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Photon

Photon

Photon is the name given to a quantum of light or other electromagnetic radiation.

Rating: Rated: 4/5 by physics.org users

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http://hyperphysics.phy-astr.gsu.edu/hbase/particles/expar.html#c5
Absorption and Emission

Absorption and Emission

Taking the electron transitions associated with visible and ultraviolet interactions with matter as an example, absorption of a photon will occur only when the quantum energy of the photon precisely ...

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http://hyperphysics.phy-astr.gsu.edu/hbase/mod5.html#c1
Stimulated Emission

Stimulated Emission

If an electron is already in an excited state, then an incoming photon for which the quantum energy is equal to the energy difference between its present level and a lower level can "stimulate" a ...

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http://hyperphysics.phy-astr.gsu.edu/hbase/mod5.html#c3
Compton Wavelength

Compton Wavelength

The scattering of photons from charged particles is called Compton scattering after Arthur Compton who was the first to measure photon-electron scattering in 1911. When the incoming photon gives part ...

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http://hyperphysics.phy-astr.gsu.edu/hbase/quantum/compton.html#c1
Debroglie Wavelength

Debroglie Wavelength

Suggested by De Broglie in about 1913, the path to the wavelength expression for a particle is by analogy to the momentum of a photon. The momentum-wavelength relationship for a photon can be derived ...

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http://hyperphysics.phy-astr.gsu.edu/hbase/debrog.html#c3
Photon Absorption

Photon Absorption

Explanation of the absorption of photons in an hydrogen atom and its energy levels. Use of the Bohr and Rydberg equations.

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http://www.shep.net/resources/curricular/physics/P30/Unit4/Topic07_Bohr/Notes/index.html
Advanced Photon Source

Advanced Photon Source

The APS is a national synchrotron radiation research facility located at Argonne National Laboratory near Chicago, Illinois, USA

Rating: Rated: 3/5 by physics.org users

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http://epics.aps.anl.gov/welcome.html
Elastic Photon-Atom Scattering

Elastic Photon-Atom Scattering

Allows relativistic Hartree-Fock-Slater anomalous scattering factors and differential cross sections to be calculated for various energies , angles and materials

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http://www-phys.llnl.gov/Research/scattering/
Atom-Light interactions

Atom-Light interactions

A short page dealing with the atomic explanation of lasers. Although brief and lacking detail there is a good little applet which shows what happens when an excited atom is struck by a photon.

Rating: Rated: 4/5 by physics.org users

Hits: 221

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http://www.colorado.edu/physics/2000/lasers/lasers2.html
Photon Emission and Atomic Energy Levels

Photon Emission and Atomic Energy Levels

Information about E=hf and discussion about the energy required by photons to promote electrons to higher levels.

Rating: Rated: 0/5 by physics.org users

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http://zebu.uoregon.edu/nsf/emit.html
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