This post answers the question: "What is mode propagation in optical fiber?". In order to consider concept of light propagation we will use Maxwell…
Category: Year 3
Single-mode fibers
This post answers the question: "What are features of single mode fiber?". Single-mode fibers are fibers that support only HE11 mode, fundamental mode. Single-mode…
Transmission line theory
The transmission line theory, in contrary, works in conditions where the transmission line is equal to a part of the signal wavelength. The transmission…
IoT applications in industry
Among all IoT applications, it’s the ones that are based in industry that are most challenging, and it is also the key factor behind…
What is an optical communication system
The typical optical carrier frequencies are ~ 200THz. The microwave carrier frequencies are ~1GHz. This means that optical communication systems have a larger capacity…
Step-index and grade-index fibers
This post answers the question "What is meant by step-index and grade-index fibers?". Geometrical fiber is the simplest type of fiber optics, has cylindric…
Top IoT terms and challenges
This post covers top IoT terms and challenges. IoT usage is growing rapidly. Manufacturers are creating more and more IoT devices. Consumers buy and…
What does the IoT system look like?
This post answers two questions: What is IoT and how it works? What is IoT architecture? Before creating an IoT solution, it is important…
IoT devices and gateways
This post cover important topic of IoT devices nad gateways. An IoT device is an embedded computer, incorporating one or more following functions: Computing capability;…
WAN and it’s types.
This post answers the questions "What is WAN?" and "What are different types of WAN?". WAN stands for wide area networking. It serves to…