Термо люминесцентный дозиметр (TLD) для измерения дозы от ионизирующего излучения

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LiF CRYSTAL

Lithium Flouride shows good optical properites. It can be used for windows, prisms and lenses in the vacuum UV,visibel and infrared where desired transmission is in the 0.11μm~7μm range. Because of its paricular lattice structure, LiF can also be used as X-ray diffraction devices.

 

We Can Offer

(1).Various optics for IR & VUV application, using our LiF crystal materials

(2).Optical element for X-ray diffraction devices

(3).Good quality LiF crystal blank materials

(4).OEM service

 

Capabilities

 Maximum of Material Diameter: dia170mm

 

 

 CaF2 18.jpgLiF crystal 08.jpgLiF crystal 11.jpgLiF crystal 10.jpgLiF crystal 12.jpgLiF crystal 18.jpg

LiF .jpg

 

 

 

LiF Crystal Properties

Optical Properties

Transmission Range

105 nm to 6 μm

Transmittance

>90% at 300 nm to 4.5 μm

Refractive Index

1.3733at 2.5 μm;

1.6240 at 121 nm

Reflection Loss

4.4% at 4 μm (both surfaces)

 

 

 

 

 

 

 

 

Physical Properties

Density

2.64 g/cm3

Melting Point

845°C

Thermal Conductivity

11.3 Wm-1K-1 at 314K

Thermal Expansion

37 x 10-6 /°C

Mohs Hardness

113 with 600g indenter (kg/mm2)

Specific Heat Capacity

1562 J/(kg.k)

Dielectric Constant

9.0 at 100 Hz

Youngs Modulus (E)

64.79 GPa

Shear Modulus (G)

55.14 GPa

Bulk Modulus (K)

62.03 GPa

Rupture Modulus

10.8 MPa

Elastic Coefficient

C11=112; C12=45.6; C44=63.2

 

 

 

 

 

 

Chemical Properties

Solubility

0.27 g/ 100g water at 18°C

Molecular Weight

25.94

Structure

Cubic Crystal

Cleavage Plane

(100)

 LiF crystal 13.jpgLiF crystal 08.jpgLiF crystal 09.jpgLiF crystal 14.jpg

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About Our Company:

 

Beijing Glass Research Institute founded in 1960s, we are the state owned institute pioneered in optical materials.

Over 53 years, we have been growing accompanied by contributing to domestic and international projects in diverse areas of science and industry. Continued focus on innovation won us more than 140 awards.

 

Since 1966, our institute makes out the first optical fiber in China. Now we have the certification and permission on various national military or weapon projects.

 

From the 1st January 2013, our higher authoritiesreorganized the advantage resources and established the Scitlion Technology, all the staffs and businesses in Beijing Glass Research Institute are transferred into this new company. New company acts as the brother company of the Institute.

 

Now our company has 5 business units, they are

1.Crystal, which include FLUORIDE Crystal and Scintillation Crystal growth and processing;

2. Specialty fiber, which includes various silica fiber applied in UV , visible ,infrared range and polarization maintaining optical fiber,

3.Optical processing, like the Windows, Mirrors, Lenses, Prisms, Filters;

4.Special glass, mainly the sealing glass and lubricant glass;

5.Temperature components, such as Beckman thermometer, industrial thermistors.

 

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