Which of the following contributes to the broadening of laser emission bandwidth? ∙ a. Doppler shift of moving atoms and molecules ∙ b. Amplification within the laser medium ∙ c. Coherence of the laser light ∙ d. Optical pumping of the laser transition

Which of the following contributes to the broadening of laser emission bandwidth? ∙ a. Doppler shift of moving atoms and molecules  
∙ b. Amplification within the laser medium  
∙ c. Coherence of the laser light  
∙ d. Optical pumping of the laser transition
by

1 Answer

Answer :

Doppler shift of moving atoms and molecules
by

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