Skip to content
EngineeringHulk

EngineeringHulk

Free Educational Notes

  • Home
  • Question Papers
  • Toggle search form
  • who is the father of computer science
    Who is the father of computer science general
  • Rabi crops
    Rabi crop general
  • ELEMENTARY EDUCATION DIPLOMA (D.El.Ed.)
    d el ed full form general
  • Income tax inspector
    Income tax inspector general
  • Thales theorem
    Thales theorem general
  • Vera Gedroits
    Vera Gedroits general
  • constant mesh gearbox in automobile
    Constant Mesh Gear Box Automobile Engineering
  • nut vs bolt
    Nut vs bolt general
LASER

LASER full form

Posted on January 18, 2023January 19, 2023 By Dr. Jennifer Russel

Table of Contents

  • What is the full form of LASER?
  • The history of LASER: 
  • The working principles of LASER: 
  • Types of LASER: 
  • The properties of LASER: 
  • The Application of LASER: 
  • The Advantages of LASER: 
  • The disadvantages of LASER: 

What is the full form of LASER?

LASER full form: LASER stands for Light Amplification by Stimulated Emission of Radiation. It is an optical device that produces a powerful beam of light through the process of stimulated emission. The intensity of the beam is much greater than regular light, and its properties are used in many scientific and practical applications. 

Laser light is focused on a very small spot and its intensity allows it to make precise cuts, weld metal, and other materials, and even transmit information through optical fibers. Lasers are also used for medical treatments, such as laser surgery, and entertainment, such as laser light shows.

The history of LASER: 

Laser stands for Light Amplification by Stimulated Emission of Radiation. It was first proposed by Albert Einstein in 1917, but the first working laser was not built until 1960 by Theodore Maiman at Hughes Research Laboratories. 

The first laser used a solid-state ruby crystal as its lasing medium. The laser was powered by a flash lamp and emitted a single pulse of red light with a wavelength of 694.3nm. 

This breakthrough allowed scientists to begin experimenting with lasers and their potential applications. The invention of the laser revolutionized the fields of optics and communications. 

Lasers were used to create higher-quality images, increase the accuracy of measurements, and enable more efficient communications. They were also used to cut materials with unprecedented accuracy and speed. In the mid-1970s, researchers began to experiment with the use of lasers in medical treatments. 

Lasers were used to treat a variety of conditions, such as cataracts, glaucoma, and skin disorders. The invention of the laser allowed for the development of laser surgery, which today is used to treat a variety of conditions. 

The use of lasers has since expanded to many other fields, including manufacturing, telecommunications, and entertainment. Lasers are now used to create holograms, record and playback audio, and video, and even scan barcodes. Today, lasers are used in a wide variety of applications and continue to revolutionize the way we live and work.

LASER SHOW
Light Show Colorful Laser Show Light Laser

The working principles of LASER: 

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term “laser” originated as an acronym for “Light Amplification by Stimulated Emission of Radiation”. 

At the heart of a laser is a gain medium, which is a material that amplifies light by the process of stimulated emission. A typical gain medium consists of a number of atoms or molecules excited to a higher energy level, or “population inversion”. 

This population inversion is achieved by pumping energy into the gain medium, typically in the form of an electrical current or light. When the excited atoms or molecules in the gain medium emit light, the light is amplified because it is being emitted in a particular direction. 

The light emitted from the gain medium is then directed through an optical cavity, which consists of two or more mirrors facing each other. The mirrors reflect the light back and forth between them, amplifying the light further with each pass. This process is known as “optical resonance”. The light exiting the cavity is then focused into a single beam by a lens, and the beam is then directed outward. 

The beam is usually very narrow, allowing it to travel long distances without diverging significantly. Lasers have a wide variety of uses, such as cutting and welding materials, measuring distances, and providing precision targeting in military applications. They are also used in medical applications, such as eye surgery and laser therapy.

Types of LASER: 

There are many different types of lasers, depending on the application they are used for. Common types of lasers include diode lasers, semiconductor lasers, solid-state lasers, gas lasers, dye lasers, and excimer lasers.

Diode lasers are the most commonly used type of laser and are used in a variety of applications, including optical disc systems, laser printers, and barcode scanners. They are relatively inexpensive and easy to produce, making them the most popular type of laser.

Semiconductor lasers are similar to diode lasers but are more powerful and efficient. They are used in laser pointers, laser cutting, and laser engraving.

Solid-state lasers are usually made up of a lasing medium, a reflector, and an optical cavity. They are used in medicine and laser shows.

Gas lasers use gas as their lasing medium, and are the most powerful type of laser. Common gases used are helium and nitrogen, and they are used in laser cutting and welding, laser spectroscopy, and laser displays

Dye lasers use a solution of a dye as their lasing medium, and are used in laser printing, laser marking, and spectroscopy.

