Physics · Optics and Laser Physics
The matrix of the ruby rod crystal used in solid-state ruby lasers is composed of which chemical compound?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Copper sulfate
- 2Silicon dioxide
- 3Duriron alloy
- 4Aluminium oxide✓
Correct answer
Aluminium oxide
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