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13 March 2024 Digital micromirror device characterization for ultrashort laser applications
Mitzi Ordoñez-Perez, Pedro J. Clemente-Pesudo, Jesús Lancis, Enrique Tajahuerce, Gladys Mínguez-Vega
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Proceedings Volume PC12900, Emerging Digital Micromirror Device Based Systems and Applications XVI; PC1290004 (2024) https://doi.org/10.1117/12.3002298
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
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/cm^2. 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 fs^2, a third-order dispersion (TOD) of 3700 fs^3, and a fourth-order dispersion (FOD) of -2027000 fs^4. 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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Mitzi Ordoñez-Perez, Pedro J. Clemente-Pesudo, Jesús Lancis, Enrique Tajahuerce, and Gladys Mínguez-Vega "Digital micromirror device characterization for ultrashort laser applications", Proc. SPIE PC12900, Emerging Digital Micromirror Device Based Systems and Applications XVI, PC1290004 (13 March 2024); https://doi.org/10.1117/12.3002298
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KEYWORDS
Digital micromirror devices
Ultrafast phenomena
Laser applications
Materials processing
Materials properties
Microscopy
Mirrors
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