A leading manufacturer of Crystal Material in China, AOG CRYSTAL offers a wide range of solid-state laser crystal included a full range of laser rods and slabs based on YAG or YLF crystals: Nd:YAG, Yb:YAG, Er:YAG and Tm:YAG laser crystals, as well as
Nd:YLF and Nd:YVO4 laser crystals.
Nd:YAG Laser Rods are used in a variety of applications, including cutting and welding of metals, medical procedures such as laser eye surgery and dental procedures, and scientific research. They are also used in military applications such as range finding
and target designation.
Nd:YAG Rods (Neodymium doped yttrium aluminum garnet, Nd:Y3Al5O12) Material properties
| Material |
Nd:Y3Al5O12 |
| Doping Levels |
0.1 ~ 2.5atm% |
| Size |
3 mm ~ 150 mm or Upon customer request |
| Crystal structure |
cubic |
| Unit cell dimensions |
ac=1.201 nm |
| Refractive index at 1064 nm |
1.816 |
| Thermal expansion coefficient |
7.8 x 10-6/K |
| Thermal conductivity |
11 W/m/K |
| Density |
4.56 g/cm3 |
| Hardness by Mohs |
8.25 |
| Fluorescent lifetime (1% Nd) |
235 µs |
| Linear dispersion δn/δT [10-6K-1] |
9.86 |
| Pump wavelength |
808 nm |
| Laser wavelengths |
| 4F3/2→4I9/2 |
946 nm |
| 4F3/2→4I11/2 |
1064 nm |
| 4F3/2→4I13/2 |
1319 nm |
| 4F3/2→4I13/2 |
1444 nm |
|
| Emission cross section [10-19 cm2] |
| 1064 nm |
1319 nm |
1444 nm |
| 3.8 |
0.95 |
0.45 |
|
Nd:Ce:YAG laser rods is an excellent laser crystal for water-free and air-cooled solid lasers, and is widely used in small laser rangefinders and laser medical instruments.
Nd:Ce:YAG Rods Material properties
| Material |
Nd:Ce:Y3Al5O12 |
| Doping Levels |
Nd:0.1~1.4at%, Ce:Nd=1:10 |
| Size |
Diameter: 8mm max and Length: 80mm max |
| Crystal structure |
cubic |
| Unit cell dimensions |
ac=1.201 nm |
| Refractive index at 1064 nm |
1.819 |
| Thermal expansion coefficient |
1.5 x 10-6/K |
| Thermal conductivity |
11.7 W/m/K |
| Density |
4.56 g/cm3 |
| Mohs Hardness |
8.5 |
| Fluorescent lifetime (1% Nd) |
230 µs |
| Linear dispersion δn/δT [10-6K-1] |
7.3 |
| Pump wavelength |
808 nm |
| Laser wavelengths |
|
| Emission cross section [10-19 cm2] |
|
Nd3+:YLF laser rods is the high UV transparency laser crystals, which is favorable for pumping with xenon flashlamps.
Nd:YLF Rods Material properties
| Material |
Nd:LiYF4 |
| Doping levels |
0.1% ~ 3 atm% |
| Size |
Diameter: 8mm max and Length: 120mm max |
| Crystal structure |
Tetragonal |
| Unit cell dimensions |
a=5.16 Å , c=10.85 Å |
| Refractive index at 1064 nm |
no=1,448 ne=1,470 |
| Thermal expansion coefficient |
8 x 10-6/K |
| Thermal conductivity |
0.063 W/cm/K |
| Density |
3.99 g/cm3 |
| Mohs Hardness |
4~5 |
| Fluorescent lifetime (1% Nd) |
230 µs |
| Linear dispersion δn/δT [10-6K-1] |
4,6 |
| Pump wavelength |
792 nm |
| Laser wavelengths |
|
| Emission cross section [10-19 cm2] |
|
Nd:YVO4 laser rods has much higher absorption and emission cross-sections, a broader gain bandwidth and wavelength range for pumping, a shorter upper-state lifetime, a higher refractive index, thus it is characterized
by a lower thermal conductivity.
Nd:YVO4 Rods Material properties
| Material |
Nd:YVO4 (Yttrium orthovanadate) |
| Doping Levels |
0.07 ~ 3 atm% |
| Size |
Diameter: 8mm max and Length: 80mm max |
| Crystal structure |
Zircon Tetragonal |
| Lattice constant |
a = b = 7.119 Å, c = 6.290 Å |
| Refractive index at 1064 nm |
n0=1,96, ne=2,17 |
| Thermal expansion coefficient |
11 x 10-6/K |
| Thermal conductivity |
5 W/m/K |
| Density |
4.22 g/cm3 |
| Mohs Hardness |
5 |
| Fluorescent lifetime (1% Nd) |
230 µs |
| Linear dispersion δn/δT [10-6K-1] |
3,0 |
| Pump wavelength |
808 nm |
| Laser wavelengths |
|
| Emission cross section [10-19 cm2] |
|
