How many longitudinal modes can fall within a laser’s gain bandwidth? ∙ a. 2 ∙ b. 5 ∙ d. No fixed limit, dependent on bandwidth and mode spacing ∙ c. 9

How many longitudinal modes can fall within a laser’s gain bandwidth?
∙ a. 2  
∙ b. 5  
∙ c. 9  
∙ d. No fixed limit, dependent on bandwidth and mode spacing
by

1 Answer

Answer :

∙ d. No fixed limit, dependent on bandwidth and mode spacing
by

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