raman fiber laser. The VLMA amplifier showed no sign of non-linearity due to Stimulated Brillion Scattering or Four-wave mixing.

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Citation Download Citation

Joseph H. Zarrabi, Anand Hariharan, A. DeSantolo, and J. W. Nicholson "High energy 1.5 μm 3-color pulsed fiber laser with high coherence length and precise wavelength control for LIDAR applications", Proc. SPIE 10083, Fiber Lasers XIV: Technology and Systems, 100831K (22 February 2017); https://doi.org/10.1117/12.2252564

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