... Light travels through an optical medium
with a lower speed than c,
as atoms in the medium absorb, reemit,
and scatter the light.
For example, the refractive index
for diamond is n = 2.419, so the speed of
ligth in diamond = c/n
c 3.00 × 10 8 m/s
... With such surfaces, the direction of the reflected ray is determined by the
angle the incident ray makes with the surface normal, a line perpendicular
to the surface
face at the point where the ray hits. The incident and reflected
rays lie in a single plane, and the angle between the reflected ray a ...
... An object is anything that is being viewed, e.g., when one looks at a tree through a
lens, with a mirror or any other optical device the tree is referred to an optical
Object Distance, s, is the distance from an object to an optical element.
An image is the likeness of an object produced at ...
... theory, waveguide modes and reflection from discontinuities is covered. Numerical methods
used to simulate optical devices are discussed. Commercial software such as Comsol and
FDTD program would be introduced for electromagnetics modeling. The course gives a number
of home assignments and computer ...
... 2. In the eye, refraction of light occurs at both the cornea and the lens. Some
eye defects can be corrected using a laser. Light from the laser is used to
change the shape of the cornea.
a) State what is meant by refraction of light.
... • Although, optics is an extremely wide and
complex scientific field, for many practical and
industrial purposes its 1st approximation the
geometrical optics can be used. The effects it deals
with can be treated by pure geometry. It inherits
some properties of waves, such as:
... Drawing ray diagrams for concave & convex mirrors and interpreting image
Using mirror and magnification equations appropriately
4. Refraction of Light
Definition, properties, characteristics
Index of refraction
5. Partial Refraction and Total Internal Reflection
... atomic dimensions and to measure individual atomic positions with picometer precision. This fulfils an old
dream of condensed matter physics to derive macroscopic materials properties directly from observations on
the atomic level. However in order to realize this ultra-high resolution it has to be ...
... parallel to the optical axis pass through a convex lens, they are bent
toward the center of the lens.
Examples: Magnifying glass and corrective lenses for farsightedness.
A concave lens is thinner in the center than on its edges. When light
rays traveling parallel to the optical axis pass through a ...
... to highest frequency. Label which end of the spectrum has the highest energy, and
which has the longest wavelength.
20. What are the two types of photoreceptor cells in the human eye? What is the
specific function of each?
21. Explain why a screen, like a TV or a computer monitor, is able to trick t ...
... Course coordinator: Ayrton Bernussi
Textbook(s) and/or other required material: Introduction to Optics, Frank L. Pedrotti, S.J.,
Leno S. Pedrotti, and Leno M. Pedrotti, Pearson-Prentice Hall, 3rd Ed., 2007, ISBN: 0-13149933-5
Catalog description: Modern concepts in optics related to engineering appl ...
... close enough together that we can neglect the
distance between the surfaces (i.e., thin)
Consider two spherical surfaces (with radii of
curvature R1 and R2), separating three
materials of index of refraction n1, n2, and n3
For the first surface, we can use the refracting
surface equation to relate t ...
Nonimaging optics (also called anidolic optics) is the branch of optics concerned with the optimal transfer of light radiation between a source and a target. Unlike traditional imaging optics, the techniques involved do not attempt to form an image of the source; instead an optimized optical system for optical radiative transfer from a source to a target is desired.