MgF2 Birefringent Crystal 7000nm Magnesium Fluoride Glass With Good Transmission

Name: MgF2 Birefringent Crystal 7000nm Magnesium Fluoride Glass With Good Transmission
Brand: Wuhan Star Optic Technology Co., Ltd

Price Negotiable

Price: Negotiable

MOQ: 1pc

Delivery Time: Negotiable

Brand: STAR OPTIC

Product Description

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 Quality	20/10
Clear Aperture	>90%
Flatness	<λ/4@633nm
Transmitted Wavefront Distortion	<λ/4@633nm
Parallelism	<1 arc minute
AR Coating	Upon Request

Physical and Optical Properties of MgF2:

Transmission Range	0.11-8.5um
Density	3.16g/cm³
Melting Point	1255℃
Boiling point	2239℃
Molecular Weight	62.32
Thermal Conductivity	3.15W/m K
Specific Heat	920 J/(kg K)
Thermal Expansion	\|\| C: 14 x 10^-6/°C ; ⊥C: 9 x 10^-6 /°C
Hardness	5-6
Youngs Modulus	138.5 GPa
Elastic Coefficient	C11=140 C12=89 C44=57 C13=63 C66=96
Dielectric Constant	105 ~107 Hz 5.45
Solubility in Water	0.0076g/100 g, 18℃
Lattice Constant	a=4.64Å, c=3.06Å
Crystal Type	Tetragonal, P42/mnm
Cleavage Planes	(100), (110)
Absorption Coefficient	0.07 at 0.2µm, 0.02 at 5.0µm

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Company Wuhan Star Optic Technology Co., Ltd

Location 4th floor, building 9, Optics Valley New Dynamic, 5th Hi-Tech road, East lake Hi-Tech Zone, Wuhan, China

Contact Person Tina Tian

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