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Crystal

Laser Crystal

Time:2020/11/04 丨 source:Fast Silver 丨 visit count:




Erbium-doped yttrium aluminum garnet (Er:YAG) crystal is a kind of laser material with excellent performance. The crystal can emit a laser of 2.94μm when excited, and it has a wide range of applications in medical laser systems.

Specification

Crystal structure

Cubic crystal system

Lattice parameters

12.01 Å

Orientation

<111> or <100> crystalline within 5°

Melting

1970λC

Moh's hardness

8.5

Density

4.56±0.04 g/cm3

Specific heat

0.59 J/g.cm3

Elastic Modulus

310 GPa

Young's modulus

3.17X104Kg/mm2

Poisson's ratio

0.3(est.)

Tensile strength

0.13~0.26 GPa

Thermal expansion coefficient

<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 coefficient

7.3×10 -6/°C

Thermal shock coefficient

790W/m



Fast Silver offers various laser crystals: Ho:YAG,Er:YAG,Nd:YAG,Yb:YAG

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