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The Manual of Photography and Digital Imaging, 10th Edition by Sophie Triantaphillidou, Elizabeth Allen

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Chapter   | 9 |

Image sensors

Robin Jenkin

All images © Robin Jenkin unless indicated.

INTRODUCTION

Photography has a long and well-documented history. The ability to record images in this manner has existed for more than 150 years. Less well known is that the electronic detection of light has also been possible for over a century and that images have been transmitted in this manner since the early 1900s. The growth of the digital imaging industry, therefore, should be attributed to something other than the use of electronics to form images.

image

Figure 9.1   An array of photodiodes can be arranged to record an image.

Imagine using a simple photodiode ...

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