Magnesium Fluoride Wedge Windows

Magnesium fluoride wedge windows have high transparency and a wedge shaped design that can change the deflection path of light. It has good light transmittance, excellent mechanical and thermal shock performance, and a high laser damage threshold in the wavelength range of 0.12 μ m-7.5 μ m. Magnesium fluoride crystals are a hard and non deformable material with high resistance to chemical corrosion and birefringence properties. Enable long-term stability and high transparency performance to be maintained. Used to separate the environment on both sides, isolating the interior and exterior of the instrument, thereby protecting internal components. It can be coated with reflective film, anti reflective film, filter film, spectroscopic film, polarizing film, and metallization film systems.

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	Dia(mm)	ThK(mm)	Wedge Angle	Surface Quality	Surface Accuracy	Bevel(mm)
	Screen Reset 25.4 12.7	Screen Reset 5 3	Screen Reset 8° 30′	Screen Reset 60-40	Screen Reset 3(1)	Screen Reset 0.35
More+ Less	25.4	5	8°	60-40	3(1)	0.35
Φ25.4mm，Thickness 5mm，Wedge Angle 8°，Magnesium Fluoride Wedge Windows Number：PMg01E013 Dia(mm)：25.4 ThK(mm)：5 Wedge Angle：8° Surface Quality：60-40 Surface Accuracy：3(1) Clear Aperture：>90% Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Wedge Angle Tolerance：±10′ Substrate Material：Magnesium Fluoride（MgF2） Transmission Range：0.12-7.5μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	25.4	5	30′	60-40	3(1)	0.35
Φ25.4mm，Thickness 5mm，Wedge Angle 30′，Magnesium Fluoride Wedge Windows Number：PMg01E016 Dia(mm)：25.4 ThK(mm)：5 Wedge Angle：30′ Surface Quality：60-40 Surface Accuracy：3(1) Clear Aperture：>90% Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Wedge Angle Tolerance：±10′ Substrate Material：Magnesium Fluoride（MgF2） Transmission Range：0.12-7.5μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	12.7	3	30′	60-40	3(1)	0.35
Φ12.7mm，Thickness 3mm，Wedge Angle 30′，Magnesium Fluoride Wedge Windows Number：PMg01C011 Dia(mm)：12.7 ThK(mm)：3 Wedge Angle：30′ Surface Quality：60-40 Surface Accuracy：3(1) Clear Aperture：>90% Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Wedge Angle Tolerance：±10′ Substrate Material：Magnesium Fluoride（MgF2） Transmission Range：0.12-7.5μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant

Material Data
Optical Properties
Transmission Range	0.12-9μm
Transmittance	>90%@0.193-6μm
Refractive Index	NO=1.566,Ne=1.568@0.13μm NO=1.334,Ne=1.343@5μm
Reflection Loss	11.2%@0.12nm(both surfaces) 5.7%@0.22μm(both surfaces) 5.1%@1μm(both surfaces)
Absorption Coefficienet	40×10-3@2.7μm
Structure	square crystal system
Cleavage Planes	<100>
Physical Properties
Density [g/cm3]	3.177
Melting Point [℃]	1255
Thermal Conductivity [W/(m×K)]	21 //c, 33.6⊥c @ 300K
Thermal Expansion [10-6/K]	13.7//c, 8.9 ⊥c @ 373k
Knoop Hardness [kg/mm2]	415
Specific Heat Capacity [J/(kg×K)]	1003
Dielectric Constant	4.87 //c, 5.44⊥c @ 1MHz
Young's Modulus (E) [GPa]	138.5
Shear Modulus(G) [GPa]	54.66
Bulk Modulus(K) [GPa]	101.32
Poisson Coefficient	0.276
Chemical Properties
Solubility / g/L	0.002g @ 20℃
Molecular Weight / g/mol	62.3018

Magnesium Fluoride Wedge Windows

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