SlideShare a Scribd company logo
1 of 6
Download to read offline
A laser is a device that emits
          colour light
• The word laser started as an acronym for light
  amplification by stimulated emission of radiation.
• There are some types of lasers: infrared lasers,
  ultraviolet laser, X-ray laser and more that we
  doesn’t know.
•  A laser which produces light by itself is
  technically an optical oscillator rather than an
  optical amplifier as suggested by the acronym.
A LASER IS CONSTRUCTED FROM
    THREE PRINCIPAL PARTS

• An energy source
• A laser medium
• Two or more
  mirrors that form
  an optical
  resonator
LASER CONSTRUCTION
•   A laser consists of a gain medium inside a highly reflective
    optical cavity, as well as a means to supply energy to the gain
    medium. The gain medium is a material with properties that
    allow it to amplify light by stimulated emission. In its simplest
    form, a cavity consists of two mirrors arranged such that light
    bounces back and forth, each time passing through the gain
    medium. Typically one of the two mirrors, the output coupler , is
    partially transparent. The output laser beam is emitted through
    this mirror.
•   Light of a specific wavelength that passes through the gain
    medium is amplified (increases in power); the surrounding
    mirrors ensure that most of the light makes many passes
    through the gain medium, being amplified repeatedly. Part of the
    light that is between the mirrors (that is, within the cavity)
    passes through the partially transparent mirror and escapes as a
    beam of light.
•   The process of supplying the energy required for the
    amplification is called pumping. The energy is typically supplied
    as an electrical current or as light at a different wavelength.
    Such light may be provided by a flash lamp or perhaps another
    laser. Most practical lasers contain additional elements that
    affect properties such as the wavelength of the emitted light and
    the shape of the beam.
USES OF LASER
• When lasers were invented in 1960, they
  were called "a solution looking for a
  problem".
• Since then, they have become ubiquitous,
  finding utility in thousands of highly varied
  applications in every section of modern
  society, including:
• consumer electronics,
  information technology, science, medicine,
  industry, law enforcement, entertainment,
  and the military.
TYPES OF LASERS
•   GAS LASERS
•   EXCIMER LASERS
•   CHEMICAL LASERS
•   SOLID STATE LASERS
•   FIBER LASERS
•   PHOTONIC CRYSTAL LASERS
•   SEMICONDUCTOR LASERS
•   DYE LASERS
•   FREE ELECTRON LASERS
•   BIO LASER

More Related Content

What's hot

application of laser
application of laserapplication of laser
application of laser140120109032
 
Properties of light
Properties of lightProperties of light
Properties of lightmrbahia
 
Presentation on lights [ physics ]
Presentation on lights [ physics ]Presentation on lights [ physics ]
Presentation on lights [ physics ]Touhidul Shawan
 
Laser presentation 11
Laser presentation 11Laser presentation 11
Laser presentation 11Amit Sen
 
Properties of light/ dental implant courses
Properties of light/ dental implant coursesProperties of light/ dental implant courses
Properties of light/ dental implant coursesIndian dental academy
 
Laser & Its Application
Laser & Its ApplicationLaser & Its Application
Laser & Its ApplicationTuhin_Das
 
Ch 3 -properties of light
Ch 3 -properties of lightCh 3 -properties of light
Ch 3 -properties of lightcphsastronomy
 
Laser Technology - Basics & Applications
Laser Technology - Basics & ApplicationsLaser Technology - Basics & Applications
Laser Technology - Basics & ApplicationsJayesh N Desai
 
laser-communication
laser-communicationlaser-communication
laser-communicationATTO RATHORE
 
REFLECTION AND REFRACTION OF LIGHT
REFLECTION AND REFRACTION OF LIGHTREFLECTION AND REFRACTION OF LIGHT
REFLECTION AND REFRACTION OF LIGHTfourangela
 
Basic principles of light control
Basic principles of light controlBasic principles of light control
Basic principles of light controlKupili Archana
 
