Design of chirped mirrors used for the dispersion compensation in femtosecond lasers

Chunyan Liao; Junjun Qin; Manli Hu

doi:10.1117/12.2053961

16 December 2013 Design of chirped mirrors used for the dispersion compensation in femtosecond lasers

Chunyan Liao, Junjun Qin, Manli Hu

Proceedings Volume 9068, Eighth International Conference on Thin Film Physics and Applications; 90680K (2013) https://doi.org/10.1117/12.2053961
Event: Eighth International Conference on Thin Film Physics and Applications (TFPA13), 2013, Shanghai, China

Abstract

Negative dispersion dielectric multilayer mirrors have contributed significantly to the enhancement of the performance, compactness and reliability of femtosecond lasers. There are two alternative approaches that are widely investigated for dispersion compensation: chirped mirrors and Gires-Tournois mirrors. Chirped mirrors can exhibit a broad smooth high reflectance range if the layer thickness is superimposed a quasi-periodic modulation on a linear variation of the optical thickness of the layers. The performance of such chirped mirrors is calculated and the factors affecting the performance are discussed in detail. In such chirped mirrors, the performance is strongly affected by the expected bandwidth and modulation period of the optical thickness of the layers.

Citation Download Citation

Chunyan Liao, Junjun Qin, and Manli Hu "Design of chirped mirrors used for the dispersion compensation in femtosecond lasers", Proc. SPIE 9068, Eighth International Conference on Thin Film Physics and Applications, 90680K (16 December 2013); https://doi.org/10.1117/12.2053961

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KEYWORDS

Mirrors

Modulation

Dispersion

Reflectivity

Femtosecond phenomena

Reflection

Mirror structures

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