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par faisceaux de Bessel à polarisations radiale et azimutale ...

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1) Faisceaux <strong>de</strong> <strong>Bessel</strong> polarisés <strong>radiale</strong>ment <strong>et</strong> <strong>azimutale</strong>ment<br />

T 0 : J. Durnin, "Exact solutions for nondiffracting beams. I. The scalar theory", JOSA A, 4: 651 (1987)<br />

- Faisceau <strong>de</strong> <strong>Bessel</strong> = faisceau transmis <strong>par</strong> un « axicon »<br />

- « Axicon » = lentille conique ou prisme <strong>de</strong> révolution<br />

Cas <strong>de</strong> l’axicon<br />

Fonction <strong>de</strong> <strong>Bessel</strong><br />

Sinusoï<strong>de</strong> <strong>de</strong> révolution<br />

Prisme <strong>de</strong> révolution<br />

Axicon<br />

expérience<br />

01/04/2009<br />

LASER<br />

5

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