Medical applications of laser 1
Medical applications of laser 1Medical applications of laser 1
Medical applications of laser 1Bio Physics
 
Laser applications in surface modifications..
Laser applications in surface modifications..Laser applications in surface modifications..
Laser applications in surface modifications..Prem Kumar
 
Light presentation
Light presentationLight presentation
Light presentationNaman Jain
 
Laser & its applications in biology
Laser & its applications in biologyLaser & its applications in biology
Laser & its applications in biologysana sana
 

What's hot (19)

application of laser
application of laserapplication of laser
application of laser
 
Properties of light
Properties of lightProperties of light
Properties of light
 
Presentation on lights [ physics ]
Presentation on lights [ physics ]Presentation on lights [ physics ]
Presentation on lights [ physics ]
 
Properties of-light
Properties of-lightProperties of-light
Properties of-light
 
Laser optics
Laser opticsLaser optics
Laser optics
 
Laser presentation 11
Laser presentation 11Laser presentation 11
Laser presentation 11
 
Properties of light/ dental implant courses
Properties of light/ dental implant coursesProperties of light/ dental implant courses
Properties of light/ dental implant courses
 
Laser & Its Application
Laser & Its ApplicationLaser & Its Application
Laser & Its Application
 
Ch 3 -properties of light
Ch 3 -properties of lightCh 3 -properties of light
Ch 3 -properties of light
 
Laser Technology - Basics & Applications
Laser Technology - Basics & ApplicationsLaser Technology - Basics & Applications
Laser Technology - Basics & Applications
 
laser-communication
laser-communicationlaser-communication
laser-communication
 
REFLECTION AND REFRACTION OF LIGHT
REFLECTION AND REFRACTION OF LIGHTREFLECTION AND REFRACTION OF LIGHT
REFLECTION AND REFRACTION OF LIGHT
 
Laser & x rays 2
Laser & x  rays 2Laser & x  rays 2
Laser & x rays 2
 
Laser ppt
Laser pptLaser ppt
Laser ppt
 
Basic principles of light control
Basic principles of light controlBasic principles of light control
Basic principles of light control
 
Medical applications of laser 1
Medical applications of laser 1Medical applications of laser 1
Medical applications of laser 1
 
Laser applications in surface modifications..
Laser applications in surface modifications..Laser applications in surface modifications..
Laser applications in surface modifications..
 
Light presentation
Light presentationLight presentation
Light presentation
 
Laser & its applications in biology
Laser & its applications in biologyLaser & its applications in biology
Laser & its applications in biology
 

Viewers also liked

Gross misconduct
Gross misconductGross misconduct
Gross misconductSheila A
 
Nerves and senses ana
Nerves  and senses anaNerves  and senses ana
Nerves and senses analola caravaca
 
Sectors of the economy alonso
Sectors of the economy alonsoSectors of the economy alonso
Sectors of the economy alonsolola caravaca
 
2516186 oracle9i-dba-fundamentals-ii-volume-ii
2516186 oracle9i-dba-fundamentals-ii-volume-ii2516186 oracle9i-dba-fundamentals-ii-volume-ii
2516186 oracle9i-dba-fundamentals-ii-volume-iiNishant Gupta
 
7*р анги
7*р анги7*р анги
7*р ангиkhandka
 
A love story
A love storyA love story
A love storyevei
 
The minerals jessica
The minerals jessicaThe minerals jessica
The minerals jessicalola caravaca
 
Rdp Software & IT Eligibility
Rdp Software & IT EligibilityRdp Software & IT Eligibility
Rdp Software & IT Eligibilityrkun
 
Weather and climate nico
Weather and climate nicoWeather and climate nico
Weather and climate nicolola caravaca
 
The digestive system
The  digestive   systemThe  digestive   system
The digestive systemlola caravaca
 
Landscapes in spain luis
Landscapes in spain luisLandscapes in spain luis
Landscapes in spain luislola caravaca
 
