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Explain about the Homojunction Laser in brief.
Homojunction Laser:
Assume that GaAs be doped with T providing n-type material and with Ge providing p-type material. In forward bias (p-type side is made positive), the majority carriers that is, the electrons into n-side and the holes into p-side are injected across the depletion area into both directions to create a population inversion into a narrow active region. The light produced through radioactive recombination across the band gap is confined within this active region.
Typical output optical power verses diode current (f) characterises and the corresponding output spectrum of a laser diode.
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give examples of like and unlike parallel forces
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Get an expression for the fringe width in the interference pattern due to Young's double slit.
what is radiation
The Maximum displacement of a vibrating particle of medium from its mean position is known as amplitude.
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Instantaneous velocity and speed are explained at a certain instant and are shown by
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