Excimer lasers use a gas mixture of a rare gas and an inert gas as their lasing medium and are used in laser surgery and laser cutting. They are very powerful and are the most expensive type of laser.

The properties of LASER: 

LASER stands for Light Amplification by Stimulated Emission of Radiation and is a type of light source that is highly directional, monochromatic, and coherent. A laser consists of an amplifying medium, typically a solid-state material, such as a crystal or a gas, that is held inside a cavity. 

The amplifying medium is pumped by an external source of energy, such as an electric current or a flash of light, which causes it to emit photons. These photons then interact with the amplifying medium and are stimulated to emit additional photons in the same direction, amplifying the initial beam of light. 

The light emitted by a laser is highly directional, meaning that it is focused into a tight beam, which makes it ideal for a variety of applications, such as laser cutting and welding. 

The beam is also monochromatic, meaning that it contains one single wavelength of light, and it is coherent, meaning that the light waves are all in phase with each other, resulting in a more powerful beam. 

The intense light emitted by lasers makes them useful for many industrial applications, such as cutting and welding metals, as well as for medical and scientific purposes, such as scanning, imaging, and measuring. Lasers are also used in laser printers, laser pointers, and laser levels.

The Application of LASER: 

Laser technology is used in a wide variety of applications in various industries, from medical to industrial. In the medical field, lasers are used for a variety of purposes, from diagnostics and treatments to cosmetic procedures and surgery. 

Laser surgery is a minimally invasive procedure that uses intense light to cut, vaporize, and coagulate tissue. It can be used to correct vision problems, remove tumors, and treat skin conditions. In the industrial field, lasers are used for welding, cutting, marking, and engraving materials, as well as measuring, drilling and inspecting components. 

Lasers are also used in metal cutting, printing, and 3D printing applications. In the automotive industry, lasers are used for cutting, welding, and forming automotive parts. Lasers are also used in security and surveillance systems, as well as in telecommunications, entertainment, and research. 

In addition, lasers are used in scientific research, such as spectroscopy and microscopy. Lasers are also used in the manufacturing of semiconductor materials and devices, as well as in military applications.

The Advantages of LASER: 

LASER stands for Light Amplification by Stimulated Emission of Radiation. It is a device that emits highly concentrated, monochromatic light beams and is used in a wide range of applications. The advantages of using a LASER are numerous. 

First, LASERs are highly accurate and precise. The concentrated, monochromatic light beams can be directed to a specific point with great accuracy and precision, making them ideal for tasks that require exact measurements. This is especially beneficial in medical applications, such as laser surgery, where precision is essential. 

Second, LASERs are very efficient. They can be used to perform tasks quickly and with minimal energy consumption. This makes them ideal for many applications, such as cutting and welding, where speed is important. Third, lasers can be used in a wide variety of applications. 

They can be used for cutting and welding, as well as for engraving and marking. They are also used in medical applications such as laser surgery and laser eye surgery. In addition, LASERs are used in the entertainment industry for special effects and in surveying for surveying and mapping. 

Finally, LASERs are relatively safe to use, as the light beams are highly concentrated and monochromatic. This makes them safer than other sources of light, such as ultraviolet rays or X-rays, which can be dangerous to humans. 

Overall, LASERs offer many advantages, from their high accuracy and efficiency to their wide range of applications. As such, they are widely used in many industries and applications.

The disadvantages of LASER: 

Laser (Light Amplification by Stimulated Emission of Radiation) has many advantages, but it also has a few disadvantages. 

First, the laser is expensive to develop and maintain. Lasers require sophisticated and costly equipment, and their components must be regularly maintained and replaced. 

Second, laser beams can be dangerous. Laser beams can cause eye damage, and therefore precautions must be taken when using them. Also, the laser beam can cause fires or explosions if directed at flammable or combustible materials. 

Third, lasers can be difficult to control and direct accurately. Laser beams can be easily scattered or diffused, and therefore, require precise alignment and aiming to achieve the desired results. 

Fourth, lasers can be difficult to focus on. Laser beams must be focused on a very small area to achieve the desired results. This requires highly accurate optics, which can be difficult and expensive to produce. 