Four seasons
Four seasonsFour seasons
Four seasonsHilton
 
Living things maria moya
Living things maria moyaLiving things maria moya
Living things maria moyalola caravaca
 
Роль стантартов в развитии On line торговли
Роль стантартов в развитии On line торговлиРоль стантартов в развитии On line торговли
Роль стантартов в развитии On line торговлиWikimart
 

Viewers also liked (20)

By emilio
By emilioBy emilio
By emilio
 
Gross misconduct
Gross misconductGross misconduct
Gross misconduct
 
Emily yeung
Emily yeungEmily yeung
Emily yeung
 
Nerves and senses ana
Nerves  and senses anaNerves  and senses ana
Nerves and senses ana
 
презентация лузановой с.в.
презентация лузановой с.в.презентация лузановой с.в.
презентация лузановой с.в.
 
Sectors of the economy alonso
Sectors of the economy alonsoSectors of the economy alonso
Sectors of the economy alonso
 
2516186 oracle9i-dba-fundamentals-ii-volume-ii
2516186 oracle9i-dba-fundamentals-ii-volume-ii2516186 oracle9i-dba-fundamentals-ii-volume-ii
2516186 oracle9i-dba-fundamentals-ii-volume-ii
 
7*р анги
7*р анги7*р анги
7*р анги
 
Pytables
PytablesPytables
Pytables
 
A love story
A love storyA love story
A love story
 
The minerals jessica
The minerals jessicaThe minerals jessica
The minerals jessica
 
Rdp Software & IT Eligibility
Rdp Software & IT EligibilityRdp Software & IT Eligibility
Rdp Software & IT Eligibility
 
Weather and climate nico
Weather and climate nicoWeather and climate nico
Weather and climate nico
 
Living things pedro
Living things pedroLiving things pedro
Living things pedro
 
Tertiary sector
Tertiary sectorTertiary sector
Tertiary sector
 
The digestive system
The  digestive   systemThe  digestive   system
The digestive system
 
Landscapes in spain luis
Landscapes in spain luisLandscapes in spain luis
Landscapes in spain luis
 
Four seasons
Four seasonsFour seasons
Four seasons
 
Living things maria moya
Living things maria moyaLiving things maria moya
Living things maria moya
 
Роль стантартов в развитии On line торговли
Роль стантартов в развитии On line торговлиРоль стантартов в развитии On line торговли
Роль стантартов в развитии On line торговли
 

Similar to Lasers

LASERS IN CONSERVATIVE DENTISTRY AND ENDODONTICS new.pptx
LASERS IN CONSERVATIVE DENTISTRY AND ENDODONTICS new.pptxLASERS IN CONSERVATIVE DENTISTRY AND ENDODONTICS new.pptx
LASERS IN CONSERVATIVE DENTISTRY AND ENDODONTICS new.pptxCmenonMenon
 
Laser in dentistry
Laser in dentistryLaser in dentistry
Laser in dentistryAnkit Patel
 
laserindentistry-170610025428.pptx
laserindentistry-170610025428.pptxlaserindentistry-170610025428.pptx
laserindentistry-170610025428.pptxDrCarlosIICapitan
 
laserindentistry-170610025428.pptx
laserindentistry-170610025428.pptxlaserindentistry-170610025428.pptx
laserindentistry-170610025428.pptxDrCarlosIICapitan
 
basics in laser
basics in laserbasics in laser
basics in laserchinnu04
 
Lasers in ophthalmology - Dr. Parag Apte
Lasers in ophthalmology - Dr. Parag ApteLasers in ophthalmology - Dr. Parag Apte
Lasers in ophthalmology - Dr. Parag Apteparag apte
 
LASER & APPLICATIONS
LASER & APPLICATIONSLASER & APPLICATIONS
LASER & APPLICATIONSArun Ashok
 
BASICS OF LASER AND IT'S USE IN DERMATOLOGY
BASICS OF LASER AND IT'S USE IN DERMATOLOGYBASICS OF LASER AND IT'S USE IN DERMATOLOGY
BASICS OF LASER AND IT'S USE IN DERMATOLOGYRohit Singh
 
