Understanding Optical Fiber Technology

The video tutorial explores the workings of optical fiber cables, which are crucial for global data transmission. It covers the basic principles of light behavior, such as refraction and total internal reflection, which enable optical fibers to transmit data efficiently. The video also compares optical fibers with traditional copper cables, highlighting the advantages of optical fibers in terms of speed, bandwidth, and data security. Additionally, it explains how signals are transmitted through optical fibers and the role of amplifiers in maintaining signal strength over long distances.

What is the primary function of optical fiber cables?

• To transmit data in the form of light

• To store data

• To generate electricity

• To amplify sound

What phenomenon occurs when light passes through a prism and bends?

• Refraction

• Diffraction

• Absorption

• Reflection

What is the term for the complete reflection of light within a medium?

• Diffuse reflection

• Total internal reflection

• Specular reflection

• Partial reflection

What happens to light when it hits the interface at an angle greater than the critical angle in optical fibers?

• It scatters

• It gets absorbed

• It undergoes total internal reflection

• It refracts

What material is commonly used as the core of optical fibers?

• Silica

• Copper

• Plastic

• Aluminum

What is the main cause of signal attenuation in optical fibers?

• Interference

• Reflection

• Diffraction

• Absorption and scattering

How is the power for amplifiers in undersea optical cables typically supplied?

• Thin copper sheath within the cable

• Batteries

• Solar panels

• Wind turbines

What is the main advantage of optical fiber cables over traditional copper cables?

• Higher data transmission speed

• Lower cost

• Easier installation

• Better sound quality

Why do optical fibers provide higher data security compared to copper cables?

• They are cheaper

• They are easier to install

• They are more flexible

• Light signals are confined within the fiber

Which companies are known for maintaining undersea optical fiber cables?

• Google and Microsoft

• Apple and Amazon

• Verizon and BINTA

• Samsung and Sony