Optical frequency deviation compensation using pulsed serrodyne technique on coherent laser transmitter for wind sensing lidar

被引：16
作者：
Haraguchi, Eisuke [1 ,2 ]
Ono, Hitomi [1 ]
Ando, Toshiyuki [1 ]
机构：
[1] Mitsubishi Electr Corp, 5-1-1 Ofuna, Kamakura, Kanagawa 2478501, Japan
[2] Hokkaido Univ, Dept Appl Phys, Kita Ku, Kita 13 Nishi8, Sapporo, Hokkaido 0608628, Japan
来源：
APPLIED PHYSICS EXPRESS | 2019年 / 12卷 / 05期
关键词：
RADAR;
D O I：
10.7567/1882-0786/ab10a6
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report a new pulsed coherent laser transmitter for wind sensing that combines a semiconductor optical amplifier (SOA) with a phase modulator operated at pulsed serrrodyne modulation. Using pulsed serrodyne modulation, we demonstrate the correction of the instantaneous frequency deviation caused by the direct modulation of the SOA within a single pulse duration. The residual frequency errors are reduced to 0.03 MHz, which corresponds to a wind velocity error of 0.02 ms(-1). (C) 2019 The Japan Society of Applied Physics
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页数：3
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