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:

* Protective coating is required to prevent polished surfaces from fogging.

* Anti-reflective coating should be considered if low reflectivity is required.

Mount:

Black Anodized Aluminium

Crystal structure

Orthorhombic, point group mm2

Melting point

1172°C incongruent

Cell parameters

a=6.404Ä, b=10.616Ä, c=12.814Ä, Z=8

Curie point

936°C

Mohs hardness

~5

Density

3.01 g/cm3

Color

colorless

Hygroscopic susceptibility

no

Specific heat

0.1643 cal/g.°C

Thermal conductivity

0.13 W/cm/°K

Electrical conductivity

3.5x10-8s/cm (c-axis, 22°C, 1KHz)

Transmitting range

350nm~4500nm

Refractive indices

-

nx

ny

nz

1064nm

1.7377

1.7453

1.8297

532nm

1.7780

1.7886

1.8887

Absorption coefficients

a &#60; 1%/cm @1.064µ m and 0.532µ m

Phase matchable range

0.984 - 3.4 µ m

Therm-optic coefficients

dnx/dT=1.1x10-5/°C, dny/dT=1.3x10-5/oC, dnz/dT=1.6x10-5/°C

Nonlinear optical coefficients

d31=2.54pm/V, d32=4.35pm/V, d33=16.9pm/V
d24=3.64pm/V, d15=1.91pm/V at 1.064 mm
deff(II)≈ (d24- d15)sin2φsin2θ - (d15sin2φ + d24cos2φ)sinθ

Electro-optic coefficients

-

Low frequency(pm/V)

High requency(pm/V)

γ13
γ23
γ33
γ51
γ42

9.5
15.7
36.3
7.3
9.3

8.8
13.8
35.0
6.9
8.8

Dielectric constant

eeff=13

.Service 01

Inspection

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