A Quote by Donna Strickland
We proved that we could increase laser intensity by orders of magnitude. In fact, CPA led to the most intense laser pulses ever recorded. Our findings changed the world's understanding of how atoms interact with high-intensity light.
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Because the high-intensity pulses are short, the laser only damages the area where it's applied. The result is precise, clean cuts that are ideal for transparent materials.
My PhD project was actually doing something that required a high-intensity laser. It was supposed to work in a way that many, many photons of light would interact with an atom all at the same time.
Gérard Mourou, who was my PhD supervisor, dreamed up the idea of increasing laser intensity by orders of magnitude. He did it while he was on a ski trip with his family. He probably shouldn't have been thinking about lasers.
The atoms become like a moth, seeking out the region of higher laser intensity.
What the ultrafast laser does is that because it doesn't have to just cut from the surface, it's only at the intense focal point that it does this damage where the electrons come off the atoms, you could actually put your laser and scan it over your cornea and it would cut underneath that.
A laser is a weak source of energy. A laser takes [only] a few watts of energy and focuses them in a coherent stream of light. But with a laser, you can drill a hole in a diamond or wipe out cancer.
I really love laser-cutting. I do a lot of laser-cut jewelry and laser-etched stationery. I'll even etch my food sometimes. You can download an image online and etch it onto a tortilla or a brownie. It's so cool to meld the digital and analog worlds together.
Nearly all inventions are not recognised for their positive side either when they're made. So, for example, scientists didn't go out to design a CD machine: they designed a laser. But we got all sorts of things from a laser which we never remotely imagined, and we're still finding things for a laser to do.
Wings was one of the first bands in the 1970s to do stadium tours, as well as Led Zeppelin. We had all the most up-to-date equipment from monitor systems to a laser light show and that was like the biggest, most awesome experience for me.
My favorite laser disk ever was the laser disk for The Graduate, which had a commentary track that wasn't even the filmmakers, it was a professor, some film criticism guy who just happen to be this amazing commentator who went off into the whole theory of comedy.
When I started on my research, I never expected I could invent the LED and laser diode.
Intensity is a mental attitude more than a physical attitude. Many people misunderstand what intensity means. They think it means straining and sweating. No! That is a wrong meaning of the word! Intensity is to get totally involved, fully immersed and absorbed in what one is doing. Intense practice means a fast and keen mode in adjusting, correcting, and progressively proceeding.
'm really proud of 'Sad, Sad World' because it manages to state a very complex paradox of an emotion that I experienced when I had children, which is this great happiness and this great intensity, but with that intensity comes a deeper understanding of the world.
Our brains have evolved to help us survive within the orders of magnitude of size and speed which our bodies operate at. We never evolved to navigate in the world of atoms.
When you have a laser focus, and you get distracted by what other people say, you can lose that laser focus.
We should note that this latter type of shift was successfully amplified to a considerable extent by Russian physicists using the intense light of a ruby laser whose wavelength is close to that of a transition of the potassium atom.
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