Nd:YAG


Nd:YAG using the Czochralski technique for use in industrial,medical and scientific applications

Classification:


Cryslaser grows Nd:YAG using the Czochralski technique for use in industrial,medical and scientific applications.

Cryslaser manufactures various finished laser rods with different sizes,slabs and wafers as well as supplying Nd:YAG blank or materials.

 

PRODUCT FEATURE

High gain

Low threshold

High efficiency

Low loss at 1.06um

Good thermal conductivity

High thermal shock characteristics

 

Specifications

 

Material

Nd:YAG

Concentration

0.1at%~2.5at%

Orientation

<111> or <100>±5°

Dimension

Diameter:1~50mm, Length:0.3~220mm (Customized available)

Dimension Tolerance

Φ:+0/-0.04mm,L:+0.5/-0mm

Perpendicularity

≤5′

Parallelism

≤10″

Chamfer

0.15±0.05mm

Clear Aperture

>95%

Scratch Quality

10/5(MIL-PRF-13830B) 

Barrel Finish

Fine Ground, Polishing, Grooving

Flatness

≤λ/10@632.8nm

Wavefront Distortion

≤λ/10 per inch@632.8nm

Extinction Ratio

≥30dB

Coating

ARcoating:R<0.15%@1064nm,R<0.5%@808nm,R<0.15%@532nm

PR coating :R=(10~90)%±2%@1064nm

HR coating:R>99.8%@1064nm,R>99.8%@808nm

Damage Threshold

≥1GW/cm2@1064nm,10ns,10Hz

 

Optical properties

Laser Transition

4F3/24I11/2

Laser Wavelength

1064nm

Photon Energy

1.86×10-19J@1064nm

Emission Line-width

4.5Å@1064nm

Emission Cross Section

2.7~8.8×10-19cm2@1at%Nd

Fluorescence Lifetime

230µs@1at%Nd

Absorption Wavelength of Diode Pumped

808nm

Pump Absorption Bandwidth

1nm

Main Pump Wavelength Range

400~850nm

 

Physical and Chemical Properties

Crystal Structure

Cubic

Melting Point

1970℃

Density 

4.56±0.04g/cm3

Specific Heat

0.59J/g.cm3@0~20℃

Elastic Modulus

310GPa

Young’s Modulus

3.17×104Kg/mm2

Mohs Hardness

8.5

Poisson’s Ratio

0.25

Thermal Expansion Coefficient

<111> orientation:7.8x10-6/K@0~250℃

<100> orientation:8.2x10-6/K@0~250℃

<110> orientation:7.7x10-6/K@0~250℃

Thermal Conductivity

14W/m/K@20°C

10.5W/m/K@100°C

Thermal Optical Coefficient

7.3 x 10-6/K

Refractive Index

1.82@1064nm

Stimulated Emission Cross Section(nm.cm-1)

2.8x10-19cm2 

Single Path Loss

0.003cm-1@1064nm

Keywords:

YAG

Previous:

Next:

Hot Products


Ask for a quote

*Note: Please be sure to fill in the information accurately and keep the communication open, we will contact you as soon as possible