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MgF2 Birefringent Crystal 7000nm Magnesium Fluoride Glass With Good Transmission

Categories Laser Crystals
Brand Name: STAR OPTIC
Model Number: MgF2
Certification: RoHS, ISO9001
Place of Origin: Wuhan, China
MOQ: 1pc
Price: Negotiable
Payment Terms: T/T, Western Union, Paypal
Supply Ability: 50000pcs/Month
Delivery Time: Negotiable
Packaging Details: Safe and dust-free packing
Product Name: Birefringent Crystal MgF2
Transmit range: 120-7000nm
Applications: Material for Optical prisms, lenses, windows
Feature: hard material which is resistant to thermal and mechanical shock
Hardness: 5-6
Crystal Type: Tetragonal
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MgF2 Birefringent Crystal 7000nm Magnesium Fluoride Glass With Good Transmission

Birefringent Crystal MgF2

Overview:

Magnesium Fluoride (MgF2) is good birefringent crystal with good transmission over 120-7000nm. It is a hard material which is resistant to thermal and mechanical shock and can be worked according to the highest standards. MgF2 single crystals is a positive birefringent crystal and widely used for Optical prisms, lenses, windows and other optical components.


General Specifications Of MgF2:

Dimension Tolerance±0.1mm
Optical Axis Orientation±0.5°
Surface Quality20/10
Clear Aperture>90%
Flatness<λ/4@633nm
Transmitted Wavefront Distortion<λ/4@633nm
Parallelism<1 arc minute
AR CoatingUpon Request

Physical and Optical Properties of MgF2:

Transmission Range
0.11-8.5um
Density3.16g/cm3
Melting Point
1255℃
Boiling point
2239℃
Molecular Weight62.32
Thermal Conductivity3.15W/m K
Specific Heat920 J/(kg K)
Thermal Expansion|| C: 14 x 10-6/°C ; ⊥C: 9 x 10-6 /°C
Hardness5-6
Youngs Modulus138.5 GPa
Elastic CoefficientC11=140 C12=89 C44=57 C13=63 C66=96
Dielectric Constant105 ~107 Hz 5.45
Solubility in Water0.0076g/100 g, 18℃
Lattice Constanta=4.64Å, c=3.06Å
Crystal TypeTetragonal, P42/mnm
Cleavage Planes(100), (110)
Absorption Coefficient0.07 at 0.2µm, 0.02 at 5.0µm


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