AdvatechUK

Neodymium phosphate glasses are widely used in high average power laser applications such as laser welding and laser range finders (LRF). Advatech offers Nd:Glass with a range of doping levels - 0.7%, 3.0% and 4.0%.





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Neodymium:Glass Laser Rods


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Laser / Optical Properties

Units

Value

Cross-section for Stimulated Emission

10‾²º cm²

4

Fluorescent Lifetime

ms

0.34

Center Lasing Wavelength

nm

1059

Refractive Index (n) @ 1053 nm


1.528

Refractive Index (nd) @ 589 nm


1.5357

Abbe Value


66.2

dn/dT (20~100ºC)

 10‾⁶/ºC

-4.3

Thermal Coeff. of Optical Path Length (20~100ºC)

10‾/ºC

TBA

Physical / Thermal Properties

Units

Value

Transformation Temperature

ºC

430

Softening Temperature

ºC

475

Thermal Conductivity (@ 25ºC)

W/cm. ºK

5.58

Coeff. of Linear Thermal Expansion (20~100ºC)

 10‾/ºC

10.7

Coeff. of Linear Thermal Expansion (100~300ºC)

10‾/ºC

95

Density  

g/cm³

2.83

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

μg/hr.cm²

TBA

Neodymium:Glass Properties