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Arbitrary laser frequency modulation algorithm based on iterative on-the-fly deconvolution
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DOI：10.1364/AO.577439.png)
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Abstract
En 中文
I present a general laser modulation control algorithm. I implement the LIDAR frequency modulated continuous wave (FMCW) scheme as a special case of study. My proposal applies to any arbitrary modulation pattern and is based on an iterative algorithm that infers the laser transfer function in order to perform on-the-fly deconvolution. I present an experimental proof-of-principle using an external-cavity diode laser, the accuracy of which I analyze by comparing the obtained frequency response with a targeted modulation pattern. In addition to the FMCW scheme, I am also testing square wave modulations, which are more demanding in terms of bandwidth. Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
Keywords:
SWEEP
FLOW
LINEARIZATION
DIODE
Journal
A
IF:
1.7
Papers:
968
Citations:
5.1W