A chirp-compensation technique using incident-angle changes of cavity mirrors in a femtosecond pulse laser
- 1 November 1987
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Quantum Electronics
- Vol. 23 (11), 2005-2007
- https://doi.org/10.1109/jqe.1987.1073255
Abstract
A technique for chirp-compensation in a CPM laser is presented. By using the change of the incident angle to multilayer dielectric cavity mirrors, the intracavity second-order dispersion φ^[・・] (ω) is adjusted without any additional elements. It is confirmed that the optimum value of φ^[・・](ω) = +2.1 x 10^[-28] s2 obtained when up-chirp was compensated and pulses as short as 55 fs were generated is reasonable, by comparison to analytic results of chirp behaviors. In addition, the effect of the third-order dispersion φ^[・・・] (ω) at the optimum value of φ^[・・] (ω) on pulses is evaluatedKeywords
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