THG@1064nm LBO Crystals, 3mm*3mm*10mm

Lithium triborate (LBO) is a nonlinear optical crystal, which has the characteristics of wide light transmission range, wide acceptance angle, small walk-off angle, and the highest damage threshold among ordinary nonlinear crystals. Alfa Chemistry can supply all types of LBO crystals required.

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Catalog Number

ACMA00027364

Product Name

THG@1064nm LBO Crystals, 3mm*3mm*10mm

Molecular Formula

LiB3O5

Width

3 mm

Height

3 mm

Length

10 mm

DimensionTolerance

W±0.1mm/H±0.1mm/L±0.2mm

Theta(Θ)

44.2°

Phi(Φ)

90°

Coating

AR/AR @ 1064 + 532/355 nm

Flatness

λ/8 @ 633 nm

Parallelism

< 20 arcsec

Perpendicularity

< 5 arcmin

Angle Tolerance

< 30 arcmin

ApertureTolerance

± 0.1 mm

Surface Quality

10/5 scratch & dig

ClearAperture

90% of full aperture

Crystal Structure

orthorhombic, mm2

Lattice Parameters

a = 8,46 Å, b = 7,38 Å , c = 12,717 Å

Optical Symmetry

Negative biaxial

Space Group

Pna21

Density

2.47 g/cm³

Optical Homogeneity

∂n = 10^-6 cm^-1

Transparency Region

(at “0” transmittance level) 155～3200 nm

Absorption Coefficient

<0.1%/cm (at 1064 nm)

Refractive Indices

at 1064 nm, nx=1.5656, ny=1.5905, nz=1.6055 at 532 nm, nx=1.5785, ny=1.6065, nz=1.6212 at 355 nm, nx=1.5971, ny=1.6275, nz=1.6430

Phase Matching Range

Type 1 SHG, 554~2600 nm Type 2 SHG, 5790~2150 nmnm

Walk Off Angle

7 mrad (Type 1 SHG 1064 nm)

Angular Acceptance

6.4 K×cm (Type 1 SHG 1064 nm)

Thermal Acceptance

6.5 mrad×cm (Type 1 SHG 1064 nm) 248 mrad×cm (Type 1 NCPM SHG 1064 nm)

NLO Coefficients

(at 1064nm) d31 = (1.05±0.09) pm/V, d32 = -(0.98±0.09) pm/V, d33 = (0.05±0.006) pm/V

Effective NLO Expressions

XY plane, dooe = d32 cosφ YZ plane, doeo = deoo = d31 cosθ

Expansion Coefficient

(Thermal expansion coefficient) αx = 10.8 × 10^-5K^-1 αy = -8.8 × 10^-5K^-1 αz = 3.4 × 10^-5K^-1

Sellmeier Equations

nx²=2.4542+0.01125/(λ²-0.01135)-0.01388 λ² ny²=2.5390+0.01277/(λ²-0.01189)-0.01849 λ²+4.3025×10^-5λ⁴-2.9131×10^-5λ⁶ nz²=2.5865+0.01310/(λ²-0.01223)-0.01862 λ²+4.5778×10^-5λ⁵-3.2526×10^-5λ⁶

Moh'sHardness

6

MSDS

COA

Spec Sheet

Features And Benefits

LBOs have several unique properties: 1. Wide transparent area 2. Wide Type 1 and Type 2 Non-Critical Phase Matching (NCPM) Range 3. Small walk-off angle 4. High damage threshold 5. Wide acceptance angle 6. High optical uniformity

Application

The most common applications include high-power near-infrared wavelength second-harmonic generation, sum-frequency generation for visible-UV laser generation, and optical parametric oscillators for wide tuning in the visible and near-infrared.

• Catalog Number: ACMA00027364
• Product Name: THG@1064nm LBO Crystals, 3mm*3mm*10mm
• Molecular Formula: LiB3O5
• Width: 3 mm
• Height: 3 mm
• Length: 10 mm
• DimensionTolerance: W±0.1mm/H±0.1mm/L±0.2mm
• Theta(Θ): 44.2°
• Phi(Φ): 90°
• Coating: AR/AR @ 1064 + 532/355 nm
• Flatness: λ/8 @ 633 nm
• Parallelism: < 20 arcsec
• Perpendicularity: < 5 arcmin
• Angle Tolerance: < 30 arcmin
• ApertureTolerance: ± 0.1 mm
• Surface Quality: 10/5 scratch & dig
• ClearAperture: 90% of full aperture
• Crystal Structure: orthorhombic, mm2
• Lattice Parameters: a = 8,46 Å, b = 7,38 Å , c = 12,717 Å
• Optical Symmetry: Negative biaxial
• Space Group: Pna21
• Density: 2.47 g/cm³
• Optical Homogeneity: ∂n = 10^-6 cm^-1
• Transparency Region: (at “0” transmittance level) 155～3200 nm
• Absorption Coefficient: <0.1%/cm (at 1064 nm)
• Refractive Indices: at 1064 nm, nx=1.5656, ny=1.5905, nz=1.6055 at 532 nm, nx=1.5785, ny=1.6065, nz=1.6212 at 355 nm, nx=1.5971, ny=1.6275, nz=1.6430
• Phase Matching Range: Type 1 SHG, 554~2600 nm Type 2 SHG, 5790~2150 nmnm
• Walk Off Angle: 7 mrad (Type 1 SHG 1064 nm)
• Angular Acceptance: 6.4 K×cm (Type 1 SHG 1064 nm)
• Thermal Acceptance: 6.5 mrad×cm (Type 1 SHG 1064 nm) 248 mrad×cm (Type 1 NCPM SHG 1064 nm)
• NLO Coefficients: (at 1064nm) d31 = (1.05±0.09) pm/V, d32 = -(0.98±0.09) pm/V, d33 = (0.05±0.006) pm/V
• Effective NLO Expressions: XY plane, dooe = d32 cosφ YZ plane, doeo = deoo = d31 cosθ
• Expansion Coefficient: (Thermal expansion coefficient) αx = 10.8 × 10^-5K^-1 αy = -8.8 × 10^-5K^-1 αz = 3.4 × 10^-5K^-1
• Sellmeier Equations: nx²=2.4542+0.01125/(λ²-0.01135)-0.01388 λ² ny²=2.5390+0.01277/(λ²-0.01189)-0.01849 λ²+4.3025×10^-5λ⁴-2.9131×10^-5λ⁶ nz²=2.5865+0.01310/(λ²-0.01223)-0.01862 λ²+4.5778×10^-5λ⁵-3.2526×10^-5λ⁶
• Moh'sHardness: 6