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Ce:Nd:YAG
Nd:Ce:YAG is an excellent laser material used for no-water cooling and miniature laser systems.
Advantages of Nd:Ce:YAG Crystals are:
High efficiency;
Low threshold;
Good anti-UV irradiation property;
Good thermal stability;
High optical quality.
1.Main Specifications

 Dopant concentration:

 Nd:1.1¡«1.4at%, Ce:0.05¡«0.1at%

 Orientation:

 [111] within 5¡ã

 Wavefront Distortion:

 ¡ÜLambda/8 @632.8nm

 Extinction Ratio:

 ¡Ý28 dB

 Rod Sizes:

  Upon request of customer

 Dimensional Tolerances:

 Diameter:+0.00/-0.05mm,
 Length: ¡À 0.5mm

 Barrel Finish:

 Ground Finish: 400# Grit

 Parallelism:

 ¡Ü15" Arc Second

 Perpendicularity:

 ¡Ü5¡ä Arc Minute

 Flatness:

 ¡ÜLambda/10 @632.8nm

 Surface Quality:

 10/5 Scratch/Dig. (per MIL-O-13830A)

 Chamfer:

 <0.1 mm @ 45¡ã

 AR Coating Reflectivity:

 ¡Ü 0.25% (@1064nm)

 
2. Optical and Spectral Properties

 Laser Transition

 4F3/2--> 4I11/2

 Laser Wavelength

 1.064¦Ìm

 Photon Energy

 1.86¡Á10-19J@1.064¦Ìm

 Emission Linewidth

 4.5Å @1.064¦Ìm

 Emission Cross Section(Nd1at%)

 2.7~8.8¡Á10-19cm-2

 Fluorescence Lifetime (Nd1at%)

 230¦Ìs

 Index of Refraction

 1.8197@1064nm

 
3.Physical and Chemical Properties

 Crystal Structure

 Cubic

 Lattice Parameters

 12.01Å

 Melting Point

 1970¡æ

 Moh Hardness

 8.5

 Density

 4.56¡À0.04g/cm3

 Specific Heat (0-20)

 0.59J/g.cm3

 Modulus of Elasticity

 310GPa

 Young's Modulus

 3.17¡Á104Kg/mm2

 Poisson Ratio

 0.3(est.)

 Tensile Strength

 0.13~0.26GPa

 Thermal Expansion Coefficient

 [100]Direction:8.2¡Á10-6/¡æ(0~250¡æ)

 [110]Direction:7.7¡Á10-6/¡æ(0~250¡æ)

 [111]Direction:7.8¡Á10-6/¡æ(0~250¡æ)

 Thermal Conductivity

 14W/m/K(@20¡æ)

 10.5W/m/K(@100¡æ)

 Thermal Optical Coefficient (dn/dT)

 7.3¡Á10-6/¡æ

 Thermal Shock Resistance

 790W/m

 Solubility

 Water:Insoluble;
 Common Acids:Slightly