Two oppositely oriented thin prisms have (ω₁,μ₁)=(0.015,1.55) and (ω₂,μ₂)=(0.030,1.60). If A₁=12°, find A₂ for zero angular dispersion.
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Question

Two oppositely oriented thin prisms have (ω₁,μ₁)=(0.015,1.55) and (ω₂,μ₂)=(0.030,1.60). If A₁=12°, find A₂ for zero angular dispersion.

G1 Physics · Accepted Answer

ω₁(μ₁−1)A₁=ω₂(μ₂−1)A₂, so A₂=5.50°.