ifos • paper_1 • waves_oscillations
[UPSC IFoS 2010] Polarisation and Modern Optics (Q412, 5+5=10M)
Consider a bare fiber having n_1 = 1\cdot 48 and n_2 = 1\text{ (air)}. Find out the NA. What is the maximum incident angle up to which light can be guided through the fiber?
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