Handbook for Sound Engineers, 4th Edition

Chapter 15

Transmission Techniques: Fiber Optics

 

by Ron Ajemian

15.1 History

15.2 Advantages of Using Fiber Optics for Audio

15.2.1 Applications for Audio

15.3 Physics of Light

15.4 Fiber Optics

15.4.1 Types of Fiber

15.4.2 Characteristics of Typical Fibers

15.4.3 Signal Loss

15.4.3.1 Fiber Optic Transmission Loss (FOTL)

15.4.3.2 Optical Fiber Loss

15.4.3.3 Attenuation Measurement

15.4.3.4 Advancements in OTDR Testing

15.5 Sources

15.5.1 LEDs

15.5.2 Laser Diodes

15.5.3 Superluminescent Diodes (SLDs)

15.5.4 Vertical Cavity Surface Emitting Laser (VCSEL)

15.5.5 LED and Laser Characteristics

15.5.5.1 Output Power

15.5.5.2 Output Pattern

15.5.5.3 Wavelength

15.5.5.4 Speed

15.5.5.5 Lifetime

15.5.5.6 Safety

15.6 Detectors

15.6.1 Quantum Efficiency ...