This is a presentation on the basics on LASER
This is a presentation on the basics on LASERThis is a presentation on the basics on LASER
This is a presentation on the basics on LASERSakeena Asmi
 
Lasers in dentistry1/ orthodontic course by indian dental academy
Lasers in dentistry1/ orthodontic course by indian dental academyLasers in dentistry1/ orthodontic course by indian dental academy
Lasers in dentistry1/ orthodontic course by indian dental academyIndian dental academy
 
Lasers in dentistry/ orthodontic course by indian dental academy
Lasers in dentistry/ orthodontic course by indian dental academyLasers in dentistry/ orthodontic course by indian dental academy
Lasers in dentistry/ orthodontic course by indian dental academyIndian dental academy
 
Enhancement in Laser Tchnology
Enhancement in Laser TchnologyEnhancement in Laser Tchnology
Enhancement in Laser TchnologyMandar Pathrikar
 

Similar to Lasers (20)

LASERS IN CONSERVATIVE DENTISTRY AND ENDODONTICS new.pptx
LASERS IN CONSERVATIVE DENTISTRY AND ENDODONTICS new.pptxLASERS IN CONSERVATIVE DENTISTRY AND ENDODONTICS new.pptx
LASERS IN CONSERVATIVE DENTISTRY AND ENDODONTICS new.pptx
 
Laser in dentistry
Laser in dentistryLaser in dentistry
Laser in dentistry
 
Lasers physics
Lasers physicsLasers physics
Lasers physics
 
laserindentistry-170610025428.pptx
laserindentistry-170610025428.pptxlaserindentistry-170610025428.pptx
laserindentistry-170610025428.pptx
 
laserindentistry-170610025428.pptx
laserindentistry-170610025428.pptxlaserindentistry-170610025428.pptx
laserindentistry-170610025428.pptx
 
lasers.pptx
lasers.pptxlasers.pptx
lasers.pptx
 
Lasers in urology
Lasers in urologyLasers in urology
Lasers in urology
 
basics in laser
basics in laserbasics in laser
basics in laser
 
Lasers in ophthalmology - Dr. Parag Apte
Lasers in ophthalmology - Dr. Parag ApteLasers in ophthalmology - Dr. Parag Apte
Lasers in ophthalmology - Dr. Parag Apte
 
LASER & APPLICATIONS
LASER & APPLICATIONSLASER & APPLICATIONS
LASER & APPLICATIONS
 
laser.pptx
laser.pptxlaser.pptx
laser.pptx
 
LASERS.pptx
LASERS.pptxLASERS.pptx
LASERS.pptx
 
Topic 4b Laser.pptx
Topic 4b Laser.pptxTopic 4b Laser.pptx
Topic 4b Laser.pptx
 
Laser surazz
Laser   surazzLaser   surazz
Laser surazz
 
BASICS OF LASER AND IT'S USE IN DERMATOLOGY
BASICS OF LASER AND IT'S USE IN DERMATOLOGYBASICS OF LASER AND IT'S USE IN DERMATOLOGY
BASICS OF LASER AND IT'S USE IN DERMATOLOGY
 
This is a presentation on the basics on LASER
This is a presentation on the basics on LASERThis is a presentation on the basics on LASER
This is a presentation on the basics on LASER
 
Lasers in dentistry1/ orthodontic course by indian dental academy
Lasers in dentistry1/ orthodontic course by indian dental academyLasers in dentistry1/ orthodontic course by indian dental academy
Lasers in dentistry1/ orthodontic course by indian dental academy
 
Lasers in dentistry/ orthodontic course by indian dental academy
Lasers in dentistry/ orthodontic course by indian dental academyLasers in dentistry/ orthodontic course by indian dental academy
Lasers in dentistry/ orthodontic course by indian dental academy
 
