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2.1 ev Group 1.67 ev Metastable second 1.17 ev (1.06 µm) 0.50 ev First 0 ev Ground state

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter27: Quantum Theory

Section27.1: A Particle Model Of Waves

Problem 21SSC

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Question

Some of the most powerful lasers are based on the energy levels of neodymium in solids, such as glass, as shown in Figure below.

(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 micrometre radiation.

2.1 ev
Group
1.67 ev
Metastable
second
1.17 ev (1.06 µm)
0.50 ev
First
0 ev
Ground state

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