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Xuedong He
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- How did you find PF?
- On the internet via Google search.
Hello I am a laser engineer interested in Physics.
Spoken like a true professor. I wouldn't have let him do anything in my lab. He can watch, from over there by the door...berkeman said:My laser prof in university used to say, "When it's time to turn on the high-power laser, I ask one of my graduate students to throw the big switch."