Lasers
LasersLasers
Lasers
 
Enhancement in Laser Tchnology
Enhancement in Laser TchnologyEnhancement in Laser Tchnology
Enhancement in Laser Tchnology
 

More from lola caravaca

By jorge and nadir tema 3 natural
By jorge and nadir tema 3 naturalBy jorge and nadir tema 3 natural
By jorge and nadir tema 3 naturallola caravaca
 
Natural unit 3 common illneses
Natural unit 3 common illnesesNatural unit 3 common illneses
Natural unit 3 common illneseslola caravaca
 
By maria teresa unit3 ingles
By maria teresa unit3 inglesBy maria teresa unit3 ingles
By maria teresa unit3 ingleslola caravaca
 
By sandra and claudia
By sandra and claudiaBy sandra and claudia
By sandra and claudialola caravaca
 
How can we prevent pollution
How can we prevent pollutionHow can we prevent pollution
How can we prevent pollutionlola caravaca
 
By carolina and julia
By carolina and juliaBy carolina and julia
By carolina and julialola caravaca
 
Fran 4ºb the excretory system
Fran 4ºb the excretory systemFran 4ºb the excretory system
Fran 4ºb the excretory systemlola caravaca
 
By elena and maria teresa
By elena and maria teresaBy elena and maria teresa
By elena and maria teresalola caravaca
 
4410691 d 11d9-47f6-9620-db62c6663b70
4410691 d 11d9-47f6-9620-db62c6663b704410691 d 11d9-47f6-9620-db62c6663b70
4410691 d 11d9-47f6-9620-db62c6663b70lola caravaca
 

More from lola caravaca (20)

English5
English5English5
English5
 
English fancy dress
English fancy dressEnglish fancy dress
English fancy dress
 
English fancy dress
English fancy dressEnglish fancy dress
English fancy dress
 
Fancy dress
Fancy dressFancy dress
Fancy dress
 
Bronze age (1)
Bronze age (1)Bronze age (1)
Bronze age (1)
 
Illnesses
IllnessesIllnesses
Illnesses
 
By jorge and nadir tema 3 natural
By jorge and nadir tema 3 naturalBy jorge and nadir tema 3 natural
By jorge and nadir tema 3 natural
 
First aid carolina
First aid carolinaFirst aid carolina
First aid carolina
 
Natural unit 3 common illneses
Natural unit 3 common illnesesNatural unit 3 common illneses
Natural unit 3 common illneses
 
By maria teresa unit3 ingles
By maria teresa unit3 inglesBy maria teresa unit3 ingles
By maria teresa unit3 ingles
 
By sandra and claudia
By sandra and claudiaBy sandra and claudia
By sandra and claudia
 
By elena and jorge
By elena and jorgeBy elena and jorge
By elena and jorge
 
How can we prevent pollution
How can we prevent pollutionHow can we prevent pollution
How can we prevent pollution
 
Tema 3 de natura
Tema 3 de  naturaTema 3 de  natura
Tema 3 de natura
 
Tema 3 de natura
Tema 3 de  naturaTema 3 de  natura
Tema 3 de natura
 
By carolina and julia
By carolina and juliaBy carolina and julia
By carolina and julia
 
The swordfish
The swordfishThe swordfish
The swordfish
 
Fran 4ºb the excretory system
Fran 4ºb the excretory systemFran 4ºb the excretory system
Fran 4ºb the excretory system
 
By elena and maria teresa
By elena and maria teresaBy elena and maria teresa
By elena and maria teresa
 
4410691 d 11d9-47f6-9620-db62c6663b70
4410691 d 11d9-47f6-9620-db62c6663b704410691 d 11d9-47f6-9620-db62c6663b70
4410691 d 11d9-47f6-9620-db62c6663b70
 

