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50.8mm Dia., 4mm Thick, Uncoated, ISP Optics Barium Fluoride (BaF2) Window | BF-W-50-4

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下載產品資料
Abbe Number (vd):
81.78
Axis Orientation:
Random
Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
43.18
Diameter (mm):
50.80 +0.00/-0.13
Thickness (mm):
4.00 ±0.13
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
18.1
Density (g/cm3):
4.89
Edges:
Fine Ground
Index of Refraction nd:
1.48
Knoop Hardness (kg/mm2):
82
Operating Temperature (°C):
Maximum: 800
Parallelism (arcmin):
<3
Poisson's Ratio:
0.343
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Flatness (P-V):
Surface Quality:
40-20
Type:
Protective Window
Wavelength Range (nm):
200 - 12000
Young's Modulus (GPa):
53
Model Number:
BF-W-50-4

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 240:

產品系列說明

  • 0.2 - 12μm範圍的穿透率出眾
  • 抗高能量輻射
  • 無抗反射鍍膜的高穿透率

ISP Optics 氟化鋇(BaF2)窗鏡由於折射率低,在 0.2 - 12μm 範圍內提供出色的穿透率,無需抗反射鍍膜(AR)。氟化鋇的物理特性與氟化鈣相似,但抗高能輻射能力更強。因此氟化鋇是真空紫外(VUV)應用的理想選擇,如熱成像或雷射光譜學等需要高抗輻射能力的應用。ISP Optics 氟化鋇窗鏡在乾燥環境下的使用溫度高達 800°C ,但長時間暴露在潮濕環境中會降低紫外範圍的穿透率。

請注意: 這些光學窗鏡對熱衝擊非常敏感。

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Surface Quality

 
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