Method for measuring and suppressing repetition rate phase noise of femtosecond laser using optical fiber delay line광섬유 지연 라인을 이용한 펨토초 레이저의 반복률 위상 잡음 측정 및 억제 방법

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Provided is a method of measuring a phase noise of a repetition rate of a femtosecond laser including generating a combined signal using a first wavelength element and a second wavelength element of an optical pulse train generated by the femtosecond laser, which is mode-locked, guiding the combined signal to a first path and a second path, allowing a signal of the second path to interfere with the signal of the first path, and outputting an interfering combined signal, dividing the interfering combined signal into a first interference signal and a second interference signal, converting the interference signals to radio frequency signals, and detecting a baseband signal including a frequency noise of the repetition rate from the radio frequency signals using a mixer.
Assignee
KAIST
Country
US (United States)
Issue Date
2018-12-18
Application Date
2015-11-20
Application Number
15558965
Registration Date
2018-12-18
Registration Number
10,158,208
URI
http://hdl.handle.net/10203/254019
Appears in Collection
ME-Patent(특허)
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