Type1 Phase Matching AGS Crystals, 8mm*8mm*1mm

Silver Thiogallate (AGS) crystals have been shown to be efficient crystalline materials for nonlinear parameter interactions in the infrared spectral range. Its transparency ranges from 0.53 to 12 µm. Alfa Chemistry offers many types of AGS crystals.

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Catalog Number

ACMA00027407

Product Name

Type1 Phase Matching AGS Crystals, 8mm*8mm*1mm

Molecular Formula

AgGaS2

Melting Point

998 °C

Width

8 mm

Height

8 mm

Length

1 mm

DimensionTolerance

W±0.1mm/H±0.1mm/L±0.2mm

Theta(Θ)

39°

Phi(Φ)

45°

Coating

BBAR/BBAR @ 1.1-2.6 / 2.6-11 μm

Parallelism

<30 arcsec

Perpendicularity

<10 arcmin

Surface Quality

60-40 S-D

ClearAperture

>85%

Crystal Structure

Tetragonal, 42m

Lattice Parameters

a = 5.742 Å, c = 10.26 Å

Optical Symmetry

Negative uniaxial (no > ne, λ < 0.497 μm ne > no)

Density

4.58 g/cm³

Transparency Region

0.47 - 13 µm @”0“ transmittance level

Refractive Indices

no = 2.3471; ne = 2.2914 @ 10.6321 µm

Walk Off Angle

0.85 deg at 5.3 µm

Expansion Coefficient

(Thermal expansion coefficient) 1.4 (||c) Wm-1K-1, 1.5 (⊥ c) Wm-1K-1

Sellmeier Equations

no² = 5.79419 + 0.23114/(λ² - 0.06882) - 2.4534 × 10^-3 λ² + 3.1814 × 10^-7 λ⁴ - 9.7051 × 10^-9 λ⁶; ne² = 5.54120 + 0.22041/(λ² - 0.09824) - 2.5240 × 10^-3 λ² + 3.6214 × 10^-7 λ⁴ - 8.3605 × 10^-9 λ⁶

Moh'sHardness

3-3.5

MSDS

COA

Spec Sheet

Features And Benefits

The crystal has high nonlinear coefficient, high damage threshold and wide transmission range. It also exhibits low light absorption and scattering, and low wavefront distortion. AgGaS2 has the highest quality factor for nonlinear interactions in the near-infrared and deep-infrared.

Application

1. Mixing in the mid-IR region from 4.0 to 18.3 µm 2. Second harmonic generation and upconversion of CO2 lasers 3. Tunable OPOs for Solid-State Lasers

• Catalog Number: ACMA00027407
• Product Name: Type1 Phase Matching AGS Crystals, 8mm*8mm*1mm
• Molecular Formula: AgGaS2
• Melting Point: 998 °C
• Width: 8 mm
• Height: 8 mm
• Length: 1 mm
• DimensionTolerance: W±0.1mm/H±0.1mm/L±0.2mm
• Theta(Θ): 39°
• Phi(Φ): 45°
• Coating: BBAR/BBAR @ 1.1-2.6 / 2.6-11 μm
• Parallelism: <30 arcsec
• Perpendicularity: <10 arcmin
• Surface Quality: 60-40 S-D
• ClearAperture: >85%
• Crystal Structure: Tetragonal, 42m
• Lattice Parameters: a = 5.742 Å, c = 10.26 Å
• Optical Symmetry: Negative uniaxial (no > ne, λ < 0.497 μm ne > no)
• Density: 4.58 g/cm³
• Transparency Region: 0.47 - 13 µm @”0“ transmittance level
• Refractive Indices: no = 2.3471; ne = 2.2914 @ 10.6321 µm
• Walk Off Angle: 0.85 deg at 5.3 µm
• Expansion Coefficient: (Thermal expansion coefficient) 1.4 (||c) Wm-1K-1, 1.5 (⊥ c) Wm-1K-1
• Sellmeier Equations: no² = 5.79419 + 0.23114/(λ² - 0.06882) - 2.4534 × 10^-3 λ² + 3.1814 × 10^-7 λ⁴ - 9.7051 × 10^-9 λ⁶; ne² = 5.54120 + 0.22041/(λ² - 0.09824) - 2.5240 × 10^-3 λ² + 3.6214 × 10^-7 λ⁴ - 8.3605 × 10^-9 λ⁶
• Moh'sHardness: 3-3.5