[alt0_]

I'm incredibly curious as to what that even looks like. Where do you study? Can you give us a photo?

[PaulHoule]

See

https://www.oist.jp/image/researchers-femtosecond-spectrosco...

or

https://www.mp.aau.dk/research/laboratories/physics-lab/shor...

or

https://hajim.rochester.edu/optics/sites/guo/virtual-lab.htm...