Er Cr Yb Glass (Erbium glass) lasers provide a useful coherent source in the spectral range of nearly 1.5μm, which is relatively safe for the human eye. Stanford Optics is a trusted supplier and manufacturer of Optical products.
Material |
Cr14 |
CrE5 |
Orientation |
[100] or [110] ±0.5° |
[100] or [110] ±0.5° |
Mass density |
3.10 g/cm3 |
2.95 g/cm3 |
Moh’s hardness |
8.5 |
8.5 |
Young’s modulus |
57.6 GPa |
57.6 Gpa |
tensile strength |
2 Gpa |
2 Gpa |
Melting point |
1970°C |
1970°C |
Thermal Conductivity |
0.7 |
0.8 |
Specific heat/(J·g-1·K-1) |
0.59 |
0.59 |
Thermal shock resistance parameters |
800 W/m |
800 W/m |
Thermal coefficient Optical path length (10-7/ºC) (20~100ºC) |
3.6 |
- |
Coefficient of linear thermal expansion (10-7/K) (20~100℃) |
103 |
80.5 |
Coefficient of linear thermal expansion (10-7/K) (100~300℃) |
127 |
87 |
Softening temperature (Celsius) |
493 |
519 |
Transition temperature (degrees Celsius) |
455 |
476 |
Chemical durability (weight loss rate in 100ºC distilled water) (μg/hr.cm2) |
103 |
- |
dn/dT (10-6/℃) (20~100℃) |
-5.2 |
-6.8 |
Refractive index @ 1535 nm |
1.53 |
1.533 |
Refractive index (d 589.3nm) |
1.539 |
1.541 |
Abbe value |
64 |
63.6 |
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