色散系数 (v_d):

64.17

倒角:

Protective as needed

有效孔径 (%):

90

直径 (mm):

11.40 ±0.10

厚度 (mm):

3.50 ±0.10

涂层:

Uncoated

热膨胀系数 CTE (10^-6/°C):

7.1 (-30 to +70°C)
8.3 (+20 to +300°C)

密度 (g/cm³):

2.51

边缘:

Fine Ground

折射率 n_d:

1.516

努氏硬度 (kg/mm²) :

610

平行度（弧分）:

<3

泊松比 :

0.206

基底: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

N-BK7

表面平整度 (P-V):

<2λ/inch @ 632.8nm

表面质量:

40-20

类型:

Protective Window

波长范围 (nm):

350 - 2200

杨氏模量 (GPa) :

82

合规性

RoHS:

符合标准

Certificate of Conformance:

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产品系列说明

Feature Standard Designs and Specifications
Commercial Grade Float Glass and Fused Silica Windows Also Available
For More Options, View Precision Quality Optical Windows

N-BK7 windows are ideally suited for industrial applications. Available uncoated or with a MgF₂ anti-reflection coating, windows are often used as a protective element between two environments. Commercial Grade N-BK7 Windows offer commercial quality, at an affordable price.

11.4mm Dia., 3.5mm Thick, Uncoated, N-BK7 Window

合规性

产品系列说明