Measuring Group Delay Dispersion for Ultrafast Laser Optics - UFI & EO 

2023 Photonics Spectra - Optical Metrology Summit
Ultrafast lasers have become critical for a wide range of applications including medical lasers, materials processing, and nonlinear imaging and microscopy. One of the most important specifications for the optics used with these short laser pulse durations is group delay dispersion (GDD), which characterizes how ultrafast pulses are stretched or compressed temporally as they move through optical media. Maintaining short pulse durations is essential to ultrafast system performance.
One of the most effective tools for characterizing GDD is white light interferometry. Olivia Wheeler, Ultrafast Laser Optics Engineer at Edmund Optics, and Vladimir Pervak, from UltraFast Innovations (UFI), highlight the basics of GDD, the fundamentals of white light interferometry, and key considerations for successfully characterizing GDD.
Thanks to Photonics Media for the video and hosting us.
www.photonics.com
Thanks to Edmund Optics and Olivia Wheeler for co-hosting the presentation.
www.edmundoptics.com
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