Recently uploaded

IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...AustraliaChapterIIBA
 
AMAZON SELLER VIRTUAL ASSISTANT PRODUCT RESEARCH .pdf
AMAZON SELLER VIRTUAL ASSISTANT PRODUCT RESEARCH .pdfAMAZON SELLER VIRTUAL ASSISTANT PRODUCT RESEARCH .pdf
AMAZON SELLER VIRTUAL ASSISTANT PRODUCT RESEARCH .pdfJohnCarloValencia4
 
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...Brian Solis
 
Graham and Doddsville - Issue 1 - Winter 2006 (1).pdf
Graham and Doddsville - Issue 1 - Winter 2006 (1).pdfGraham and Doddsville - Issue 1 - Winter 2006 (1).pdf
Graham and Doddsville - Issue 1 - Winter 2006 (1).pdfAnhNguyen97152
 
To Create Your Own Wig Online To Create Your Own Wig Online
To Create Your Own Wig Online  To Create Your Own Wig OnlineTo Create Your Own Wig Online  To Create Your Own Wig Online
To Create Your Own Wig Online To Create Your Own Wig Onlinelng ths
 
Project Brief & Information Architecture Report
Project Brief & Information Architecture ReportProject Brief & Information Architecture Report
Project Brief & Information Architecture Reportamberjiles31
 
Borderless Access - Global Panel book-unlock 2024
Borderless Access - Global Panel book-unlock 2024Borderless Access - Global Panel book-unlock 2024
Borderless Access - Global Panel book-unlock 2024Borderless Access
 
The Vietnam Believer Newsletter_MARCH 25, 2024_EN_Vol. 003
The Vietnam Believer Newsletter_MARCH 25, 2024_EN_Vol. 003The Vietnam Believer Newsletter_MARCH 25, 2024_EN_Vol. 003
The Vietnam Believer Newsletter_MARCH 25, 2024_EN_Vol. 003believeminhh
 
Team B Mind Map for Organizational Chg..
Team B Mind Map for Organizational Chg..Team B Mind Map for Organizational Chg..
Team B Mind Map for Organizational Chg..dlewis191
 
Entrepreneurship & organisations: influences and organizations
Entrepreneurship & organisations: influences and organizationsEntrepreneurship & organisations: influences and organizations
Entrepreneurship & organisations: influences and organizationsP&CO
 
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdfChicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdfSourav Sikder
 
Upgrade Your Banking Experience with Advanced Core Banking Applications
Upgrade Your Banking Experience with Advanced Core Banking ApplicationsUpgrade Your Banking Experience with Advanced Core Banking Applications
Upgrade Your Banking Experience with Advanced Core Banking ApplicationsIntellect Design Arena Ltd
 
Lecture_6.pptx English speaking easyb to
Lecture_6.pptx English speaking easyb toLecture_6.pptx English speaking easyb to
Lecture_6.pptx English speaking easyb toumarfarooquejamali32
 
Harvard Business Review.pptx | Navigating Labor Unrest (March-April 2024)
Harvard Business Review.pptx | Navigating Labor Unrest (March-April 2024)Harvard Business Review.pptx | Navigating Labor Unrest (March-April 2024)
Harvard Business Review.pptx | Navigating Labor Unrest (March-April 2024)tazeenaila12
 
Boat Trailers Market PPT: Growth, Outlook, Demand, Keyplayer Analysis and Opp...
Boat Trailers Market PPT: Growth, Outlook, Demand, Keyplayer Analysis and Opp...Boat Trailers Market PPT: Growth, Outlook, Demand, Keyplayer Analysis and Opp...
Boat Trailers Market PPT: Growth, Outlook, Demand, Keyplayer Analysis and Opp...IMARC Group
 
Cracking the ‘Business Process Outsourcing’ Code Main.pptx
Cracking the ‘Business Process Outsourcing’ Code Main.pptxCracking the ‘Business Process Outsourcing’ Code Main.pptx
Cracking the ‘Business Process Outsourcing’ Code Main.pptxWorkforce Group
 
