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Er:YAG crystal

Er:YAG crystal

 

Major capability parameter

Crystal structure

cubic system

crystal lattice parameters

12.01 Å

orientation

<111> or <100> crystalline within 5°

Melt point

1970λC

Hardness mohs

8.5

density

4.56±0.04 g/cm3

Specific heat

0.59 J/g.cm3

Modulus of elasticty

310 GPa

Young modulus

3.17X104Kg/mm2

tensile strength

0.13~0.26 GPa

Thermal expansion

<100> Direction: 8.2x10-6 /°C(0~250°C)

 

<110> Direction: 7.7x10-6/°C(0~250°C)

 

<111> Direction: 7.8x10-6/°C(0~250°C)

thermo-optical coeffecient

7.3×10 -6/°C

 

(Er:YAG) crystal is one performance fine laser material, this crystal stimulated may send out 2.94m the laser, has the widespread application in the medical laser system. 

 

 
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