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We conducted a comprehensive characterization of key phenomena in digital micromirror devices (DMD) using an ultrashort pulse beam of 98. 8 fs @800nm. Firstly, we determined the fluence threshold, which was found to be 0. 19 J/cm². Secondly, we quantified the nonlinear dispersion introduced by the DMD in the pulse beam using the SPIDER method. Our measurements revealed a second order GDD value of 473 fs², a third-order dispersion (TOD) of 3700 fs³, and a fourth-order dispersion (FOD) of -2027000 fs⁴. Our research significantly advances our understanding of DMD behavior and its interaction with ultrashort pulses, thereby optimizing their use in optical applications.
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Ordóñez-Pérez et al. (Tue,) studied this question.
www.synapsesocial.com/papers/68e746dfb6db6435876c00dd — DOI: https://doi.org/10.1117/12.3002298
Mitzi Ordóñez-Pérez
Pedro J. Clemente-Pesudo
Jesús Láncis
Universitat Jaume I
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