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Wavelength-scanning interferometer development using tunable laser

Title
Wavelength-scanning interferometer development using tunable laser
Author
김기철
Alternative Author(s)
Gi-Chul Kim
Advisor(s)
김학성
Issue Date
2016-08
Publisher
한양대학교
Degree
Master
Abstract
A novel design for an external cavity diode laser that is not affected by mechanical noise and performs linear wavelength sweeps for the wavelength scanning interferometer system is studied. The proper design for the cavity will be suggested that can reduce mode hopping within the specific operating wavelength range. At a high speed, the performance of an external cavity diode laser that has a linear tuning range of 20 nm or more is reported. Using this tunable laser system, the wavelength scanning interferometer is designed and specimens having step height of 88 nm and 940 nm are measured with about three seconds time interval.
URI
https://repository.hanyang.ac.kr/handle/20.500.11754/126035http://hanyang.dcollection.net/common/orgView/200000486544
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > MECHANICAL CONVERGENCE ENGINEERING(융합기계공학과) > Theses (Master)
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