Finally, lasers have limited applications. Lasers are not suitable for all applications, and therefore, their use is limited. In addition, some applications require very specific wavelengths of light, which may not be available from lasers.

general

Post navigation

Previous Post: Introvert meaning in Hindi
Next Post: TMT full form

Related Posts

  • dfo full form
    dfo full form general
  • Roll of individuals in the conservation of natural resources
    Roll of individuals in the conservation of natural resources general
  • Vikram university
    Vikram University general
  • Hokera wetland
    Hokera wetland general
  • layers of atmosphere
    Layers of atmosphere general
  • District education office
    District education office general

Categories

  • Automobile Engineering (29)
    • Module 1 (10)
      • Clutch (2)
      • Propellar Shaft & Axle (2)
      • Transmission (6)
    • Module 2 (10)
      • Braking System (5)
      • Final Drive and Differential (2)
      • Steering System (3)
    • Module 3 (2)
      • Suspension System (1)
      • Wheels & Tyres (1)
    • Module 4 (6)
      • Automotive Electrical System (6)
  • general (137)
  • Manufacturing Engineering/Production Process (11)
  • News (1)
  • Renewable sources of Energy (34)
    • Energy from Biomass (7)
    • Geothermal Energy (6)
    • Solar Energy (1)
    • Wind Energy (3)
  • Thermodynamics (6)

    Recent Posts

    • Thyristor in power electronics March 25, 2023
    • ibps (Institute of Banking Personnel Selection) March 25, 2023
    • Layers of atmosphere March 25, 2023
    • 1 million in lakhs March 24, 2023
    • Who discovered proton March 24, 2023
    • SIM full form March 24, 2023
    • Assam capital March 24, 2023
    • Income tax inspector March 24, 2023
    • Isomers of pentane March 24, 2023
    • Classification of computer March 22, 2023
    • IAS full form March 22, 2023
    • VISA full form March 21, 2023
    • trysem full form March 21, 2023
    • Savinay Avagya Andolan March 21, 2023
    • Marcos commando March 21, 2023
    • Hokera wetland March 21, 2023
    • Nose Shapes: Exploring the Fascinating World March 21, 2023
    • Indian football players March 19, 2023
    • Nivedita Menon March 19, 2023
    • The Fastest Century in T20: A Record That Continues to Impress March 19, 2023
    • Lachit Borphukan March 18, 2023
    • XNXP personality traits March 18, 2023
    • how many countries in the world? March 18, 2023
    • gk questions March 18, 2023
    • Vera Gedroits March 17, 2023
    • H3N2 virus – Detailed important information March 14, 2023
    • Nut vs bolt March 12, 2023
    • Specific gravity of water March 12, 2023
    • Vernier caliper March 3, 2023
    • Lami’s theorem March 1, 2023
    • lad meaning in Hindi March 1, 2023
    • Byopia/biopia March 1, 2023
    • Top 10 Udemy Courses March 1, 2023
    • Mass of electron February 28, 2023
    • Hcl Molar Mass February 17, 2023
    • Vikram University February 17, 2023
    • District education office February 17, 2023
    • Agriculture officer February 17, 2023
    • Loco Pilot February 16, 2023
    • Google bard AI February 8, 2023
    • Remote procedure call [RPC] February 8, 2023
    • Raj Rishi Bhartrihari Matsya University February 8, 2023
    • CCC full form: Course on computer concepts February 8, 2023
    •  Maharaja Krishnakumar Sinhji Bhavnagar University February 8, 2023
    • Scholarship 2.0 February 8, 2023
    • Amyloidosis: Causes, Risk Factors, diagnosis & treatment February 5, 2023
    • Type 1 and Type 2 Superconductors February 4, 2023
    • N phenylethanamide February 4, 2023
    • Two nation theory February 4, 2023
    • Kranz Anatomy February 4, 2023
    • Megasporogenesis February 4, 2023
    • NADPH full form February 4, 2023
    • Unit of hall coefficient February 4, 2023
    • Fixed beam February 4, 2023
    • History of Pharmacognosy February 4, 2023
    • Unit of Strain February 4, 2023
    • Sarasvati Shishu Vidya mandir February 2, 2023
    • Tally full form February 2, 2023
    • IDR full form February 2, 2023
    • SSC CHSL full form February 1, 2023
    • N-Phenylethanamide
      N phenylethanamide general
    • Basic components of wind energy
      Basic components of wind energy Renewable sources of Energy
    • 50000 in Words
      50000 in Words general
    • 20000 in Words
      20000 in Words general
    • cornering in automobiles
      Cornering power in Automobile Automobile Engineering
    • Engineering
      After the 12th Which engineering branch should I choose and why? Renewable sources of Energy
    • dynamo
      Dynamo in Automobile Engineering Automobile Engineering
    • clutch
      Automobile Clutch | Types | Working | Pros | Cons | Uses Automobile Engineering

    Privacy Policy

    Cookie Policy

    About us

    Contact us

    Copyright © 2023 EngineeringHulk.

    Powered by PressBook News WordPress theme

    WhatsApp me