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具通孔的藍寶石窗鏡

Sapphire Windows with Through Holes

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  • 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。

一般規格

Bevel:
Protective as needed
Diameter (mm):
25.40 ±0.127
Thickness (mm):
1.00 ±0.127
Knoop Hardness (kg/mm2):
1900
Parallelism (arcmin):
≤3.5
Poisson's Ratio:
0.27
Young's Modulus (GPa):
435
Abbe Number (vd):
72.24
Axis Orientation:
Random
Birefringence (no-ne):
0.008 for Visible Light Orthogonal to Optical Axis
Coating:
Uncoated
Index of Refraction (nd):
1.77
Substrate:
Sapphire (Al2O3)
Surface Flatness (P-V):
2λ (typical)
Surface Quality:
80-50
Wavelength Range (nm):
330 - 5500
Coefficient of Thermal Expansion CTE (10-6/°C):
8.8
Density (g/cm3):
3.97

產品

Dia. (mm)  Through Hole Diameter (mm)   Thickness (mm)   Coating   比較   庫存號碼   價格  Buy
25.40 3.20 1.00 Uncoated
25.40 6.35 1.00 Uncoated
25.40 12.70 1.00 Uncoated
25.40 19.10 1.00 Uncoated

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