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CaF2 Substrate
1.Mahusay na pagganap ng IR
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PMN-PT Substrate
1.Mataas na kinis
2. High lattice matching (MCT)
3. Mababang density ng dislokasyon
4.High infrared transmittance -
BSO substrate
1. Photoelectric
2. Photoconductive
3. Potorefractive
4. Piezoelectric
5. Acousto-optic
6. Dazzle at Faraday rotation
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MgF2 Substrate
1.Good transmission
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SrTiO3 Substrate
Mataas na temperatura superconducting