File:EOM phase-modulation sideband spectrum and Bessel functions.gif
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Summary
| Description |
English: Animated illustration of optical sideband generation by a sinusoidal
electro-optic phase modulator (EOM). The modulation depth β sweeps from 0 to 2.4048 (the first zero of J₀). Left panel: optical spectrum; each line at detuning n·f₀ carries intensity |Jₙ(β)|², following the Jacobi–Anger expansion e^{iβ sin(ωₘt)} = Σ Jₙ(β) e^{inωₘt}. Right panel: Bessel functions of the first kind |Jₙ(β)|² versus β, with the current operating point marked. At β = 2.4048 the carrier (n = 0) vanishes entirely. Created with Python and Matplotlib. |
| Date | |
| Source | Own work |
| Author | Sterafix |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:03, 28 June 2026 | | 1,300 × 480 (1.24 MB) | wikimediacommons>Sterafix | Uploaded while editing "Electro-optic modulator" on en.wikipedia.org |
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