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De uitvinding van de laser, die de uitvinder van de laser?
De laser wordt tegenwoordig gebruikt in vele gebieden, van gezondheid technologie van militaire tot entertainment tot leven. De eerste werkende optische laser werdgemaakt door Theodore Maiman in 1960, maar de geschiedenis van de ontdekkingvan de Laser's begonnen met Albert Einstein aan het begin van de jaren 1900.
De laser is een afkorting gebruikt voor Engels (Light amplification door gestimuleerde emissie van straling). In principe, de laser is gebaseerd op licht fotonen, gevormddoor elektron overgangen tussen de atoom- of moleculaire energieniveaus. Het is een apparaat dat licht door evoked emissies produceert. In 1917 stelde Albert Einstein een neerwaarts-gestimuleerd emissie-theorie.
Maser concept
In 1958 werd Charles Townes en Arthur Schawlow maser (afkorting voor magnetronamplification door gestimuleerde emissie van straling) die ik ontwikkeld. Maser onderhoudt een zeer belangrijke plaats in de ontwikkeling van laser. Maser werd gebruikt voor de versterking van de radiosignalen in de verkenning van de ruimte.
Eerste Laser
Twee jaar na de ontdekking van Maser, creëerde Theodore Maiman de eerste laser in 1960. Gordon Gould was echter de eerste persoon om te gebruiken het woord laser in 1957.
In 1957 het werd uitgevonden door Gordon Gould voor de optische laser, maar hetwas niet een zeer succesvol project voor het verkrijgen van octrooien. Gordon Gould ontving een patent voor de laser die hij in 1977 uitgevonden. Dus, de laser-demonstratie van Theodore Maiman wordt beschouwd als de eerste succesvolle laser.
In 1960 vond hij Ali Javan gas laser. Dit is het eerste gebruik van elektrische energieverandering in de geschiedenis van de laser. In 1962 volgde hij de ontdekking van de halfgeleider-laser door Robert Hall. Twee jaar later, de uitvinding van Kumar Patel,CO2-laser en Hal Walker telemetrie is aangekomen.
Oog behandeling met Laser
Een excimer laser apparaat Dr. Steven Trokel uitgevonden in de jaren 1970. Echter, de ontwikkeling van dit apparaat met het gebruik van oog behandelingen met de computer werd geregisseerd door Dr. Steven Trokel van team in 1982. In 1987, werd de eerste ooglaseren uitgevoerd. Sindsdien is de laserbehandeling ogen uitgegroeidtot een gewone behandeling.
Laser torens en toepassingen
Sinds de jaren 1960, de laser uitgegroeid met continue verbetering studies, uitvindingen en toepassingen. Het gebruik van laser beginnen met oog behandeling heerstnu in andere sectoren ook. Het wordt gebruikt in alle praktische elektronische apparaten. Het wordt gebruikt in veel toepassingen en wetenschappelijk onderzoek in de medische voorzieningen.
Lasers worden ook gebruikt om lichtshows in concerten of clubs. Laserafdrukken werd heel gebruikelijk. spectroscopie, electro-optic maatregelen, en microdissection ook gebruik van lasertechnologie. In de tandheelkunde profiteren chirurgische ingrepen, lassen en missile defense-systemen van deze technologie.
Sinds de uitvinding van de laser-apparaat, wetenschappers hebben afgevraagd waar het kan worden gebruikt en heeft veel onderzoek gedaan. Gemaakt met dit onderzoek, ontwikkeling en uitvindingen, de laser is uitgegroeid tot een onmisbaar onderdeel van de moderne samenleving.
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việt
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