Principles of Instrumental Analysis, 6th Edition
Principles of Instrumental Analysis, 6th Edition
6th Edition
ISBN: 9788131525579
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cenage Learning
Question
Book Icon
Chapter 7, Problem 7.7QAP
Interpretation Introduction

Interpretation:

The reason for the four level laser system to be more efficient than the three-level type needs to be explained.

Concept introduction:

In a normal system there are more atoms in the low energy states as compared to the number of atoms in the high energy states. Population inversion is said to occur when there are more atoms in the high energy states than in the low energy states.

Blurred answer
Students have asked these similar questions
Viscosity of a liquid related to the activation energy.
Vibrational contributions to internal energy and heat capacity1) are temperature independent2) are temperature dependent
The approximation of calculating the partition function by integration instead of the summation of all the energy terms can only be done if the separation of the energy levels is much smaller than the product kT. Explain why.
Knowledge Booster
Background pattern image
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning
Text book image
Physical Chemistry
Chemistry
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Wadsworth Cengage Learning,
Text book image
Fundamentals Of Analytical Chemistry
Chemistry
ISBN:9781285640686
Author:Skoog
Publisher:Cengage
Text book image
Principles of Modern Chemistry
Chemistry
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:Cengage Learning
Text book image
Chemistry for Engineering Students
Chemistry
ISBN:9781285199023
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
Text book image
Chemistry In Focus
Chemistry
ISBN:9781337399692
Author:Tro, Nivaldo J.
Publisher:Cengage Learning,