Ethical stalking by Mark Williams. UpliftLive 2024
Ethical stalking by Mark Williams. UpliftLive 2024Ethical stalking by Mark Williams. UpliftLive 2024
Ethical stalking by Mark Williams. UpliftLive 2024Winbusinessin
 
Mihir Menda - Member of Supervisory Board at RMZ
Mihir Menda - Member of Supervisory Board at RMZMihir Menda - Member of Supervisory Board at RMZ
Mihir Menda - Member of Supervisory Board at RMZKanakChauhan5
 
HELENE HECKROTTE'S PROFESSIONAL PORTFOLIO.pptx
HELENE HECKROTTE'S PROFESSIONAL PORTFOLIO.pptxHELENE HECKROTTE'S PROFESSIONAL PORTFOLIO.pptx
HELENE HECKROTTE'S PROFESSIONAL PORTFOLIO.pptxHelene Heckrotte
 

Recently uploaded (20)

IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
 
AMAZON SELLER VIRTUAL ASSISTANT PRODUCT RESEARCH .pdf
AMAZON SELLER VIRTUAL ASSISTANT PRODUCT RESEARCH .pdfAMAZON SELLER VIRTUAL ASSISTANT PRODUCT RESEARCH .pdf
AMAZON SELLER VIRTUAL ASSISTANT PRODUCT RESEARCH .pdf
 
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
 
Graham and Doddsville - Issue 1 - Winter 2006 (1).pdf
Graham and Doddsville - Issue 1 - Winter 2006 (1).pdfGraham and Doddsville - Issue 1 - Winter 2006 (1).pdf
Graham and Doddsville - Issue 1 - Winter 2006 (1).pdf
 
To Create Your Own Wig Online To Create Your Own Wig Online
To Create Your Own Wig Online  To Create Your Own Wig OnlineTo Create Your Own Wig Online  To Create Your Own Wig Online
To Create Your Own Wig Online To Create Your Own Wig Online
 
Project Brief & Information Architecture Report
Project Brief & Information Architecture ReportProject Brief & Information Architecture Report
Project Brief & Information Architecture Report
 
Borderless Access - Global Panel book-unlock 2024
Borderless Access - Global Panel book-unlock 2024Borderless Access - Global Panel book-unlock 2024
Borderless Access - Global Panel book-unlock 2024
 
The Vietnam Believer Newsletter_MARCH 25, 2024_EN_Vol. 003
The Vietnam Believer Newsletter_MARCH 25, 2024_EN_Vol. 003The Vietnam Believer Newsletter_MARCH 25, 2024_EN_Vol. 003
The Vietnam Believer Newsletter_MARCH 25, 2024_EN_Vol. 003
 
Team B Mind Map for Organizational Chg..
Team B Mind Map for Organizational Chg..Team B Mind Map for Organizational Chg..
Team B Mind Map for Organizational Chg..
 
Entrepreneurship & organisations: influences and organizations
Entrepreneurship & organisations: influences and organizationsEntrepreneurship & organisations: influences and organizations
Entrepreneurship & organisations: influences and organizations
 
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdfChicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
 
Upgrade Your Banking Experience with Advanced Core Banking Applications
Upgrade Your Banking Experience with Advanced Core Banking ApplicationsUpgrade Your Banking Experience with Advanced Core Banking Applications
Upgrade Your Banking Experience with Advanced Core Banking Applications
 
Lecture_6.pptx English speaking easyb to
Lecture_6.pptx English speaking easyb toLecture_6.pptx English speaking easyb to
Lecture_6.pptx English speaking easyb to
 
Harvard Business Review.pptx | Navigating Labor Unrest (March-April 2024)
Harvard Business Review.pptx | Navigating Labor Unrest (March-April 2024)Harvard Business Review.pptx | Navigating Labor Unrest (March-April 2024)
Harvard Business Review.pptx | Navigating Labor Unrest (March-April 2024)
 
Boat Trailers Market PPT: Growth, Outlook, Demand, Keyplayer Analysis and Opp...
Boat Trailers Market PPT: Growth, Outlook, Demand, Keyplayer Analysis and Opp...Boat Trailers Market PPT: Growth, Outlook, Demand, Keyplayer Analysis and Opp...
Boat Trailers Market PPT: Growth, Outlook, Demand, Keyplayer Analysis and Opp...
 
