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Sistimi ea liteko ea LPT-2 bakeng sa Phello ea Acousto-Optic

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Tlhaloso

Acousto-optic effect experiment ke moloko o mocha oa liteko tsa 'mele Likholetjheng le liunivesithing, e sebelisetsoa ho ithuta tšebetso ea tšimo ea motlakase le tšebelisano ea tšimo e bobebe litekong tsa mantlha tsa fisiks le liteko tse amanang le tsona, hape e sebetsa ho patlisiso ea liteko ea optical. puisano le ts'ebetso ea tlhaiso-leseling. E ka bonts'oa ka pono ke oscilloscope ea dijithale habeli (O ka ikhethela).

Ha maqhubu a ultrasound a tsamaea ka seaplane, maqhubu a ka tlasa khatello ea elastic ka liphetoho tsa nako le nako le nako, a baka phetoho e ts'oanang ea nako le nako ho index ea refractive ea mahareng. Ka lebaka leo, ha lehlaseli la leseli le feta ka seiponeng ho le teng maqhubu a ultrasound a mahareng, le arohanngoa ke seaplane se sebetsang e le grating ea mohato. Ena ke khopolo ea mantlha ea phello ea acousto-optic.

Acousto-optic effect e arotsoe ka phello e tloaelehileng ea acousto-optic le phello e sa tloaelehang ea acousto-optic. Ka mokhoa oa isotropic, sefofane sa karohanyo ea leseli la ketsahalo ha se fetoloe ke tšebelisano ea acousto-optic (e bitsoang phello e tloaelehileng ea acousto-optic); ka sekhahla sa anisotropic, sefofane sa karohanyo ea leseli la ketsahalo se fetoloa ke tšebelisano ea acousto-optic (e bitsoang anomalous acousto-optic effect). Anomalous acousto-optic effect e fana ka motheo oa bohlokoa bakeng sa ho qaptjoa ha li-acousto-optic deflectors le li-filters tsa acousto-optic tse khonehang. Ho fapana le phello e tloaelehileng ea li-acousto-optic, phello e sa tloaelehang ea li-acousto-optic e ke ke ea hlalosoa ke Raman-Nath diffraction. Leha ho le joalo, ka ho sebelisa likhopolo tsa lipuisano tse kang ho ts'oana ha matla le ho se tsamaisane hantle le li-optics tse sa sebetseng, ho ka theoa khopolo e kopaneng ea tšebelisano ea acousto-optic ho hlalosa litlamorao tse tloaelehileng le tse sa khahliseng tsa acousto-optic. Liteko tsa sistimi ena li koahela phello e tloaelehileng ea li-acousto-optic mecheng ea litaba ea isotropic.

 

Hlahloba Mehlala 

1. Boloka sekhahla sa Bragg 'me u lekanye phokotseho ea Bragg

2. Hlahisa acousto-optic modulation waveform

3. Shebella acousto-optic deflection ketsahalo

4. Lekanya bokhoni ba ho khetholla li-acousto-optic le bandwidth

5. Lekanya lebelo la ho tsamaea la maqhubu a ultrasound ka seaplane

6. Etsisa puisano ea Optical u sebelisa mokhoa oa acousto-optic modulation

 

Litlhaloso 

Tlhaloso

Litlhaloso

Phatlalatso ea He-Ne Laser <1.5mW@632.8nm
LiNbO3 Crystal Electrode: X surface gold plated electrode flatness <λ/8@633nmTransmittance range: 420-520nm
Polarizer Ho buloa hoa Optical Φ16mm / Wavelength range 400-700nmPolize degree 99.98% Transmissivity 30% (paraxQllel); 0.0045% (paatsepama)
Semilmo Photo ea selefouno
Lebokose la Matla Matla a tsoang ho sine wave modulation amplitude: 0-300V e tsoelang pele ho khonehaKhetho ea motlakase oa motlakase: 0-600V maqhubu a tsoelang pele a fetolehang: 1kHz
Seporo Optical 1m, Aluminium

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