Problem set 1. Due Tuesday 1 FEB
Write a short definition for the following terms:
1.
Optical path length
2.
Wavefront
3.
Paraxial
4.
aspherical lens
5.
Numerical aperture
6.
Eikonal
7.
diffraction
8.
interference
9.
coherence
a.
spatial
b.
Temporal
10.
Dispersion {include their relative magnitudes}
a.
Material
b.
Modal or multipath
c.
Waveguide
11.
Wave number
12.
Wave vector
13.
Wave Equation
14.
Helmholtz Equation
15.
Equations for:
a.
A plane wave
b.
A parabolic wave
c.
A spherical wave
d.
A Gaussian beam
16.
Equation for an polarized plane wave that is
a.
Right circular polarized
b.
45 degrees elliptically polarized
c.
45 degree linearly polarized
d.
Vertically polarized
17.
What is the energy in electron volts of a single photon with a wavelength of 800
nm
18.
What wavelength photon does a direct band gap semiconductor emit if its band
gap is 3 eV.
19.
What is the electric field of a laser beam with an intensity of 1 watt focused on 10
um spot assuming the laser has a wavelength of
800 nm. If the laser is pulsed so
that one seconds of energy is deposited in 50 femtoseconds. What is the electric
field?
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 Spring '12
 marie
 Economics, Light, plane wave, Saleh, Matrix optics, Paraxial aspherical lens

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