Biomedical Engineering Reference
In-Depth Information
(a)
Zero-order
r|r|
2
+ r|o|
2
Viewpoint
4
2
3
4
6
5
1
2
6
I
4
1
g
o,r
|r|
2
o
g
o,r
rro*
Virtual image
Real image
u = r
(b)
u = r*
I
g
o,r
|r|
2
o*
g
o,r
r*r*o
5
1
3
6
4
2
4
3
4
5
6
1
r*|r|
2
+ r*|o|
2
Viewpoint
Virtual image
Zero-order
Real image
FIgurE 9.2
Optical reconstruction of a hologram with an illumination wave
u
. Diffraction of
u
on the hologram
produces real and virtual images of the object. (a) Reconstruction with
u
= −
r
and (b) reconstruction with
u
=
r
*.
