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Categories | Optical Windows |
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Brand Name: | JOPTEC |
Place of Origin: | HEFEI, CHINA |
MOQ: | 50 PCS |
Payment Terms: | T/T |
Supply Ability: | 5000000 PCS/Month |
Delivery Time: | 30 Days |
Packaging Details: | Boxes |
Material: | Magnesium Fluoride single crystal |
Diameter Tolerance: | +0.0, -0.1mm |
Thickness Tolerance: | ±0.2mm |
Clear Aperture: | >80% |
Parallelism: | 1 arc minute |
Flatness: | λ/2 @ 632.8 nm |
Surface quality: | 40/20 scratch and dig |
Protective Bevel: | <0.25x45deg |
Company Info. |
JOPTEC LASER CO., LTD |
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Product List |
MgF2 Windows are made from Magnesium Fluoride material, which has transparent range from 120-7000 nm. The refractive index is 1.376 at 7000nm.
Specifications:
Material: ---------------------------------------------------------
Magnesium Fluoride single crystal
Diameter Tolerance: ------------------------------------------
+0.0, -0.1mm
Thickness Tolerance:------------------------------------------
±0.2mm
Clear Aperture:
------------------------------------------------->80%
Parallelism:-------------------------------------------------------
1 arc minute
Flatness:-----------------------------------------------------------
λ/2 @ 632.8 nm
Surface quality: -------------------------------------------------
40/20 scratch and dig
Protective
Bevel:--------------------------------------------------<0.25x45deg
Coating:-------------------------------------------------------------Uncoated
MgF2 Main Properties and Performance
Transmission range (μm) | 0.11~7.5 |
Refractivity (0.7μm) | n0=1.37608 ne=1.38771 |
Reflection Loss at 0.6μm | 5.2%(both faces) |
Thermal expansion coefficient (℃-1) | 13.7(//axis c), 8.9(⊥axis c) |
Thermal conductivity at 300K (Wm-1K-1) | 0.3 |
Knoop Hardness (kg/mm2) | 415 |
Solubility (g/100gH2O·0℃) | 0.0002 |
Density (g/cm3) | 3.18 |
Melting Point (℃) | 1255 |
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