Vertical cavity surface emitting laser (VCSEL)

A vertical cavity surface emitting laser (VCSEL) is a type of semiconductor laser diode with a vertically oriented cavity and an active region that emits light perpendicular to the top surface of the device. VCSELs are used in a variety of applications including data communications, optical networking, laser printing, and barcode scanning. What is VCSEL … Read more


A solid is a three-dimensional object that has a definite shape and volume. In other words, a solid is a object that has width, height, and depth. What is solid give examples? In computer science, a solid is a software design principle that provides guidelines for how software should be designed so that it is … Read more