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PRODUCT:  Yb:YAG

 

Introduction:
Yb:YAG crystal is one of the most promising laser-active materials and more suitable for diode-pumping then the traditional Nd doped systems, it can be pumped at 0.94μm laser output, and has advantages of high optical quality, high slope effiency, low fractional heating broad absorption bands. Compared with the commonly used Nd:YAG crystal, Yb:YAG crystal has a much larger absorption bandwidth to reduce thermal management requirements for diode lasers,a longer upper-state lifetime, three to four times lower thermal loading per unit pump power.

 

Specifications:

Doping(atm%):

1.0% ~ 25%

Orientation:

<111>+/-5°

Wavefront Distortion:

λ/10 per inch @ 632.8 nm

Dimension Tolerances: 

rods with diameter: +0.0/-0.05 mm , Length: +0.5/-0mm

Surface Quality:

10/5 Scratch/Dig MIL-O-1380A

Parallelism:

<10″

Perpendicularity:

<5′ 

Clear Aperture:

>90%

Surface Flatness:

<λ/10@ 632.8 nm

Chamfer:

<0.1mm @ 45o

Barrel Finish:

Fine ground, Polishing

Size

Upon customer request

Coating

AR/HR/PR@940nm or coating upon customer’s request

Damage Threshold

≥5J/cm2 10ns, 10Hz

Pump wavelength

940nm or 970nm


Applications:
High power diode-pumped lasers, high efficiency high average power LD pumped lasers etc.,



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