Physics · Optical Sources

By considering standard notations, the line width of spontaneous emission is approximately given by:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Δλ = 1.45 λpeak2 · kT✓
2Δλ = 2 λpeak1/4 · kT
3Δλ = 1.45 λpeak3 · kT
4Δλ = 2 λpeak3/2 · kT

Correct answer

Δλ = 1.45 λpeak2 · kT

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