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ISP Optics Calcium Fluoride (CaF2) Wedged Windows

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Calcium Fluoride (CaF2) Wedged Windows

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Common Specifications

Bevel:
Protective as needed
Clear Aperture (%):
85
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
158.3
Poisson's Ratio:
0.26
Young's Modulus (GPa):
75.8
Index of Refraction (nd):
1.495
Surface Quality:
60-40
Coefficient of Thermal Expansion CTE (10-6/°C):
18.85
Density (g/cm3):
3.18

Products

Dia. (mm)  Thickness (mm)   Coating   Wedge Angle   Compare   Stock Number   Price  Buy
12.70 2.00 Uncoated
25.40 4.00 Uncoated 30'
25.40 4.00 BBAR (2000-5000nm) 30'
25.40 3.00 Uncoated
25.40 3.00 BBAR (2000-5000nm)
38.10 3.00 Uncoated
50.80 6.00 Uncoated 30'
50.80 5.00 Uncoated

Product Details

ISP Optics Calcium Fluoride (CaF2) Wedged Windows feature a 30 arcmin wedge to eliminate fringe patterns from etalon effects and to prevent cavity feedback. Calcium fluoride’s combination of low absorption and high damage threshold make these windows a popular choice for free-space lasers. Its low refractive index allows it to be used without an anti-reflective coating. ISP Optics Calcium Fluoride (CaF2) Wedged Windows feature low water solubility and offer superior hardness compared to other fluoride-based substrates, making them suitable for laser applications in harsh environments. Calcium Fluoride (CaF2) Wedged Windows provide laser output protection from environmental effects and are ideal for beam sampling applications.

Technical Information

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