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TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

75mm Diameter Uncoated, Sapphire Window

Stock #47-542
NT$23,100
×
Qty 1-24
NT$23,100
Qty 25+
NT$18,496
Volume Pricing
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Abbe Number (vd):
72.24
Axis Orientation:
Random
Bevel:
Protective as needed
Birefringence (no-ne):
0.008 for Visible Light Orthogonal to Optical Axis
Clear Aperture (%):
≥90
Clear Aperture CA (mm):
67.50
Diameter (mm):
75.00 ±0.125
Thickness (mm):
2.00 ±0.05
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
8.8
Density (g/cm3):
3.97
Edges:
Fine Ground
Index of Refraction nd:
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:
2λ (typical)
Surface Quality:
80-50
Surface Roughness (μm):
0.1 per Inch
Type:
Protective Window
Wavelength Range (nm):
330 - 5500
Young's Modulus (GPa):
435

Regulatory Compliance

RoHS 2015:
Reach 211:

產品系列說明

  • 具備極高的表面硬度與化學品抵抗力
  • 穿透波長的範圍涵蓋紫外線至中波紅外
  • 較標準玻璃窗口片厚度更薄、強度更大

TECHSPEC®藍寶石窗口片採用單晶體藍寶石製造,由於具備極高的表面硬度、高導熱性、高介電常數以及對常見化學酸與鹼的抵抗力,因此非常適用於需求嚴苛的應用 (例如雷射系統)。藍寶石是硬度位居第二 (僅次於鑽石) 的晶體,由於結構強度很高,因此製造藍寶石窗口片時,厚度可較其他常見電介質窗口片薄得多,而穿透能力更優。從化學角度而言,藍寶石是單晶體氧化鋁 (Al2O3),在穿透0.33 - 5.5μm的光時很有用。

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