Hi guys I'm new to this forum and I have no idea about prices of lasers, I need to conduct an experiment with two lasers and I need to control exactly the difference of their wavelengths. I know you can shift the wavelength with a refractive media but I was wondering if there is another way.. I know that led lasers are not very good for my application I doubt they make phosphors even close to the frequency spacing I need..I read that they sell tunable lasers but how expensive are these? If there is no other way I will make the lasers on my own.. but this will take a lot of time..hehe:undecided: actually they make lasers close to what I want now all I need is a 401,73 nm laser...if they're not exact spacing it will not work ... who wants to make a quick experiment with a wavelength meter and two lasers?
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