Scientific principle behind a laser, Physics

Assignment Help:

Scientific principle behind a laser:

The basic scientific principle behind a laser was first put forward by Dr. Charles H.

Towns in 1954 which later led to the development of the laser first developed laser introduced in the year of 1960.

Laser is simply a source of light, but the light has extra - ordinary properties. Laser light is distinguished from an ordinary light source by its

(1) Coherence

(2) Directionality

(3) Monochromaticity and

(4) High intensity.

Lack of coherence makes ordinary light an optical noise. The process of achieving 'population inversion' is called PUMPING. Laser is an extra - ordinary light emitted under stimulated and amplified conditions so that the beam is characterized by high intensity, specific directionality, high monochromaticity and high degree of coherence.

 


Related Discussions:- Scientific principle behind a laser

Lead acid batteries, Lead acid batteries: Lead acid cells have a nomina...

Lead acid batteries: Lead acid cells have a nominal voltage of 2 Volts, therefore a typical 24V aircraft battery would consist of 12 cells connected in series. The active mater

Exhaust gas temperature, Exhaust gas temperature Monitoring of the temp...

Exhaust gas temperature Monitoring of the temperatures within the engine core is performed by the exhaust gas temperature system. The operating limits of the engine, and monit

Gradient, how to find the gradient of factors with x and y

how to find the gradient of factors with x and y

Find the potential difference, A particle with a charge of -1.5uC and a mas...

A particle with a charge of -1.5uC and a mass of 2.5x10-6kgis released from rest at point A and accelerates toward point B, Arriving there with a speed of 42m/s. (a) What is the po

Maxwells electromagnetic equation, Starting from Maxwell's electromagnetic ...

Starting from Maxwell's electromagnetic equation in free space, Get Poynting theorem.

Balanced forces - problems with sitting still, Example 1 - A bird feeder in...

Example 1 - A bird feeder in your yard has a total mass of 3.0 kilograms and is supported as shown. What is the force on the top wire? The bird feeder is not falling so the forc

What is the effective voltage in the primary coil, A step-up transformer ha...

A step-up transformer has a primary coil having of 152 turns and a secondary coil with 3040 turns. The primary coil receives a peak voltage of 98 V. a. What is the effectiv

What are the consequences of dispersion, What are the consequences of dispe...

What are the consequences of dispersion? The main familiar result of dispersion is the splitting up of the composite white light within its constituent colours as into a rainbo

What is the velocity of the combined system, A 10 kilogram body initially m...

A 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest.  The two objects stick together.  W

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd