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Uppfinningen av lasern, som uppfann laser?

Lasern används numera i många områden, från hälsa till teknik, från militär till underhållning till liv. Den första fungerande optisk lasern gjordes av Theodore Maiman 1960, men historien om laserns upptäckten började med Albert Einstein i början av 1900 åren.

 

Lasern är en förkortning som används för engelska (ljus förstärkning genom stimulerad emission av strålning). I grund och botten utgår laser ljus fotoner bildas av elektron övergångar mellan atom- eller molekylära energinivåer. Det är en enhet som producerar ljus genom evoked utsläpp. 1917 föreslog Albert Einstein en bakåt-stimulerad emission teori.

 

Maser-konceptet

1958, Charles Townes och Arthur Schawlow maser (kort för mikrovågsugn förstärkning genom stimulerad emission av strålning) utvecklade jag. Maser upprätthåller enmycket viktig plats i utvecklingen av laser. Maser användes för att stärka radiosignaler i utforskning av rymden.

 

Första Laser

Två år efter masers upptäckt, skapade Theodore Maiman den första lasern 1960. Gordon Gould var dock den förste att använda ordet laser 1957.

 

1957 den uppfanns av Gordon Gould för optisk laser, men det var inte ett mycket lyckat projekt att få patent. Gordon Gould fick patent på lasern han uppfann 1977. Därför är laser demonstrationen av Theodore Maiman betraktas som den första framgångsrika lasern.

 

Han uppfann Ali Javan Gasa laser 1960. Detta är den första användningen av elektrisk energi förändring i laser historia. I 1962 följde han upptäckten av Halvledarlaser avRobert Hall. Två år senare, uppfinningen av Kumar Patel, Koldioxidlaser och Hal Walker telemetri har anlänt.

 

Ögonbehandling med Laser

Dr. Steven Trokel uppfann en excimer laser enheten på 1970-talet. Men regisserades utvecklingen av denna enhet med användning av ögonbehandlingar med datorn av Dr. Steven Trokel's team 1982. I 1987 utfördes den första laser ögonoperation. Sedan dess blivit laserbehandling ögat en vanlig behandling.

 

Laser torn och applikationer

Sedan 1960-talet, har lasern utvecklats med ständiga förbättringar studier, uppfinningar och program. Användningen av laser börjar med ögonbehandling är nu utbredd inom andra sektorer också. Det används i alla praktiska elektroniska apparater. Det används i många tillämpningar och vetenskaplig forskning i vårdinrättningar.

 

Lasrar används också för att göra ljusshower i konserter eller klubbar. Laserutskrift blev ganska vanligt. spektroskopi, Elektro-optisk åtgärder och lokalt också använder laserteknik. Inom tandvården nytta kirurgiska ingrepp, svetsning och missile defensesystem av denna teknik.

 

Sedan uppfinningen av laser enheten, forskare har undrat där det kan användas ochhar gjort en hel del forskning. Görs med denna forskning, utveckling och uppfinningar, har lasern blivit en ovärderlig del av det moderna samhället.

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