Textbook Problem

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Why have semiconductor lasers become common in many consumer applications such as CD players?

Interpretation Introduction

Interpretation:

The reason due to which semiconductor lasers have become common in many consumer applications is to be explained.

Concept introduction:

The distance between two consecutive crests of a wave of light is called the wavelength of light.

Materials that have a resistance level between a conductor and an insulator is called a semiconductor.

The diode is a semiconductor device that allows the flow of current in one direction only.

Explanation of Solution

Semiconductor lasers are the least expensive, they have high efficiency and low power consumption...