Atomic & Molecular Physics-Rate Equation (CSIR Physical Sciences): Questions 1 - 1 of 1

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Question number: 1

» Atomic & Molecular Physics » Rate Equation

Appeared in Year: 2012

MCQ▾

Question

Consider a He – Ne laser cavity consisting of two mirrors of reflectivity R1=1 and R2=0.98 . The mirrors are separated by a distance d=20cm and the medium in between has a refractive index n0=1 and absorption coefficient α=0 . The values of the separation between the modes δv and the width Δvp of each mode of the laser cavity are – (December)

Choices

Choice (4) Response
a.

δv=75kHz,Δvp=24kHz

b.

δv=750MHz,Δvp=2.4MHz

c.

δv=100kHz,Δvp=100kHz

d.

δv=2.4MHz,Δvp=750MHz

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