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slides - CASA

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Refresher on Smith-Purcell parameters<br />

λ = l<br />

n<br />

⎛ 1 ⎞<br />

− cosθ<br />

⎝<br />

⎜<br />

β ⎠<br />

⎟ θ<br />

• n = order number, θ = angle from electron beam,<br />

φ = azimuthal angle<br />

φ

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