SPECIFICATIONS

Dimension Tolerance

(W±0.1mm)×(H±0.1mm)×(L+0.5/-0.1mm) (L≥2.5 mm)

(W±0.1mm)×(H±0.1mm)×(L+0.1/-0.1mm) (L＜2.5 mm)

Clear Aperture

Central 90% of the diameter

Surface Quality (Scratch/Dig)

10/5 to MIL-PRF-13830B

Flatness

≦ λ/6 @633 nm

Parallelism

20 arc sec

Perpendicularity

≦ 15 arc min

Angle Tolerance

Δθ≦0.25 °, ΔФ≦0.25 °

Chamfer

≦ 0.2 mm × 45 °

Chip

≦ 0.1 mm

Damage Threshold

＞300 MW/cm² @532 nm, 10 ns, 10 Hz (AR-Coated);

＞150 MW/cm² @266 nm, 10 ns, 10 Hz (AR-Coated);

Quality Warranty Period

One year under proper use.

CHEMICAL AND STRUCTURAL PROPERTIES

Crystal Structure

Tetragonal, Space group Ⅰ

Lattice Parameter

a=b=10.494 Å，c=8.939 Å

Symmetry

Z=4

Melting Point

About 844.5 ℃

OPTICAL AND NONLINEAR OPTICAL PROPERTIES

Transparency Range

180～2750 nm

Angle Acceptance

1.02 mrad·cm at 1064 nm, 0.49 mrad·cm at 532 nm，0.84 mrad·cm at 488 nm.

Temperature Acceptance

9.4℃·cm

Spectral Acceptance

7.03 nm·cm at 1064 nm, 0.13 nm·cm at 532 nm, 0.09 nm·cm at 488 nm

Walk-off Angle

1.78 °at 1064 nm, 1.83 °at 532 nm, 0.98 °at 488 nm

Effective NLO Coefficients

1.01 pm/V at 532 nm, 1.16 pm/V at 488 nm, 0.95 pm/V at 1064 nm

NLO Coefficients

deff (Ⅰ) = d36 sinθm sin(2 Ф)    

deff (Ⅱ) = d36 sin(2 θm) sin(2 Ф)  

Sellmeier Equations

(λ in μm)

CLBO at 20 ℃

no2 = 2.2104 + 0.01018 / (λ2 - 0.01424) - 0.01258 λ2

ne2 = 2.0588 + 0.00838 / (λ2 - 0.01363) - 0.00607 λ2

(0.1914 µm<λ<2.09 µm)