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Optical Flat（λ/40）
It is a substrate polished to high precision were material change of the shape is very small due to the temperature variation. It can be used as test plates of the interferometer and the Newton test plate.
Inspection data of interferometric surface accuracy is provided with the optical flats.
You can select the required optical flat from our range of products listed by various sizes and surface accuracy.
In the high-precision and large size optical flats, a material having a lower thermal expansion than synthetic fused silica is used.
Arrow on the side of the component indicates the surface that is polished to the high surface accuracy.
Optical flat are delivered in case for storage.
| Model | Diameter φD(mm) | Thickness t(mm) | Material | Reflected wavefront distortion PV | VS | Unit Price | Date | Cart | |||||||||||
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HMPQP-30C10-40 |
30 | 10 | 合成石英 | λ/40 |
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Optical Flat（λ/40） /HMPQP-30C10-40
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HMPQP-40C10-40 |
40 | 10 | 合成石英 | λ/40 |
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Optical Flat（λ/40） /HMPQP-40C10-40
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HMPQP-50C10-40 |
50 | 10 | 合成石英 | λ/40 |
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Optical Flat（λ/40） /HMPQP-50C10-40
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HMPQP-60C12-40 |
60 | 12 | 合成石英 | λ/40 |
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Optical Flat（λ/40） /HMPQP-60C12-40
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HMPQP-80C15-40 |
80 | 15 | 合成石英 | λ/40 |
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Optical Flat（λ/40） /HMPQP-80C15-40
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HMPQP-100C20-40 |
100 | 20 | 合成石英 | λ/40 |
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Optical Flat（λ/40） /HMPQP-100C20-40
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HMPQP-130C25-40 |
130 | 25 | 合成石英 | λ/40 |
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Optical Flat（λ/40） /HMPQP-130C25-40
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HMPQP-150C30-40 |
150 | 30 | 合成石英 | λ/40 |
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Optical Flat（λ/40） /HMPQP-150C30-40
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HMPZP-150C25-40 |
150 | 25 | 低膨胀玻璃 | λ/40 |
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Optical Flat（λ/40） /HMPZP-150C25-40
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