From Quantity to Quality: Redefining Institutional Approaches to Research Publication
Sushil K
He-Ne gas Laser: Its Principle, Construction and Working
Introduction He-Ne LASER The Helium-Neon laser was the first continuous laser. It was invented by Javan et. al. in 1961. But how did Javan manage to do this? This shows that it is no coincidence that Javan’s first He-Ne laser oscillated at a Wavelength of 1.5 μm since the amplification at this wavelength is considerably ...
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