Biomedical Engineering Reference
In-Depth Information
Tip
70 um
Tilt
70 um
Astigmatism
60 um
Focus
90 um
Astigmatism
60 um
Coma
15 um
Trefoil
30 um
Trefoil
30 um
Coma
15 um
Secondary astigmatism
12 um
Tetrafoil
20 um
Spherical aberration
18 um
Tetrafoil
20 um
Secondary astigmatism
12 um
FIGuRE 8.30
Maximum.peak-to-valley.wavefront.(μm).Zernike.polynomials.generation.for.the.ALPAO.DM52.
deformable.mirror..(Credit:.ALPAO,.France.)
Step response
1.2
+
5%
1
-5%
0.8
0.6
0.4
0.2
1ms
0
-
0.
-
1
0
1
2
3
4
Time (ms)
5
6
7
8
9
FIGuRE 8.31
he. ALPAO. Hi-Speed. DM97. enables. high-stroke. wavefront. correction. with. fast. stabilization. as.
needed.for.correcting.aberrations.for.rapidly.changing.phenomenon..(Credit:.ALPAO,.France.)
