A dye molecule has emission cross section cm2 at nm and

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(a) A dye molecule has emission cross section cm2 at nm, and fluorescence lifetime 3 ns. Assuming the transition is homogenously broadened, calculate the signal intensity at which the gain is reduced by a factor of 2.

(b) The Nd:glass transition has peak emission cross section cm2 at nm, and fluorescence lifetime 290 ?s. If the transition is homogenously broadened, determine the signal intensity at which the Nd:glass gain is reduced by a factor of 2. Repeat if the transition is inhomogeneously broadened.

Reference no: EM13643592

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