Abstract
We report the feasibility of continuously tunable dispersion control with chirped mirrors (CMs). The concept of tunable second-order and higher-order dispersion is also proposed. Our prototype dispersion-tunable CM makes it possible to provide continuous dispersion support, advancing the CM technique to a new level by overcoming the drawback of the discrete dispersion compensation nature of traditional CMs. This brings extreme convenience and flexibility to the compensation of the dispersion and ensures tailored dispersion compensation in ultrafast laser systems. In our proof-of-concept study, continuously tunable group delay dispersion (GDD) is achieved by altering the angles of incidence on the mirrors. Moreover, continuous duration tunable laser pulses are demonstrated by applying our GDD-tunable CMs in an ultrafast laser system.
© 2019 Optical Society of America
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