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Factory source Bk-7 - Nd:YAG Crystal – WISOPTIC

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Factory source Bk-7 - Nd:YAG Crystal – WISOPTIC Detail:

Nd:YAG (Neodimium Doped Yttrium Aluminum Garnet) has been and continue to be the most widely used laser crystal for solid-state lasers. Good fluorescence lifetime (twice more than that of Nd:YVO4) and thermal conductivity, as well as robust nature, make Nd:YAG crystal very suitable for high-power continuous wave, high-energy Q-switched and single mode operations.

WISOPTIC provides Nd:YAG rods with the following features: different doping levels, high optical homogeneity, high processing accuracy, precise barrel grooving and wedge angle, various end cuts, various dielectric coatings, high damage threshold.

Contact us for the best solution for your application of Nd:YAG crystals.

WISOPTIC Capabilities – Nd:YAG

• Various options of Nd-doping ratio (0.1%~1.3at%)

• Various options of rods or slabs (flat, wedged, Brewster, grooved, etc)

• High optical homogeneity

• High processing accuracy

• High quality coating, high damage threshold

• Very competitive price, quick delivery

WISOPTIC Standard Specifications* - Nd:YAG

Standard Doping Ratio Nd%=0.1%~1.3at%
Orientation <111> or <100> or <110>
Orientation Tolerance +/-0.5°
Dimensions Diameter: 2~15 mm, Length: 3~220 mm
Dimension Tolerance Diameter (±0.05)×Length (±0.5) mm
Barrel Finish Ground with 400# grit, or polished
Flatness < λ/10 @ 632.8 nm
Surface Quality < 10/5 [S/D]
Parallelism < 10”
Perpendicularity ≤ 5′
Chamfer 0.15 ± 0.025mm @ 45°
TransmittedWavefront Distortion < λ/10 @ 632.8 nm
Clear Aperture > 90% central area
Extinction Ratio > 30 dB
Coating AR-Coating: R<0.10% @1064nm
Laser Damage Threshold > 800 MW/cm2 for 1064nm, 10ns, 10Hz (AR-coated)
* Products with special requirement upon request.

Nd-YAG-1
Nd-YAG-8
Nd-YAG-2

DOWNLOAD Technical Data – Nd-YAG


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Main Features - Nd:YAG

• High gain, low threshold, high efficiency

• Homogeneous distribution of Nd with subtle concentration gradient

• High thermal conductivity, high thermal shock resistance

• High homogeneity, low wavefront distortion

• High optical quality, low single pass loss (especially at 1064nm)

• Various modes of operation (CW, pulsed, Q-switched, mode locked)

Physical Properties – Nd:YAG

Chemical formula Y3-3xNd3xAl5O12 (x=Nd doping ratio)
Crystal structure Cubic
Lattice constants 12.01 Å
Density 4.55 g/cm3
Rupture stress 1.3~2.6×103 kg/cm2
Melting point 1970 °C
Mohs hardness 8~8.5
Thermal conductivity 14 W/(m·K) @20°C, 10.5 W/(m·K) @100°C
Thermal expansion coefficients 7.8×10-6 /K @<111>, 7.7×10-6 /K @<110>,
8.2×10-6 /K @<100>
Thermal shock resistance 790 W/m

Optical Properties – Nd:YAG

Laser transition

4F3/2 → 4I11/2 @ 1064 nm

Photon energy

1.86×10-19 J

Emission linewidth

4.5Å @ 1064 nm

Stimulated emission cross-section

2.7~8.8×10-19 /cm2 @ Nd%=1.0at%

Loss coefficients

0.003 /cm @ 1064 nm

Fluorescence lifetime

230 µs @ 1064 nm

Refractive index

1.818 @ 1064 nm

Pump wavelength

807.5 nm

Absorption band at pump wavelength

1 nm

Polarized emission

Unpolarized

Thermal birefringence

High


Product detail pictures:

Factory source Bk-7 - Nd:YAG Crystal – WISOPTIC detail pictures

Factory source Bk-7 - Nd:YAG Crystal – WISOPTIC detail pictures

Factory source Bk-7 - Nd:YAG Crystal – WISOPTIC detail pictures

Factory source Bk-7 - Nd:YAG Crystal – WISOPTIC detail pictures


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We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for Factory source Bk-7 - Nd:YAG Crystal – WISOPTIC, The product will supply to all over the world, such as: Japan, Swedish, Kuwait, We are committed to meet all your needs and solve any technical problems you may encounter with your industrial components. Our exceptional products and vast knowledge of technology makes us the preferred choice for our customers.
  • This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Paula from Grenada - 2018.12.25 12:43
    The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
    5 Stars By Rebecca from Kenya - 2018.05.22 12:13

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