Parameter

Specs

Angle tolerance:

Δθ< ± 0.5°; Δφ< ±0.5°

Dimensional Tolerance:

(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2/-0.1mm)

Flatness:

<L/8 at 633nm                

Surface Quality(S/D):

10/5 before coating,  20/10 after coated

Parallelism:

< 20 arc seconds

Perpendicularity:

< 5 arc minutes

Wavefront Distortion:

<L/8 at 632.8nm                

Clear Aperture:

Central 95%

Bevel (leg width):

<0.15mm x 45degree                

Coating:

1.AR@1064nm R<0.1%
2.AR@1064nm R< 0.1% & HT@808nm T>95%
3.HR@1064nm R>99.8% & HR@532nm R>99% & HT@808nm T>95%

Mount:

Black Anodized Aluminium

Atomic Density

~1.37x1020 atoms/cm2

Crystal Structure

Zircon Tetragonal, space group D4h, a=b=7.12, c=6.29

Density

4.22 g/cm3

Mohs Hardness

Glass-like, ~5

Thermal Expansion Coefficient

aa=4.43x10-6/K, ac=11.37x10-6/K

Thermal Conductivity Coefficient

||C: 5.23 W/m/K; ^C: 5.10 W/m/K

Lasing Wavelengths

914nm, 1064 nm, 1342 nm

Crystal Class

positive uniaxial, no=na=nb ne=nc
no=1.9573, ne=2.1652, @ 1064nm
no=1.9721, ne=2.1858, @ 808nm
no=2.0210, ne=2.2560, @ 532nm

Thermal Optical Coefficient

dna/dT=8.5x10-6/K, dnc/dT=3.0x10-6/K

Stimulated Emission Cross-Section

25.0x10-19 cm2 , @1064 nm

Fluorescent Lifetime

90μs(about 50μs for 2 atm% Nd doped) @ 808 nm

Absorption Coefficient

31.4 cm-1 @ 808 nm

Absorption Length

0.32 mm @ 808 nm

Intrinsic Loss

Less 0.1% cm-1 , @1064 nm

Gain Bandwidth

0.96 nm (257 GHz) @ 1064 nm

Polarized Laser Emission

p parallel to optic axis (c-axis)

Diode Pumped Optical to Optical Efficiency

> 60%

.Service 01

Inspection

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