optics is the branch of physics responsible for studying the phenomena of light and human vision. This study is divided into two, according to the behavior of light: geometric optics and physical optics.
THE geometric optics is restricted to the study of the propagation of light by means of rays. Among the phenomena analyzed by this field of study are: the reflection and refraction of light, mirrors and lenses, and the straight propagation of light.
already the physical optics studies light in the form of waves. Among the studied phenomena are: composition, emission, absorption, polarization, diffraction and light interference.
The first studies on optics and light phenomena date back to ancient civilizations, such as in Ancient Greece, for example. However, it was from the studies of Galileo Galilei, in the 16th century, that this scientific branch began to develop intensely.
Since then, other important names have contributed to the growth of the study of Optics, such as: Rene Descartes (1596 – 1650), Christian Huygens (1629 – 1695) and Isaac Newton (1643 – 1727).
The word optics can also represent the place of manufacture and sale of glasses and other lenses, such as telescopes, binoculars and optical instruments in general.
Another meaning for this term is the way in which a certain object can be observed, that is, its perspective on someone; or point of view of something.
Example:"From the perspective of the researcher, the result was positive".
Etymologically, optics originated from the Greek optike, which means “art of seeing” or “science of sight”.
Optical fiber
It is a mechanism that facilitates the transmission of light rays, usually made of flexible glass filaments or other material that is produced with polymer – a type of micromolecule in plastic.
Currently, as it does not suffer from electromagnetic interference, optical fiber is widely used as a means of transmitting data, information and communications.
Fiber optics was invented by Indian physicist Narinder Singh Kapany.
know more about Optical fiber.
Optics and Optics
Commonly, both words are used interchangeably, mainly to refer to phenomena related to vision.
However, some dictionaries differentiate the meanings of "optics" and "optics", with the first term relating exclusively to vision, and the last referring to hearing phenomena.
