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1.5 Population inversion and laser operation

1.5 Population inversion and laser operation. losses. gain. Condition of operation:. 1.6 Interaction of light and matter. IR, VIS, UV: OK X-rays: not OK. Dipole approximation valid when:. Electric dipole moment. Magnetic dipole interaction.

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1.5 Population inversion and laser operation

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  1. 1.5 Population inversion and laser operation losses gain Condition of operation:

  2. 1.6 Interaction of light and matter IR, VIS, UV: OK X-rays: not OK Dipole approximation valid when: Electric dipole moment Magnetic dipole interaction

  3. 1.7 Coherent excitation of a two-level system TDSE: Time-dependent Hamiltonian: Using the molecular eigenstates as a basis, one obtains a matrix equation: Remember:

  4. Rabi oscillations |2> |1>

  5. Atomic orbitals http://www.geo.arizona.edu/xtal/nats101/orbitals.jpg

  6. Emission spectroscopy of the hydrogen atom

  7. Emission spectrum of the hydrogen atom

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