High-energy in-fiber pulse amplification for coherent lidar applications.
An Er:Yb codoped fiber amplifier chain for the generation of pulses for coherent lidar applications at a wavelength near 1.5 microm is reported. The final 1.8-m-long power amplification stage had a 50-microm core diameter and yielded a 23-dB energy gain, resulting in 0.29-mJ, 100-ns pulses at a repetition rate of 4 kHz with no Brillouin scattering and an M2 of 2.1.
Philippov
Valery
V
Optoelectronics Research Centre, University of Southampton, Building 46, Highfield, Southampton, UK.
Codemard
Christophe
C
Jeong
Yoonchan
Y
Alegria
Carlos
C
Sahu
Jayanta K
JK
Nilsson
Johan
J
Pearson
Guy N
GN