Table 2. Maximum intensity and energy distribution analysis of the different parts of the resulting beam profiles from truncated Gaussian beams (circular aperture) shown in Figure 1 (a) and Figure 2.
| Ring function | Peak intensity (a.u.) | % Energy distribution | |||||
|---|---|---|---|---|---|---|---|
| Central
region |
First
ring |
Second
ring |
Central
region |
First
ring |
Second
ring |
Rest | |
| Airy ( β G ≈ 0) | 1 | 1.8·10 -2 | 4.2·10 -3 | 83.8 % | 7.2 % | 2.8 % | 6.2 % |
| P T =25% ( β G =0.38) | 1 | 1.5·10 -2 | 3.6·10 -3 | 86.4 % | 6.2 % | 2.4 % | 5.0 % |
| P T =40% ( β G =0.51) | 1 | 1.3·10 -2 | 3.2·10 -3 | 87.9 % | 5.5 % | 2.1 % | 4.5 % |
| P T =60% ( β G =0.68) | 1 | 1.1·10 -2 | 2.6·10 -3 | 90.5 % | 4.2 % | 1.7 % | 3.6 % |
| P T =75% ( β G =0.83) | 1 | 7.7·10 -3 | 1.9·10 -3 | 93.0 % | 3.0 % | 1.2 % | 2.8 % |
| P T =90% ( β G =1.07) | 1 | 3.7·10 -3 | 1.1·10 -3 | 96.5 % | 1.3 % | 0.7 % | 1.5 % |