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CY4225 Strontium Fluoride Windows (SrF2)

Catalog No
CY4225
Material
SrF2
Size
10.0x1.0, 13.0x2.0, 23.0x1.0, 25.0x2.0, 35.0x2.0 mm
Transmission Range
0.15 to 11 μm
Class/Structure
Cubic Fm3m (#225) Cleaves on (111)
Density
4.24 g/cc

Strontium Fluoride Windows (SrF2) is one of the most important alkaline-earth fluorides. Stanford Optics has rich experience in manufacturing and supplying high-quality Optical Products.

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Strontium Fluoride Windows (SrF2)
Strontium Fluoride Windows (SrF2)
Description
Specifications
Videos
Reviews

Strontium Fluoride Windows (SrF2) Description

Strontium Fluoride Windows (SrF2) are key alkaline-earth fluorides with a range of notable physical characteristics, including low energy phonons, high ionization, high resistance, and good anion conductivity. These properties make it valuable in applications such as light-emitting devices, optical imaging, biomarkers, and anion conductors. Compared to oxides and calcium fluoride, strontium fluoride stands out with lower phonon energy, higher thermal conductivity, and a negative thermal optical coefficient. This unique thermal property helps counteract the thermal lens effect during laser oscillation. Strontium fluoride has significantly advanced the development of optical materials and the enhancement of optical instruments due to its distinct material structure and features.

Strontium Fluoride Windows (SrF2) Applications

Strontium Fluoride is widely used in various applications, including light-emitting devices, optical imaging, biomarkers, and anion conductors.

Strontium Fluoride Windows (SrF2) Packaging

To ensure the product remains in top condition, our Strontium Fluoride Windows (SrF2) are carefully handled during storage and transportation.

Specifications

Transmission Range

0.15 to 11 μm

Refractive Index

1.439 at 0.55 μm

Reflection Loss

6.3% at 0.55 μm

Absorption Coefficient

<1 x 10-3 cm-1 at 5 μm

Reststrahlen Peak

46 μm

dn/dT

-12 x 10-6 /℃

Density

4.24 g/cc

Melting Point

1450℃

Thermal Conductivity

8.3 W m-1 K-1 at 293K

Thermal Expansion

18.4 x 10-6 /℃ at 293K

Hardness

Knoop 154 (100) & 140 (110)

Specific Heat Capacity

543 J Kg-1 K-1

Dielectric Constant

7.69 at 2 MHz

Youngs Modulus (E)

89.91 GPa

Shear Modulus (G)

34.6 GPa

Bulk Modulus (K)

24.65 GPa

Elastic Coefficients

C11=124; C12=45; C44=31.7

Apparent Elastic Limit

36.5 MPa (5300 psi)

Poisson Ratio

0.25

Solubility

0.012g/100g water at 27℃

Molecular Weight

125.62

Class/Structure

Cubic Fm3m (#225) Cleaves on (111)

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