AdvatechUK

Laser / Optical Properties

Units

Value

Laser Wavelengths

nm

2150 - 2600

Emission Linewidth

nm

<1

Absorption Band Peak

nm


Absorption Bandwidth

nm


Emission Cross-section (@1064nm)

10‾²º cm²


Fluorescent Lifetime

µs


 Absorption Coefficient @808nm

cm‾¹


Intrinsic Loss @1064nm

cm‾¹

<0.003

Refractive Index (n) @ 1650nm


2.455

Thermal Optical Coeff. (dn/dT) @nm

 10‾⁶/ºC

61

Cr:ZnSe Laser - Availability


Physical / Thermal Properties

Units

Value

Chemical Formula


ZnSe:Cr

Melting Point

ºC

1520

Thermal Expansion Coeff. @20ºC

 10‾⁶/ºC

1.5

Thermal Conductivity Coeff. @20ºC

W/m/ºK

14

 Specific Heat

 J/g K

0.79

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

μg/hr.cm²


Density  

g/cm³

5.27

Durability Knoop Hardness

kgf/mm²

112

Mohs Hardness


8.5

Damage Threshold (1ns)

J/cm³


Chromium:Zinc Selenide (Cr:ZnSe) can be tuned to lase over a wavelength range of 1900 to 3300nm. Cs:ZnSe is highly efficiency and capable of being pumped by a wide range of sources. Cr:ZnSe is versatile and is used across a broad range of applications, especially to configure compact solutions.


Key strengths of Cr:ZnSe:









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Cr:ZnSe Laser Rods


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Cr:ZnSe Laser Rod Properties