10
Lasers
CHAPTER OBJECTIVES
10.4 Relations Between the Einstein’s Coefficients
10.6 Methods to Create Population Inversion
10.7 Principle of Pumping Schemes
10.8 Requirements and Rate Equations for Lasers
10.9 Experimental Aspect of Lasers
10.10 Characteristics of Laser Beams
10.12 Wavelength Range and Power Output of Lasers
10.1 INTRODUCTION
The laser is now in its sixth decade. During this period it has brought about a rebirth of science and technology of optics and has led to the development of whole new industries. In this chapter, we will only study ...
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