LPT-2 Yekuedza System yeAcousto-Optic Effect Inoratidzwa Mufananidzo

LPT-2 Yekuedza System yeAcousto-Optic Mhedzisiro

Tsanangudzo Pfupi:

Acousto-optic effect kuyedza chizvarwa chitsva chekuedza kwemuviri chiridzwa mumakoreji nemayunivhesiti, chinoshandiswa kudzidza maitiro emagetsi emunda wemagetsi uye kupindirana kwemunda wechiedza muzvidzidzo zvefizikisi uye zvinoenderana nehunyanzvi kuyedza, uye inoshandawo kuongororo yekuyedza yemaziso. kutaurirana uye optical information processing.Inogona kuratidzwa nemaziso nedhijitari kaviri oscilloscope (Optional).

Kana masaisai e ultrasound achifamba ari pakati nepakati, iyo yepakati inoenderana ne elastic strain ne periodic shanduko mune zvese nguva nenzvimbo, zvichikonzera shanduko yakafanana yenguva mune refractive index yepakati.Nekuda kweizvozvo, kana mwaranzi wechiedza uchipfuura nepakati muhupo hwemasaisai e ultrasound mukati mepakati, inoparadzaniswa nepakati ichiita sechikamu che grating.Iyi ndiyo dzidziso yekutanga yeacousto-optic athari.

Acousto-optic mhedzisiro inokamurwa kuita yakajairwa acousto-optic maitiro uye anomalous acousto-optic maitiro.Mune isotropic medium, ndege yepolarization yechiitiko chiedza haishandurwi neacousto-optic interaction (inonzi yakajairika acousto-optic effect);mune anisotropic medium, ndege yepolarization yechiitiko chiedza inoshandurwa neacousto-optic interaction (inonzi anomalous acousto-optic effect).Anomalous acousto-optic mhedzisiro inopa hwaro hwakakosha hwekugadzira yepamusoro acousto-optic deflectors uye tunable acousto-optic mafirita.Kusiyana neyakajairwa acousto-optic maitiro, anomalous acousto-optic mhedzisiro haigone kutsanangurwa neRaman-Nath diffraction.Nekudaro, nekushandisa parametric yekudyidzana pfungwa senge kukurumidza kufananidzwa uye kukanganisa mune isina mutsara optics, yakabatana dzidziso yeacousto-optic kupindirana inogona kusimbiswa kutsanangura zvese zvakajairwa uye zvisingaite acousto-optic mhedzisiro.Iwo maedzo ari mune ino system anongovhara zvakajairika acousto-optic maitiro mune isotropic media.

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Edzai Mienzaniso

1. Tarisa Bragg diffraction uye kuyera Bragg diffraction angle

2. Ratidza acousto-optic modulation waveform

3. Tarisa acousto-optic deflection phenomenon

4. Kuyera acousto-optic diffraction kunyatsoshanda uye bandwidth

5. Edza kufamba kwemafungu eultrasound mune imwe svikiro

6. Tevedzera kutaurirana kwemaziso uchishandisa acousto-optic modulation technique

Zvinotsanangurwa

Tsanangudzo	Zvinotsanangurwa
He-Ne Laser Output	<1.5mW@632.8nm
LiNbO₃Crystal	Electrode: X pamusoro pegoridhe rakapetwa electrode flatness <λ/8@633nmTransmittance range: 420-520nm
Polarizer	Optical aperture Φ16mm / Wavelength range 400-700nmPolarizing degree 99.98%Transmissivity 30% (paraxQllel);0.0045% (yakatwasuka)
Detector	PIN photocell
Power Bhokisi	Output sine wave modulation amplitude: 0-300V inopfuurira tunableOutput DC bias voltage: 0-600V inoenderera inogadziriswa inobuda frequency: 1kHz
Optical Rail	1m, Aluminium