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Yintoni i-laser ye-cryogenic
Yintoni "i-laser ye-cryogenic"? Enyanisweni, yi-laser efuna ukusebenza ngobushushu obuphantsi kwindawo yokuzuza. Ingcamango ye-laser esebenza ngamaqondo obushushu aphantsi ayintsha: i-laser yesibini kwimbali yayiyi-cryogenic. Ekuqaleni, le ngcamango yayinzima ukufezekisa ukusebenza kobushushu begumbi, kwaye ...Funda ngokugqithisileyo -
Ukusebenza kakuhle kwe-quantum ye-photodetector kuphelisa umda wethiyori
Ngokutsho kwenethiwekhi yemibutho yefiziksi kutshanje ibike ukuba abaphandi baseFinland benze isixhobo sokubona ifoto sesilicon esimnyama esinokusebenza kwe-quantum yangaphandle kwe-130%, eli lixesha lokuqala ukuba ukusebenza kwezixhobo ze-photovoltaic kudlule umda wethiyori we-100%, nto leyo...Funda ngokugqithisileyo -
Iziphumo zophando zamva nje ze-organic photodetectors
Abaphandi baphuhlise kwaye babonise ukukhanya okutsha okuluhlaza okufunxa ii-photodetectors ezibonakalayo zendalo ezibuthathaka kakhulu kwaye ezihambelana neendlela zokwenza i-CMOS. Ukufaka ezi photodetectors zintsha kwiisensa zemifanekiso ye-silicone hybrid kunokuba luncedo kwiizicelo ezininzi. Ezi...Funda ngokugqithisileyo -
Uphuhliso lwe-infrared sensor lulungile
Nayiphi na into enobushushu obungaphezulu kwe-absolute zero ikhupha amandla esibhakabhakeni ngendlela yokukhanya kwe-infrared. Itekhnoloji yokuva esebenzisa imitha ye-infrared ukulinganisa ubungakanani obufanelekileyo bomzimba ibizwa ngokuba yitekhnoloji yokuva ye-infrared. Itekhnoloji yesivamvo se-infrared yenye yezona zinto zikhawulezayo...Funda ngokugqithisileyo -
Umgaqo weLaser kunye nokusetyenziswa kwawo
I-laser ibhekisa kwinkqubo kunye nesixhobo sokuvelisa imisebe yokukhanya edibeneyo, enombala omnye, ngokusebenzisa i-radiation amplification ekhuthazwayo kunye nempendulo efunekayo. Ngokusisiseko, ukuveliswa kwe-laser kufuna izinto ezintathu: "i-resonator," "i-gain medium," kunye "ne-pu...Funda ngokugqithisileyo -
Yintoni i-integrated optics?
Ingcamango ye-integrated optics yavezwa nguGqr. Miller weBell Laboratories ngo-1969. I-integrated optics sisifundo esitsha esifunda kwaye siphuhlise izixhobo ze-optical kunye neenkqubo ze-hybrid optical device device esebenzisa iindlela ezidibeneyo ngokusekelwe kwi-optoelectronics kunye ne-microelectronics.Funda ngokugqithisileyo -
Umgaqo wokupholisa nge-laser kunye nokusetyenziswa kwayo kwiiathom ezibandayo
Umgaqo wokupholisa nge-laser kunye nokusetyenziswa kwayo kwiiathom ezibandayo Kwifiziksi yeeathom ezibandayo, umsebenzi omninzi wovavanyo ufuna ukulawula amasuntswana (ukuvala iiathom ze-ionic, ezifana neewotshi zeathom), ukuzicothisa, kunye nokuphucula ukuchaneka kokulinganisa. Ngophuhliso lwetekhnoloji ye-laser, i-laser coo...Funda ngokugqithisileyo -
Intshayelelo kwi-photodetectors
I-photodetector sisixhobo esiguqula imiqondiso yokukhanya ibe yimiqondiso yombane. Kwi-photodetector ye-semiconductor, i-carrier eyenziwe yifoto evuselelwe yi-incident photon ingena kwisekethe yangaphandle phantsi kwe-applied bias voltage kwaye yenze i-photocurrent enokulinganiswa. Nokuba kwiimpendulo eziphezulu...Funda ngokugqithisileyo -
Yintoni i-laser ekhawulezayo kakhulu
A. Ingcamango yee-laser ezikhawulezayo Ii-laser ezikhawulezayo zihlala zibhekisa kwii-laser ezivaliweyo kwimode ezisetyenziselwa ukukhupha ii-pulses ezimfutshane kakhulu, umzekelo, ii-pulses ze-femtosecond okanye ubude be-picosecond. Igama elichanekileyo lingaba yi-ultrashort pulse laser. Ii-Ultrashort pulse lasers ziphantse zibe zii-laser ezivaliweyo kwimode, kodwa ...Funda ngokugqithisileyo -
Ingcamango kunye nokuhlelwa kwee-nanolaser
I-Nanolaser luhlobo lwesixhobo esincinci nesincinci esenziwe ngezinto ezincinci ezifana ne-nanowire njenge-resonator kwaye inokukhupha i-laser phantsi kwe-photoexcitation okanye i-electrical excitation. Ubungakanani bale laser budla ngokuba ngamakhulu ee-microns okanye amashumi ee-microns, kwaye ububanzi bufikelela kwi-nanometer ...Funda ngokugqithisileyo -
I-spectroscopy yokuqhekeka okubangelwa yi-laser
I-Laser-Induced Breakdown Spectroscopy (LIBS), ekwaziwa ngokuba yi-Laser-Induced Plasma Spectroscopy (LIPS), yindlela yokufumanisa ngokukhawuleza i-spectral. Ngokujolisa i-laser pulse enobunzima obuphezulu kumphezulu wethagethi yesampulu evavanyiweyo, i-plasma iveliswa yi-ablation excitation, kwaye ...Funda ngokugqithisileyo -
Yintoni i-spatial light modulator?
Imodulator yokukhanya kwendawo ithetha ukuba phantsi kolawulo olusebenzayo, inokuguqula ezinye iiparameter zentsimi yokukhanya ngokusebenzisa iimolekyuli zekristale yolwelo, ezinje ngokuguqula ubukhulu bentsimi yokukhanya, ukuguqula isigaba ngesalathisi sokuchasana, ukuguqula imeko ye-polarization ngokujikeleza kwe ...Funda ngokugqithisileyo
