Tag Laser

Microwave & Radar

Properties of laser light

We know that laser generates light that has all the characteristics of ordinary light, However there are three important distinct characteristics of laser light that make it different from other ordinary light. These characteristics are Monochromaticity Divergence Coherence Monochromaticity The…

ustaad
December 16, 2017

Microwave & Radar

Black Body Radiation for LASER

We know that a body which absorbs all kind of radiation falling on it is called black body. Consider a solid that has a hollow cavity within it. It has a small hole and the radiation can escape only through…

ustaad
December 16, 2017

Microwave & Radar

Characteristics of GAS Lasers

The lasers having gas as an active medium is called gas lasers. Generally there are three classes of gas lasers.

ustaad
December 16, 2017

Microwave & Radar

Laser Accessories Part 4 (Detectors)

Detectors are device used with lasers to detect or discover the presence of something. There are two categories of the detectors

ustaad
December 16, 2017

Microwave & Radar

Laser Accessories Part 3 (Q-Switches)

The Q-Switch is a device which is placed inside the laser cavity. Main purpose of the Q-switch is to rapidly change the feedback of a laser cavity from minimum to maximum.

ustaad
December 16, 2017

Microwave & Radar

Laser Accessories Part 2 (Optical Materials)

Currently there are a great number of materials available for use in the optical components.

ustaad
December 16, 2017

Microwave & Radar

Laser Accessories Part 1 (Prism & Lens)

Mostly the laser is not used by itself but rather, it is combined with a number of accessories and used as part of larger system.

ustaad
December 16, 2017

Microwave & Radar

Essential Laser Components

There are four essential or basic components of laser, may be listed as:Active medium, Excitation mechanism, Feedback mechanism, Output coupler.

ustaad
December 16, 2017

Microwave & Radar

He-Ne Laser

He-Ne stands for Helium-Neon. The He-Ne laser active medium consists of two gases which do not interact form a molecule.

ustaad
December 16, 2017

Microwave & Radar

Ruby Laser

The first working laser was built in 1960 by Maiman, using a ruby crystal and so called the Ruby laser.

ustaad
December 16, 2017

Microwave & Radar

Gallium Arsenide Laser

The gallium Arsenide laser is designed in such a way that a piece of N-type Gallium Arsenide material is taken and a layer

ustaad
December 16, 2017

Microwave & Radar

Semiconductor lasers

The semiconductor laser is very small in size and appearance. It is similar to a transistor and has the operation like LED but the output beam has the characteristics of laser light