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CY4224 Caesium Iodide Windows (CsI)

Catalog No
CY4224
Material
CsI
Size
10.0x1.0, 13.0x2.0, 23.0x1.0, 25.0x2.0, 35.0x2.0 mm
Transmission Range
0.5 to 50 μm
Molecular Weight
259.83
Class/Structure
Cubic CsCl, Pm3m, no cleavage, deforms

Caesium Iodide Windows (CsI) is the best-known infrared transmissive material. Stanford Optics has rich experience in manufacturing and supplying high-quality Optical Products.

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CY4224 Caesium Iodide Windows (CsI)
CY4224 Caesium Iodide Windows (CsI)
Description
Specifications
Reviews

Caesium Iodide Windows (CsI) Description

Caesium Iodide Windows (CsI) are highly regarded for their infrared transmissive properties. They are commonly used in prisms, lenses, and windows for the infrared spectrum up to 50µm. With a refractive index ranging from 1.8 to 1.6 within its transmission range of 0.5 to 50µm, this material is soft, crack-resistant, and capable of withstanding shock and rapid temperature changes. Due to its difficulty in polishing, Cesium iodide arrays are often utilized in security imaging systems.

Caesium Iodide Windows (CsI) Applications

Cesium iodide arrays play a crucial role in security imaging systems and are also widely used in prisms, lenses, and windows designed for the infrared spectrum up to 50µm.

Caesium Iodide Windows (CsI) Packaging

To ensure the preservation of quality, our Caesium Iodide Windows (CsI) are carefully handled during storage and transportation, keeping the product in its original condition.

Specifications

Transmission Range

0.25 to 55 μm

Refractive Index

1.73916 at 10 μm

Reflection Loss

13.6% at 10 μm

Absorption peak

145.8 μm

dn/dT

-99.3 x 10-6 /℃

dn/dμ = 0

6 μm

Density

4.51 g/cc

Melting Point

621 ℃

Thermal Conductivity

1.1 W m-1 K-1 at 298 K

Thermal Expansion

48.3 x 10-6 /℃ at 293 K

Hardness

Knoop 20 with 200g indenter

Specific Heat Capacity

201 J Kg-1 K-1

Dielectric Constant

5.65 at 1 MHz

Youngs Modulus (E)

5.3 GPa

Shear Modulus (G)

6.24 GPa

Bulk Modulus (K)

12.67 GPa

Elastic Coefficients

C11=24.6 C126.7 C44=6.24

Apparent Elastic Limit

5.6 MPa (810psi)

Poisson Ratio

0.214

Solubility

44 g/100 g water at 0 ℃

Molecular Weight

259.83

Class/Structure

Cubic CsCl, Pm3m, no cleavage, deforms

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