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LPT-2 Experimental System ya Acousto-Optic Effect

Kufotokozera Kwachidule:

Kuyesa kwa Acousto-optic effect ndi m'badwo watsopano wa zida zoyesera zolimbitsa thupi m'makoleji ndi mayunivesite, zimagwiritsidwa ntchito pophunzira momwe magetsi amagwirira ntchito komanso kuyanjana kwapaintaneti pamayesero oyambira afiziki ndi zoyeserera zina zaukadaulo, komanso zimagwiranso ntchito pakufufuza koyeserera kwa optical. kuyankhulana ndi kuwala kwa chidziwitso.Itha kuwonetsedwa ndi digito yawiri oscilloscope (Mwasankha).

Pamene mafunde a ultrasound akuyenda mu sing'anga, sing'angayo imakhala ndi zovuta zotanuka ndi kusintha kwapang'onopang'ono mu nthawi ndi malo, zomwe zimapangitsa kuti nthawi ndi nthawi kusintha kwa refractive index of the medium.Chotsatira chake, pamene kuwala kwa kuwala kumadutsa pakati pa sing'anga pamaso pa mafunde a ultrasound mu sing'anga, kumasiyanitsidwa ndi sing'anga yomwe imakhala ngati gawo la grating.Ichi ndiye chiphunzitso choyambirira cha acousto-optic effect.

Acousto-optic effect imagawidwa muzowoneka bwino zamayimbidwe ndi mawonekedwe odabwitsa.Mu isotropic sing'anga, ndege ya polarization ya kuwala kwa chochitika sikusinthidwa ndi kuyanjana kwa acousto-optic (kutchedwa normal acousto-optic effect);mu anisotropic medium, ndege ya polarization ya kuwala kwa chochitika imasinthidwa ndi kuyanjana kwa acousto-optic (kutchedwa anomalous acousto-optic effect).Zodabwitsa za acousto-optic zimapatsa maziko ofunikira pakupangira zida zapamwamba za acousto-optic deflectors ndi zosefera za tunable acousto-optic.Mosiyana ndi momwe ma acousto-optic effect, mawonekedwe odabwitsa a acousto-optic sangathe kufotokozedwa ndi Raman-Nath diffraction.Komabe, pogwiritsa ntchito malingaliro olumikizana ndi parametric monga kufananitsa mayendedwe ndi kufananiza kwa mawonekedwe osagwirizana ndi mawonekedwe, lingaliro logwirizana la kuyanjana kwa ma acousto-optic lingakhazikitsidwe kuti lifotokoze zonse zomwe zimachitika bwino komanso zodabwitsa za acousto-optic.Zoyeserera mudongosolo lino zimangokhudza momwe ma acousto-optic amachitikira mu media za isotropic.


Tsatanetsatane wa Zamalonda

Zogulitsa Tags

Yesani Zitsanzo

1. Yang'anani kusinthasintha kwa Bragg ndikuyesa angle ya Bragg diffraction

2. Sonyezani mawonekedwe amtundu wa acousto-optic modulation

3. Yang'anani zochitika za acousto-optic kupatuka

4. Yezerani mphamvu ya acousto-optic diffraction ndi bandwidth

5. Yezerani kuthamanga kwa mafunde a ultrasound mu sing'anga

6. Yezerani kulumikizana kwa kuwala pogwiritsa ntchito njira yosinthira acousto-optic

 

Zofotokozera

Kufotokozera

Zofotokozera

He-Ne Laser Output <1.5mW@632.8nm
LinbO3Crystal Electrode: X pamwamba golide yokutidwa elekitirodi flatness <λ/8@633nmTransmittance osiyanasiyana: 420-520nm
Polarizer Kabowo ka kuwala Φ16mm / Wavelength osiyanasiyana 400-700nmPolarizing digiri 99.98%Transmissivity 30% (paraxQllel);0.0045% (yoyimirira)
Chodziwira Chithunzi cha PIN
Bokosi la Mphamvu Linanena bungwe sine wave kusinthasintha kusinthasintha matalikidwe: 0-300V mosalekeza tunableKutulutsa DC kukondera voteji: 0-600V mosalekeza chosinthika linanena bungwe pafupipafupi: 1kHz
Sitima ya Optical 1m, aluminiyamu

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