MECH Dept Engineering Topics List

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

The field of study in which the matter responds in a non linear manner to the incident light radiation is known as non linear optics.

Optical Properties of Materials

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

Isotropic transparent materials such as glass do not exhibit double refraction under ordinary circumstances.

Construction, Working Principle, VI Characteristics, Advantages, Drawbacks, Applications, Uses

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

The two bands are separated by the bandgap. The Organic semiconductor materials have HOMO and LUMO bands like valence and conduction bands in inorganic semiconductors (Si, Ge, GAs etc).

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

In the last 1980s the interest in organic semiconductors demonstrated by the invention of electroluminescent devices and FETs made from polythiophene.

Definition, Principle, Construction, Working, Characteristics, Advantages, Disadvantages, Applications

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

It is a specially fabricated p - n junction diode. This diode emits laser light when it is forward - biased.

Construction, Working Principle, VI Characteristics, Advantages, Disadvantages, Applications, Uses

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

It is a p-n junction diode which emits light when it is forward biased.

Definition, Construction, Working Principle, VI Characteristics, Advantages, Disadvantages, Applications, Uses

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

It is a P-N junction diode which converts solar energy (light energy) into electrical energy.

Definition, List with Construction, Working Principle

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

For processing the light signal at the receiver end of the fibre link we require a device to convert the light signals to electrical wave forms.

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

Optoelectronic devices play a vital role in the fiber optics communication, switching and logic gates.

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

The term "Well" refers to a semiconductor region that is grown to possess a lower energy, so that it acts as a trap for electrons and holes.

Optical Properties of Materials

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

The photon flux associated with an electromagnetic wave traveling through a semiconductor is denoted by

Optical Properties of Materials

Subject and UNIT: Materials Science: Unit IV: Optical Properties of Materials

The carrier generation is the process whereby electrons and holes are created. The recombination is the process whereby electrons and holes are annihilated.