I am considering a Kistler 9317C piezoelectric sensor, but I suppose the 5 kHz natural frequency (which limits the usable frequency) will prevent me from measuring this force which should go to around 1 N in 10μs.
I would look at devices like PN5FC2 from Thorlabs:
https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=10318
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