Physics · Optics
With reference to Photonic Crystals, consider the following statements: I. They are artificial structures in which the refractive index varies periodically within the material. II. They are used in optical technologies to control or guide the movement of light. Which of the statements given above is/are correct?
- 1I only
- 2II only
- 3Both I and II✓
- 4Neither I nor II
Correct answer
Both I and II
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