Fa'afeiloa'i i la matou upega tafa'ilagi!
vaega02_bg(1)
ulu(1)

LPT-2 Faiga Fa'ata'ita'iga mo Acousto-Optic Effect

Fa'amatalaga Puupuu:

Acousto-optic aafiaga faʻataʻitaʻiga o se augatupulaga fou o meafaifaʻaili faʻataʻitaʻiga faʻaletino i Kolisi ma iunivesite, e faʻaaogaina e suʻesuʻe ai le faʻagasologa faʻaletino o le eletise eletise ma fesoʻotaʻiga malamalama fanua i faʻataʻitaʻiga faʻapitoa o le fisiki ma suʻesuʻega faʻapolofesa e fesoʻotaʻi, ma faʻaoga foi i suʻesuʻega faʻataʻitaʻiga o fesoʻotaʻiga faʻapitoa ma faʻamatalaga faʻamatalaga. E mafai ona fa'aali va'aia ile numera lua oscilloscope (filifiliga).

Pe a fealua'i galu ultrasound i totonu o se ala, o le alalaupapa e a'afia i le elastic strain ma suiga fa'avaitaimi i taimi uma ma avanoa, ma mafua ai se suiga fa'avaitaimi tutusa i le fa'asino igoa o le alalaupapa. O se taunuuga, pe a ui atu se ave o le malamalama i totonu o se ala i le i ai o galu o le ultrasound i totonu o le alalaupapa, e faʻaseseina e le ala o loʻo galue o se vaega faʻapipiʻi. Ole a'oa'oga fa'avae lea ole acousto-optic effect.

Acousto-optic aafiaga ua faavasegaina i aafiaga acousto-optic masani ma anomalous acousto-optic aafiaga. I totonu o se mea faʻapitoa, o le vaalele o le polarization o le malamalama faʻalavelave e le suia e le acousto-optic fegalegaleaiga (taʻua masani acousto-optic aafiaga); i totonu o se ala o le anisotropic, o le vaalele o le polarization o le malamalama na tupu e suia e le acousto-optic fegalegaleaiga (taʻua anomalous acousto-optic aafiaga). Aafiaga acousto-optic anomalous e maua ai le faavae autu mo le fauina o faʻataʻitaʻiga acousto-optic deflectors ma tunable acousto-optic filiga. E le pei o le masani acousto-optic aafiaga, anomalous acousto-optic aafiaga e le mafai ona faamatalaina e Raman-Nath diffraction. Ae ui i lea, e ala i le faʻaogaina o manatu faʻatatau o fesoʻotaʻiga e pei o le faʻafetauiina o le malosi ma le le fetaui i mea e le laina laina, e mafai ona faʻavaeina se talitonuga faʻatasi o fesoʻotaʻiga acousto-optic e faʻamatala uma ai aʻafiaga acousto-optic masani ma anomalous. O fa'ata'ita'iga i totonu o lenei faiga e na'o le fa'aogaina masani acousto-optic i fa'asalalauga isotropic.


Fa'amatalaga Oloa

Faailoga o oloa

Fa'ata'ita'iga Fa'ata'ita'i

1. Mata'ituina le eseesega o Bragg ma fua le tulimanu o le eseesega o Bragg

2. Fa'aali acousto-optic modulation waveform

3. Mata'ituina le fa'alavelave fa'afuase'i o le acousto-optic

4. Fua le acousto-optic diffraction lelei ma le bandwidth

5. Fua le saoasaoa femalagaa'i o galu ultrasound i totonu o se ala

6. Fa'ata'ita'i feso'ota'iga fa'apitoa e fa'aogaina ai le fa'aogaina o le fa'aogaina o le fa'aogaina o le fa'aogaina

 

Fa'amatalaga

Fa'amatalaga

Fa'amatalaga

He-Ne Laser Output <1.5mW@632.8nm
LiNbO3tioata Electrode: X luga auro fa'apalapala fa'aeletise mafolafola <λ/8@633nmTransmittance laina: 420-520nm
Polarizer Va'aiga mata Φ16mm / Vave umi galu 400-700nmPolarizing tikeri 99.98%Transmissivity 30% (paraxQllel); 0.0045% (tutusa)
Su'esu'e PIN photocell
Pusa Malosiaga Amplitude fa'aogaina o le galu o le sinus Output: 0-300V fa'aauau tunableOutput DC vili fa'aituau: 0-600V fa'aauau fetu'una'i fa'avevela fa'alava: 1kHz
Fa'ailoga Mata'utia 1m, Alumini

  • Muamua:
  • Sosoo ai:

  • Tusi lau savali iinei ma lafo mai ia i matou