Crystals Materials
Neodymium doped - Laser Rods for aerospace, medical, and industrial applications
laser-rods
  • Size: Upon customer request
  • Surface Quality: 10/5 Scratch/Dig MIL-O-1380A
  • Parallelism: < 10″
  • Perpendicularity: < 5'
  • Clear Aperture: > 90%
  • Surface Flatness: < λ/10 @ 632.8 nm
  • Coating: AR/HR/PR coating upon customer's request
  • Quality Warranty Period: One year
  • 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
    4F3/24I9/2 946 nm
    4F3/24I11/2 1064 nm
    4F3/24I13/2 1319 nm
    4F3/24I13/2 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
    4F3/24I11/2 1064 nm
    Emission cross section [10-19 cm2]
    1064 nm 2.7 ~ 8.8

    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
    4F3/24I11/2 1047 nm
    Emission cross section [10-19 cm2]
    1047 nm 1.5
    1053 nm 1.0

    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
    4F3/24I11/2 1064 nm
    Emission cross section [10-19 cm2]
    1064 nm 2.7 ~ 8.8

    Stock specification list

    If need other specifications and quantities products, please contact us(sales@aogcrystal.com).
    Part Number Face size Length Doping, atm.% Coating
    Nd-YAG-0801 Φ3.0 mm 60.0 mm 0.8 AR/AR@1064 nm
    Nd-Ce-YAG-001 Φ3.0 mm 20.0 mm 0.7 AR/AR 808+1053 nm
    Nd-YLF-001 Φ3.0 mm 10.0 mm 0.7 AR/AR 808+1053 nm
    Nd-YVO4-003 3.0*3.0 mm 4.0 mm 1.0 AR/AR@1064 + 808 nm

    Notes

  • Anti-reflection coatings are available at your specified wavelength.
  • Be sure to wear laser safety goggles when checking optical path and adjusting optical axis.
  • To inquiry or order a finished laser rods, please specify the specification listed above, for common application, we only need to know the main specification: Nd-dopant concentration, sizes, and coating. For special request, please specify specification in details for evaluation and fabrication.
  • Documents Download

    Get a quote

    You can get a quote, ask questions, order products via e-mail sales@aogcrystal.com. We will answer your email shortly.

    Frequently asked questions