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2.1 ev Group Metastable second 1.67 ev 1.17 ev (1.06 µm) 0.50 eV First 0 ev Ground state Figure 30.64 Neodymium atoms in glass have these energy levels, one of which is metastable. The group of levels above the metastable state is convenient for achieving a population inversion, since photons of many different energies can be absorbed by atoms in the ground state.

2.1 ev Group Metastable second 1.67 ev 1.17 ev (1.06 µm) 0.50 eV First 0 ev Ground state Figure 30.64 Neodymium atoms in glass have these energy levels, one of which is metastable. The group of levels above the metastable state is convenient for achieving a population inversion, since photons of many different energies can be absorbed by atoms in the ground state.

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter7: Quantum Theory Of The Atom
Section: Chapter Questions
Problem 7.113QP
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Some of the most powerful lasers are based on the energy levels of neodymium in solids, such as glass, as shown in Figure 30.64. Verify that the 1.17 eV transition produces 13.06 μm radiation.

2.1 ev Group Metastable second 1.67 ev 1.17 ev (1.06 µm) 0.50 eV First 0 ev Ground state Figure 30.64 Neodymium atoms in glass have these energy levels, one of which is metastable. The group of levels above the metastable state is convenient for achieving a population inversion, since photons of many different energies can be absorbed by atoms in the ground state.
Transcribed Image Text:2.1 ev Group Metastable second 1.67 ev 1.17 ev (1.06 µm) 0.50 eV First 0 ev Ground state Figure 30.64 Neodymium atoms in glass have these energy levels, one of which is metastable. The group of levels above the metastable state is convenient for achieving a population inversion, since photons of many different energies can be absorbed by atoms in the ground state.
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