Month: May 2011

LASER

Dye laser and its construction

Dye lasers use liquid organic dyes. These organic dyes are dissolved in solvents like water, ethyl  alcohol, methanol. The most widely used dye is rhodamine-6G,

LASER

Working of semiconductor laser

In my earlier articles, I have explained the construction of semiconductor laser. Toady I will discuss the working of semiconductor laser. Achievement of population inversion:

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