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Why pressure of Ne is kept small in He Ne lasers?

Updated: 8/20/2019
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Rajatthakur

Lvl 1
10y ago

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It was found that the pressure of Ne is kept small in He-Ne lasers for having the highest gain in the visible spectrum. But other visible also has infrared lasing wavelengths by using mirror coating.

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10y ago
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Q: Why pressure of Ne is kept small in He Ne lasers?
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