Nd:YAG
Contents
YAG Physical and Chemical Properties
- Formula: Y3AI5O12
- Molecular Weight: 596.7
- Crystal Structure: Cubic
- Moh Hardness: 8 - 8.5
- Melting Point: 1950°C (3540°F)
- Density: 4.55 g / cm-3
- Refractive Index of YAG at 25C and 1.0 (µm)= 1.8197
Properties of Nd:YAG at 25°C (at 1.0% Nd)
- Formula: Y2.97Nd0.03AI5O12
- Weight % Nd: 0.725
- Nd Atoms / cm3: 1.38 x 1020
- Wavelength: 1.064 mm
- Transition: 4F3/2 — 4I11/2
- Fluorescent Lifetime: 230 µsec
- Thermal Conductivity: 0.14 W cm-1 K-1
- Specific Heat: 0.59 Jg-1 K-1
- Thermal Expansion: 6.9 x 10-6°C-1
- dn / dt: 7.3 x 10-6°C-1
- Young’s Modulus: 3.17 x 104 Kg / mm-2
- Poisson Ratio: 0.25
- Thermal Shock Resistance: 790 Wm-1
Room Temperature Transitions
- 1.052um 46%
- 1.062um 92%
- 1.064um 100%
- 1.065um 50%
- 1.074um 65%
- 1.078um 34%
- 1.105um 9%
- 1.112um 49%
- 1.116um 46%
- 1.123um 40%
- 1.319um 34%
The precentage shown are relative to 1.064nm.
Main Absorbtion Peaks
- 590nm
- 750nm to 770nm
- 790nm to 820nm