Physics Department
PHYS 2P51
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2P51
Classical and Modern Optics
Wave-Particle Duality
Sources and Detectors
Electromagnetic Wave
spectrum
EM waves are produced by accelerating charge.
oscillating charge
coupled E and B fields I
coupled E and B fields II
half-wave dipole antenna
Canada and early radio
Synchrotron Light Sources
Blackbody Radiation
Definition
of Black Body
Visual
of Black Body at high temperature
Spectrum
of Black Body as function of temperature
Measuring the temperature of the
Sun
Comparison of
synchrotron radiation
with blackbody radiation
Continuous and "line" spectra
H-atom (Balmer Spectrum)
x-ray tube
x-ray spectrum
Gamma ray spectrum from archaeological pottery shards
luminescence
,
phosphoresence
fluorescent
lights
light-emitting diodes:
LED
3 level system
(or 4) required for
population inversion
Ruby Laser
Detectors
Different Detectors for different
wavenumber
(inverse wavelength) ranges
Cadmium Sulphide
Photoconductive Cell
pn junction
can function as light detector or solar cell.
reversed bias pn junction:
photodiode detector
photomultiplier
tube
photomultiplier:
principle of operation
scintillation counters
x-ray and gamma ray
Geometrical Optics and Imaging
Wave Optics
1812 Sir Isaac Brock Way
St. Catharines, Ontario, L2S 3A1
Phone: +1.905.688-5550
ext.
3412
Email:
physics@brocku.ca
Fax: +1.905.984-4857
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Updated: 07-Mar-2017 17:15