In multimode lasers the optical feedback from unnecessary external reflections affecting stability of frequency and intensity is
A)remains unaffected
B)increased gradually
C)reduced
D)gets totally vanished

Question

Quizplus · Accepted Answer

In multimode lasers, optical feedback from external reflections is typically reduced to improve stability and prevent mode competition, which can affect frequency and intensity stability.

In Multimode Lasers the Optical Feedback from Unnecessary External Reflections