Shalom

Specifications

Cr Concentration

0.85%

Tm Concentration

5.90%

Ho Concentration

0.36%

Wavefront Distortion (Per inch of rod length)

<I/2

End Face Parallelism

<10 arc seconds

Physical and optical properties

Crystal Structure

Cubic

Lattice Parameters

12.01 Å

Melting Point

1970C°

Moh Hardness

8.5

Density

4.56g/cm³

Specific Heat (0-20)

0.59J/g.cm³

Modulus of Elasticity

310GPa

Poisson Ratio

0.3(est.)

Tensile Strength

0.13~0.26GPa

Thermal Expansion Coefficient

[100]Direction:8.2x10^-6/C°(0~250C°)

[110]Direction:7.7x10^-6/C°(0~250C°)

[111]Direction:7.8x10^-6/C°(0~250C°)

Thermal Conductivity

14W/m/K(@20C°)

10.5W/m/K(@100C°)

Thermal Optical Coefficient (dn/dT)

7.3x10^-6/C°

Thermal Shock Resistance

790W/m

Solubility

Water: Insoluble;
Common Acids: Slightly

Laser Transition

⁵I₇ - ⁵I₈

Laser Wavelength 

2.097 μm 

Photon Energy

9.55 x 10^-20 J

Emission Cross Section 

7 x 10^-21 cm²

Fluorescence Lifetime

8.5 ms

Index of Refraction 
Absorption Linewidth 
Diode Pump Band 
Major Pump Bands

1.80 @2.08 μm

4 nm

781 nm

400~800 nm