Which of the following factor does not harm laser efficiency? a. Atmospheric absorption b. Excitation energy not absorbed c. Problems in depopulating the lower laser level d. Inefficiency in populating the upper laser level

Which of the following factor does not harm laser efficiency?
a. Atmospheric absorption
b. Excitation energy not absorbed
c. Problems in depopulating the lower laser level
d. Inefficiency in populating the upper laser level
by

1 Answer

Answer :

a. Atmospheric absorption
by

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