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Sistimi ea Teko ea LPT-2 bakeng sa Tšusumetso ea Acousto-Optic

Tlhaloso e Khutšoanyane:

Teko ea phello ea acousto-optic ke moloko o mocha oa sesebelisoa sa liteko tsa 'mele Likholetjheng le liunivesithing, se sebelisetsoa ho ithuta ts'ebetso ea 'mele ea tšebelisano ea tšimo ea motlakase le ea leseli litekong tsa fisiks tsa motheo le liteko tse amanang le tsona tsa profeshenale, 'me se boetse se sebetsa lipatlisisong tsa liteko tsa puisano ea mahlo le ts'ebetso ea tlhahisoleseling ea mahlo. E ka bontšoa ka pono ka oscilloscope e habeli ea dijithale (Khetho).

Ha maqhubu a ultrasound a tsamaea ka har'a seaplane, seaplane se tlas'a khatello ea elastic e nang le liphetoho tse sa khaotseng nakong le sebakeng, e leng se bakang phetoho e tšoanang ea nako le nako ho index ea refractive ea seaplane. Ka lebaka leo, ha mahlaseli a khanya a feta ka har'a seaplane moo maqhubu a ultrasound a leng teng, a faposoa ke seaplane se sebetsang e le phase grating. Ena ke khopolo-taba ea motheo ea phello ea acousto-optic.

Phello ea acousto-optic e arotsoe ka phello e tloaelehileng ea acousto-optic le phello e sa tloaelehang ea acousto-optic. Mofuteng oa isotropic, sebaka sa polarization ea leseli la ketsahalo ha se fetoloe ke tšebelisano ea acousto-optic (e bitsoang phello e tloaelehileng ea acousto-optic); mofuteng oa anisotropic, sebaka sa polarization ea leseli la ketsahalo se fetoloa ke tšebelisano ea acousto-optic (e bitsoang phello e sa tloaelehang ea acousto-optic). Phello e sa tloaelehang ea acousto-optic e fana ka motheo oa bohlokoa bakeng sa tlhahiso ea li-deflector tse tsoetseng pele tsa acousto-optic le li-filter tsa acousto-optic tse ka fetoloang. Ho fapana le phello e tloaelehileng ea acousto-optic, phello e sa tloaelehang ea acousto-optic e ke ke ea hlalosoa ke diffraction ea Raman-Nath. Leha ho le joalo, ka ho sebelisa likhopolo tsa tšebelisano ea parametric tse kang ho bapisa momentum le ho se lumellane ho li-optics tse seng tsa linear, khopolo-taba e kopaneng ea tšebelisano ea acousto-optic e ka thehoa ho hlalosa liphello tse tloaelehileng le tse sa tloaelehang tsa acousto-optic. Liteko tse tsamaisong ena li akaretsa feela phello e tloaelehileng ea acousto-optic mecheng ea litaba ea isotropic.


Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

Mehlala ea Liteko

1. Sheba Bragg diffraction 'me u lekanye Bragg diffraction angle

2. Pontšo ea maqhubu a modulation ea acousto-optic

3. Hlokomela ketsahalo ea ho fapoha ha acousto-optic

4. Lekanya bokgoni ba acousto-optic diffraction le bandwidth

5. Lekanya lebelo la ho tsamaea ha maqhubu a ultrasound ka mokhoa o mahareng

6. Etsisa puisano ea mahlo u sebelisa mokhoa oa ho fetola molumo oa acousto-optic

 

Litlhaloso

Tlhaloso

Litlhaloso

Tlhahiso ea Laser ea He-Ne <1.5mW@632.8nm
LiNbO3Kristale Electrode: Elektrode e koahetsoeng ka khauta e ka holimo ho X e bataletse <λ/8@633nmBoemo ba phetisetso: 420-520nm
Polarizer Lesoba la optical Φ16mm /Bophara ba Wavelength 400-700nmDikgato tsa ho polarizing 99.98%Phetiso 30% (paraxQllel); 0.0045% (e otlolohileng)
Sesupa-tsela Selefouno ea PIN
Lebokose la Matla Phapang ea modulation ea sine wave ea tlhahiso: 0-300V e tsoelang pele e ka fetoloang Motlakase oa DC oa khethollo: 0-600V maqhubu a tlhahiso a fetoloang a tsoelang pele: 1kHz
Terene ea Optical 1m, Aluminium

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