Question: please answer as soon as possible i) Nitrogen and helium gases are also present in the molecular gas laser system. system. Explain the significance of

please answer as soon as possible i) Nitrogen and helium gases

please answer as soon as possible

i) Nitrogen and helium gases are also present in the molecular gas laser system. system. Explain the significance of those gases with the suitable energy level diagram How to suppress the unwanted wavelengths in this molecular gas laser system. ii) Calculate the value of threshold gain coefficient of the laser with cavity length 2 cm and loss coefficient is 10/cm. The value of reflectance Rl is 0.998 and R2 is 0.950. Is it possible to get the laser oscillations under this condition

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