Yb:YAG laser crystal

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$1.00 - $1,000.00 / Pieces | 1 Piece/Pieces (Min. Order)
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Overview
Supply Ability
Supply Ability:
1000 Kilogram/Kilograms per Month
Packaging & Delivery
Packaging Details
box or vacuum
Port
FOB SH
Lead Time :
depend on what your need

 

Yb:YAG crystal is one of the most promising laser-active materials and more suitable for diode-pumping than the traditional nd-doped systems. It can be pumped at 0.94mm laser output. Compared with the commonly used Nd:YAG crystal, Yb:YAG crystal has a much larger absorption bandwidth to reduces thermal management requirements for diode lasers, a longer upper-state lifetime, three to four times lower thermal loading per unit pump power. Yb:YAG crystal is expected to replace Nd:YAG crystal for high power diode-pumped lasers and other potential applications.

 ATOM has recently developed a suitable technique to produce the Yb:YAG crystal High quality Yb:YAG crystals are available with different specifications.

 Main Advantages:

-         Very low fractional heating, less than < 11%

-         Very high slope efficiency

-         Broad absorption bands, about 18nm @ 940nm

-         No excited-state absorption or up-conversion

-         Conveniently pumped by reliable InGaAs diodes at 940nm (or 970nm)

-         High thermal conductivity and strength

 

Basic properties:

Chemical Formula

Yb:Y3Al5O12

Crystal Structure

Cubic

Lattice Constants

12.01

Melting Point

1970

Density

4.56 g/cm2

Mohs Hardness

8.5

Dopant

5~30% Yb

Thermal Expansion Coefficient

7.8´10-6 /K, [111], 0-250

Thermal Conductivity

14 W×s /m /K @ 20

Loss Coefficient

0.003 cm-1

Index of Refraction

1.82

dn/dT

9´10-6/

Lasing Wavelength

1030nm, 1050nm

Fluorescence lifetime

1.2ms

Emission cross section

2.2´10-20cm2

Pump Wavelength

0.9~1.0mm

Absorption band about pump wavelength

18nm

 Main Specification

Diameter Tolerance

+0.0,-0.1mm, ±0.05mm

Thickness Tolerance

±0.02mm(standard), ±0.01mm(special)

Three-dimensional Tolerance

±0.02x±0.03±0.02mm

Parallelism

<30

Flatness

λ/8

Perpendicularity

<10

Scratch-Dig

5-10 per MIL-O-13830a

Wavefront Distortion

<λ/2 per inch(λ@1064nm)

 

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