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“F2火石玻璃高精度窗口片”参数说明
| 型号: | F2 | 规格: | 385 nm - 2 μm |
| 商标: | yb | 包装: | 纸箱 |
| Heat Capacity: | 0.557 J/(g*K) |
“擎轩科技F2火石玻璃高精度窗口片”详细介绍

F2是一种火石玻璃,在可见光和近红外光谱范围性能**。它的特点是高折射率和低阿贝数,所以非常适合等边色散棱镜。相比于N-SF11,它的耐化学特性更优越,透射率略高。F2的透射范围从385 nm到2 μm,在波长587.6 nm处的折射率是1.620。
| F2 Specifications
| |
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Refractive Index at d-Line (587.6 nm)a
|
1.620
|
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Abbe Number (Vd)
|
36.37
|
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Transmission Range
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385 nm - 2 μm
|
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Density
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3.6 g/cm3
|
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Knoop Hardness (100 g Load)
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420 kg/mm2
|
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Young's Modulus
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57 GPa
|
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Shear Modulus (calculated value)
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23.4 GPa
|
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Bulk Modulus (calculated value)
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33.9 GPa
|
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Poisson's Ratio
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0.22
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Coefficient of Thermal Expansion
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8.2 x 10-6 /°C
|
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Heat Capacity
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0.557 J/(g*K)
|
|
Softening Point
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580°C
|
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Change in Index of Refraction with Temperature
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2.7 x 10-6 /°
|