2.1 ev Group Metastable second 1.67 ev 1.17 ev (1.06 um) 0.50 eV First O ev Ground state Figure 30.65 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.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
icon
Related questions
Question

Some of the most powerful lasers are based on the energy levels of                neodymium in solids, such as glass, as shown .
 (a) What average wavelength light can pump the neodymium into the levels above its metastable state? (b) Verify that the 1.17 eV transition produces
1.06 μm radiation.

2.1 ev
Group
Metastable
second
1.67 ev
1.17 ev (1.06 um)
0.50 eV
First
O ev
Ground state
Figure 30.65 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 um) 0.50 eV First O ev Ground state Figure 30.65 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.
Expert Solution
Answer for part (a)

The energy released during the transition between metastable and the ground state can be given as

Physics homework question answer, step 1, image 1

Substituting the values from the energy level diagram gives,

Physics homework question answer, step 1, image 2

Answer for part (a) continues

Now, the required wavelength can be obtained as

Physics homework question answer, step 2, image 1

steps

Step by step

Solved in 3 steps with 4 images

Blurred answer
Knowledge Booster
Hydrogen Atom
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON