Neodymium Doped Yttrium AIuminum Garnet Nd :YAG crystal WTS-C002

Product Features:

YAG Crystal

Neodymium Doped Yttrium AIuminum Garnet (Nd: YAG) Crystal

Form: YAG rod, windows,prisms etc

Business Terms:

Port: Fuzhou

Minimum Order Quantity: 1 Piece/Pieces Upon requirement

Supply Ability: 1,000 Piece/Pieces per Month Upon requirement

Payment Terms: T/T

Contact Supplier

Specifications and Product Details:

YAG Crystal

Neodymium Doped Yttrium AIuminum Garnet (Nd: YAG) Crystal
Nd: YAG crystal is the most widely used solid-state laser material today. Now, we are able to stably supply quantity of Nd: YAG rods with high optical homogeneity, consistent performance, high processing accuracy and on time delivery.

1. Basic Properties (1.0 atm% Nd doped)

Chemical Formula	Nd:Y₃Al₅O₁₂
Crystal Structure	Cubic
Lattice Constants	12.01 Å
Concentration	~ 1.2 x 10²⁰cm^-3
Melting Point	1970^oC
Density	4.56 g/cm³
Mohs Hardness	8.5
Refractive Index	1.82
Thermal Expansion Coefficient	7.8 x 10^-6/K [111], 0 - 250^oC
Thermal Conductivity	14 W/m /K @20^oC, 10.5 W /m /K @100^oC.
Lasing Wavelength	1064 nm
Stimulated Emission Cross Section	2.8x10^-19cm^-2
Relaxation Time of Terminal Lasing Level	30 ns
Radiative Lifetime	550 ms
Spontaneous Fluorescence	230 ms
Loss Coefficient	0.003 cm^-1@ 1064 nm
Effective Emission Cross Section	2.8 x 10^-19cm²
Pump Wavelength	807.5 nm
Absorption band at pump wavelength	1 nm
Linewidth	0.6 nm
Polarized Emission	Unpolarized
Thermal Birefringence	High

2. Standard Products specification

Dopant Concentration (atomic %): 0.9%~ 1.1%

Orientation: <111> crystalline direction (±5^o)

Wavefront distortion:l/8 per inch, measured by a double-pass interferometer @ 633 nm

Extinction Ratio:
Rods with diameter from 3 mm to 6.35 mm and with length to 100 mm:>30dB
Rods with diameter from 7 mm to 10 mm and with length to 100 mm:>28dB

Dimension Tolerances
Rods with diameter: ±0.025 mm (±0.001"), Length: ±0.5 mm (±0.02")
Barrel Finish:50 80 micro-inch (RMS) , grooved rod barrel are also available

Ends Finish:
Surface Figure: <l/10 @ 633 nm
Parallelism: < 10 arc seconds
Surface quality:< 5 arc minutes
Clear Aperture: > 10/5 Scratch / Dig per MIL-O-1380A
chamfer:<0.1 mm @ 45°
clear Aperture: extend over the entire faces to the chamfered edges

Anti-Reflection Coating:
Single layer MgF2 coating with high damage threshold for high power laser operation. Reflectivity R < 0.25% @ 1064 nm per surface. Damage threshold over 750 MW/cm2@ 1064nm, 10 ns and 10 HZ.

High-Reflection Coating:
Standard HR coating with R>99.8% @ 1064nm and R<5% @ 808nm can be performed in WTS. Other HR coatings, such as HR @ 1064/532 nm, HR @ 946nm, HR 1319 nm and other wavelengths are also available.

Standard products in-stock:
The standard Nd: YAG laser rod with dimension of f3x5 mm and f4x50 mm with AR or HR- coating for Diode Pumped Solid State Lasers (DPSS) are ready for immediate delivery. For more information about standard Nd: YAG rods please refer to page 62 of Diode Pumped Laser Optics Kits.