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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

12.7mm Diameter, VIS-NIR Coated, Calcium Fluoride Window

TECHSPEC Calcium Fluoride (CaF2) Windows

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Stock #17-602 New
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Qty 1-10
NT$5,049
Qty 11+
NT$4,455
Volume Pricing
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Abbe Number (vd):
94.99
Axis Orientation:
Random
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
11.43
Diameter (mm):
12.70 +0.0/-0.1
Thickness (mm):
2.00 ±0.10
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
Coefficient of Thermal Expansion CTE (10-6/°C):
18.85
Density (g/cm3):
3.18
Edges:
Fine Ground
Index of Refraction nd:
1.434
Knoop Hardness (kg/mm2):
158.3
Parallelism (arcmin):
<1
Poisson's Ratio:
0.26
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Calcium Fluoride (CaF2) Vacuum UV Grade
Surface Flatness:
λ/2
Surface Quality:
40-20
Type:
Protective Window
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 1000
Young's Modulus (GPa):
75.8

Regulatory Compliance

RoHS:

產品系列說明

  • 採用低吸收、高穿透的紫外線級氟化鈣
  • 非常適用於200nm至7μm範圍內光線的應用
  • 低折射率

氟化鈣對200nm至7μm範圍內的光具有高穿透力,因此經常用於分光鏡的窗口片與透鏡。其低吸收力與高破壞閾值使其成為準分子雷射光學裝置的普遍選擇。氟化鈣的折射率很低,因此在使用時無需抗反射鍍膜。氟化鈣的努氏硬度為158.3。以真空紫外線級氟化鈣製造的TECHSPEC®氟化鈣 (CaF2) 窗口片常用於低溫冷凍熱成像系統。

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