| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 739532 | Optics & Laser Technology | 2012 | 6 Pages |
Based on the method of the stationary phase, the analytical expression of the far-field of an Airy beam has been derived. According to the obtained electromagnetic representations, the formulae of the energy flux and the power of an Airy beam are presented in the far-field. The analytical formulae of the far-field divergence angles that are defined by the second-order moment of the energy flux are also derived. The energy flux distribution of an Airy beam is depicted in the far-field. The power in the far-field and the far-field divergence angles depend on the transverse scale and the modulation parameter. The influences of the transverse scale and the modulation parameter on the power in the far-field and the far-field divergence are discussed in detail.
► Analytical formulae of the energy flux and the power of an Airy beam are presented. ► The analytical formulae of the far-field divergence angles are derived without any approximation. ► The influence of the transverse scale and the modulation parameter on the divergence is discussed.
