AdvatechUK

Laser / Optical Properties

Units

Value

Laser Wavelengths

nm

947, 1064, 1319

Emission Linewidth

nm


Absorption Band Peak

nm

807.5

Absorption Bandwidth

nm

1

Emission Cross-section (@532nm)

10‾²º cm²

65

Fluorescent Lifetime (1.1% doping)

µs

230

Absorption Coefficient @810nm

cm‾¹

7.1

Intrinsic Loss @1064nm

cm‾¹

<0.003

Refractive Index (n) @ 1050nm


1.448

Nonlinear Index N2



Abbe Value



Thermal Optical Coeff. (dn/dT) @1060nm

 10‾⁶/ºC

-4.3

Nd:YAG Laser - Availability


Physical / Thermal Properties

Units

Value

Chemical Formula


 LYF:Nd

Melting Point

ºC

1970

Thermal Expansion Coeff. @20ºC

 10‾⁶/ºC

8.3

Thermal Conductivity Coeff. @20ºC

W/m/ºK

15

Specific Heat

 J/g K

0.79

Chemical Durability (@100ºC weigh loss rate distilled water)   

μg/hr.cm²


Density  

g/cm³

4.5

Durability Knoop Hardness

kgf/mm²


Mohs Hardness


8.5

Young's Modulus

10³  N/mm²


Poisson's Ratio



Damage Threshold (1ns)

J/cm³


Nd:YAG Laser Rod Properties


                      

  








Neodymium:Yttrium Aluminium Garnet (Nd:YAG) is one of the most widely used lasing media, lasing at wavelengths - 947, 1064 and 1319nm and with a pumping wavelength of 807.5nm. Nd:YAG is versatile and is used across a broad range of applications.


Key strengths of Nd:YAG:









 Request Quote



 





 Return to Photonics



 





Nd:YAG Laser Rods


)