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http://dx.doi.org/10.3807/KJOP.2018.29.1.001

Dispersion Compensation of an Optical System for Femtosecond Pulses Using a Ray-Tracing Program  

Kim, Seoyoung (Department of Physics, Inha University)
Lee, Hyunyong (Department of Physics, Inha University)
Kim, Tae Young (Department of Physics, Inha University)
Im, Jeong-eun (Mutech Korea)
Kim, Chal-won (Mutech Korea)
Hwangbo, Chang Kwon (Department of Physics, Inha University)
Publication Information
Korean Journal of Optics and Photonics / v.29, no.1, 2018 , pp. 1-6 More about this Journal
Abstract
In this study, ray-tracing software was used to calculate the optical path length of an optical system. Using the optical path length, the optical phase, group delay (GD), group delay dispersion (GDD), and third-order dispersion (TOD) of the optical system were obtained. Pulse compressors using a prism pair or grating pair were designed to compensate the GDD of a real optical system for a femtosecond fiber laser. Also, a pulse stretcher using a grating pair with lenses or mirrors was designed. The results of this study can be used to calculate the dispersion of an optical system and optimize the performance of an ultrashort pulse laser optical system.
Keywords
Group delay dispersion; Chirped pulse; Pulse compressor; Pulse stretcher; Femtosecond;
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