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Nd:YAG

Nd:YAG is the earliest and most famous laser host crystal, and it has been widely used laser crystal for solid-state laser.

Since it combines great advantages in many basic properties, Nd:YAG is the ubiquitous presence for near-infrared solid-state lasers and their frequency-doubler, tripler, and higher order multiplier.

Featured

High gain, High efficiency, Low threshold, Low loss at 1.06 µm

Good thermal conductivity and thermal shock characteristics

Mechanical strength, High optical quality

Various modes of operation (CW, pulsed, Q-switched, mode locked)



Optical Parameter of Nd:YAG crystal

Diameter (mm)

Standard grade

Excellence grade

Superexcellence grade

φ3-6.35

≤0.5 fringes/ inch

≤0.25 fringes/ inch

≤0.1 fringes/ inch

≥25dB

≥28dB

≥30dB

φ7-10

≤0.7 fringes/ inch

≤0.4 fringes/ inch

≤0.16 fringes/ inch

≥22dB

≥25dB

≥28dB

φ11-13

≤1 fringes/ inch

≤0.6 fringes/ inch

≤0.2 fringes/ inch

≥20dB

≥23dB

≥26dB

φ14-16

≤1.2 fringes/inch

≤0.8 fringes/inch

≤0.25 fringes/inch

≥18dB

≥20dB

≥23dB

 


Specifications

Nd Dopant Level

0.3-2 atm%

Orientation

<111> crystalline direction (±0.5deg)

Dimension Tolerances

Diameter: ±0.05mm

Length: ±0.5mm

Wavefront Distortion

λ/[email protected]

Surface Flatness

λ/[email protected]

Parallelism

<10 arc seconds

Perpendicularity

<5 arc minutes

Surface Quality

10/5 Scratch and Dig

Clear Aperture

>95%

Chamfer

<0.1mmx45°

AR Coating

Reflectivity R<0.25%@1064 nm per surface
Damage threshold over 750 MW/cm2@1064nm, 10 ns and 10 Hz

HR Coating

Standard R>99.8%@1064nm and R<5%@808nm, Other coatings are available per your request


Thread rod, slabs, Er:YAG,Yb:YAG, Ce:YAG, Cr:YAG, Tm:YAG,Ho:YAG and other ion doped YAG crystals are also available.




 
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