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ifos • paper_1 • waves_oscillationsifos-2010-subject-02-005

Polarisation and Modern Optics — UPSC IFoS 2010 Physics PYQ

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(ii) Why are the two wavelengths 1\cdot 30\ \mu\text{m} and 1\cdot 55\ \mu\text{m} important in single-mode fiber-optical communication system?

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