Optical Center

1
Optical Center
Eugene Hecht, Optics, Addison-Wesley, Reading,
MA, 1998.
2
Tracing rays to determine the position of the
image.
Eugene Hecht, Optics, Addison-Wesley, Reading,
MA, 1998.
3
Off Axis Rays Focus on the Focal Plane
http//www.microscopyu.com/tutorials/java/componen
ts/perfectlens/index.html
4
Chromatic Aberrations
h is ? dependent
Eugene Hecht, Optics, Addison-Wesley, Reading,
MA, 1998.
5
Achromatic Doublet
Ingle and Crouch, Spectrochemical Analysis
6
Spherical Aberrations
Deviation from the paraxial approximation
Ingle and Crouch, Spectrochemical Analysis
7
Field Curvature
Image and focal planes are actually spheres
Eugene Hecht, Optics, Addison-Wesley, Reading,
MA, 1998.
8
Comatic Aberration (Coma)
Axial rays have different optical path lengths in
an off-axis system.
Eugene Hecht, Optics, Addison-Wesley, Reading,
MA, 1998.
9
Comatic Aberration (Coma)
Image has a comet-like tail
Eugene Hecht, Optics, Addison-Wesley, Reading,
MA, 1998.
10
Lens Stops
Aperture Stop
Field Stop
Ingle and Crouch, Spectrochemical Analysis
11
Astigmatism
Rays in tangential and sagittal planes have
different focal points.
ft fcos?1
fs f / cos?1
Ingle and Crouch, Spectrochemical Analysis
12
Prisms
Right Angle
Equilateral
Pentagonal
Dove
www.edmundoptics.com
13
More Wave Guiding
www.edmundoptics.com