Abbe Number (v_d):

72.24

Axis Orientation:

Random

Bevel:

Protective as needed

Birefringence (n_o-n_e):

0.008 for Visible Light Orthogonal to Optical Axis

Diameter (mm):

25.40 ±0.127

Through Hole Diameter (mm):

3.20 ±0.127

Thickness (mm):

1.00 ±0.127

Coating:

Uncoated

Coefficient of Thermal Expansion CTE (10^-6/°C):

8.8

Density (g/cm³):

3.97

Index of Refraction n_d:

1.77

Knoop Hardness (kg/mm²):

1900

Parallelism (arcmin):

≤3.5

Poisson's Ratio:

0.27

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

Sapphire (Al₂O₃)

Surface Flatness (P-V):

2λ (typical)

Surface Quality:

80-50

Type:

Protective Window

Wavelength Range (nm):

330 - 5500

Young's Modulus (GPa):

435

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 240:

Compliant

產品系列說明

25.4mm 直徑藍寶石基材
3.2 - 19.1mm 通孔直徑
在 0.33 - 5.5μm 提供高穿透率

具通孔的藍寶石窗鏡也稱為藍寶石墊圈，採用 25.4mm 直徑的藍寶石基材，並具備直徑 3.2 - 19.1mm 的中央通孔。藍寶石提供僅次於鑽石的超高表面硬度，並具備高熱傳導性及化學惰性等特色，是在惡劣環境使用的理想選擇。本系列窗鏡在 0.33 - 5.5μm 提供高穿透率，並因為藍寶石結構強度的緣故，厚度可以遠低於玻璃窗鏡。具通孔的藍寶石窗鏡可製造為修訂的標準版藍寶石窗鏡，或是完全客製的產品；請與我們聯絡討論您的應用需求。

25.4mm Diameter, 3.2mm Through Hole, Sapphire Window

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Regulatory Compliance

產品系列說明