Definition, Types, Diodes
Subject and UNIT: Physics for Electrical Engineering: Unit IV: Optical Properties of Materials
It is a device which converts light signal into electrical wave forms.
Subject and UNIT: Physics for Electrical Engineering: Unit IV: Optical Properties of Materials
The importance of optoelectronics applications results from the advances in semiconductor materials, optical fiber communication, optical data processing, display devices and data storage devices.
Subject and UNIT: Physics for Electrical Engineering: Unit IV: Optical Properties of Materials
The basic properties of a quantum well is understood from the simple 'particle in a box' model. In quantum well an isolated thin semiconductor sheet of thickness L is considered as length of the box.
Optical Properties of Semiconductor
Subject and UNIT: Physics for Electrical Engineering: Unit IV: Optical Properties of Materials
The optical intensity (which is the photon flux multiplied by the photon energy h v) falls as the wave travels.
Optical Properties of Materials
Subject and UNIT: Physics for Electrical Engineering: Unit IV: Optical Properties of Materials
Basically, there are three types of carrier generations. They are (i) Photogeneration (ii) Phonon generation (iii) Impact ionization
Optical Properties of Materials
Subject and UNIT: Physics for Electrical Engineering: Unit IV: Optical Properties of Materials
Electrons and holes can be injected into the conduction and valence band in a number of way. The light incident on the material and the absorption of photons creates electron-hole pairs.
Optical Properties of Materials
Subject and UNIT: Physics for Electrical Engineering: Unit IV: Optical Properties of Materials
In semiconductors, light photons is absorbed in several ways. In intrinsic (pure) semiconductors such as Si, Ge and GaAs, light photons is absorbed to create electron-hole pairs.
Subject and UNIT: Physics for Electrical Engineering: Unit IV: Optical Properties of Materials
The interaction between light (photons) and electrons in the semiconductor provides a variety of phenomena. These are used in the field of opto electronics.
Introduction, Classification of Optical materials
Subject and UNIT: Physics for Electrical Engineering: Unit IV: Optical Properties of Materials
The optical characteristics of materials are determined by the type of interaction between the electromagnetic radiation and the electrons of the atoms in the material.
Semiconductors and Transport Physics | Physics for Electrical Engineering
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics : Assignment Problems
Semiconductors and Transport Physics | Physics for Electrical Engineering
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics : Additional part B (16 Marks Questions)
Semiconductors and Transport Physics | Physics for Electrical Engineering
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics : Part b (16 Marks Questions) Anna University Questions