Cracking the ‘Business Process Outsourcing’ Code Main.pptx
Cracking the ‘Business Process Outsourcing’ Code Main.pptxCracking the ‘Business Process Outsourcing’ Code Main.pptx
Cracking the ‘Business Process Outsourcing’ Code Main.pptx
 
Ethical stalking by Mark Williams. UpliftLive 2024
Ethical stalking by Mark Williams. UpliftLive 2024Ethical stalking by Mark Williams. UpliftLive 2024
Ethical stalking by Mark Williams. UpliftLive 2024
 
Mihir Menda - Member of Supervisory Board at RMZ
Mihir Menda - Member of Supervisory Board at RMZMihir Menda - Member of Supervisory Board at RMZ
Mihir Menda - Member of Supervisory Board at RMZ
 
HELENE HECKROTTE'S PROFESSIONAL PORTFOLIO.pptx
HELENE HECKROTTE'S PROFESSIONAL PORTFOLIO.pptxHELENE HECKROTTE'S PROFESSIONAL PORTFOLIO.pptx
HELENE HECKROTTE'S PROFESSIONAL PORTFOLIO.pptx
 
WAM Corporate Presentation Mar 25 2024.pdf
WAM Corporate Presentation Mar 25 2024.pdfWAM Corporate Presentation Mar 25 2024.pdf
WAM Corporate Presentation Mar 25 2024.pdf
 

Lasers

  • 1. A laser is a device that emits colour light
  • 2. • The word laser started as an acronym for light amplification by stimulated emission of radiation. • There are some types of lasers: infrared lasers, ultraviolet laser, X-ray laser and more that we doesn’t know. • A laser which produces light by itself is technically an optical oscillator rather than an optical amplifier as suggested by the acronym.
  • 3. A LASER IS CONSTRUCTED FROM THREE PRINCIPAL PARTS • An energy source • A laser medium • Two or more mirrors that form an optical resonator
  • 4. LASER CONSTRUCTION • A laser consists of a gain medium inside a highly reflective optical cavity, as well as a means to supply energy to the gain medium. The gain medium is a material with properties that allow it to amplify light by stimulated emission. In its simplest form, a cavity consists of two mirrors arranged such that light bounces back and forth, each time passing through the gain medium. Typically one of the two mirrors, the output coupler , is partially transparent. The output laser beam is emitted through this mirror. • Light of a specific wavelength that passes through the gain medium is amplified (increases in power); the surrounding mirrors ensure that most of the light makes many passes through the gain medium, being amplified repeatedly. Part of the light that is between the mirrors (that is, within the cavity) passes through the partially transparent mirror and escapes as a beam of light. • The process of supplying the energy required for the amplification is called pumping. The energy is typically supplied as an electrical current or as light at a different wavelength. Such light may be provided by a flash lamp or perhaps another laser. Most practical lasers contain additional elements that affect properties such as the wavelength of the emitted light and the shape of the beam.
  • 5. USES OF LASER • When lasers were invented in 1960, they were called "a solution looking for a problem". • Since then, they have become ubiquitous, finding utility in thousands of highly varied applications in every section of modern society, including: • consumer electronics, information technology, science, medicine, industry, law enforcement, entertainment, and the military.
  • 6. TYPES OF LASERS • GAS LASERS • EXCIMER LASERS • CHEMICAL LASERS • SOLID STATE LASERS • FIBER LASERS • PHOTONIC CRYSTAL LASERS • SEMICONDUCTOR LASERS • DYE LASERS • FREE ELECTRON LASERS • BIO LASER