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Lanthanum Gallium Silicate Crystal | LGS Crystal

HM2797

New product

Lanthanum Gallium Silicate Crystal (LGS) is a high-performance crystal with excellent thermal and mechanical properties. Due to its good longevity and effective heat dissipation, it is ideal for high-power laser systems, optical devices, and thermal management applications. Heeger Materials provides high-quality LGS crystals at competitive prices.

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Data sheet

Density5.754 g/cm³
Materials LGS
Melting Piont1470 ℃
Molecular FormulaLa3Ga3SiO14
SizeΦ2 inches, Φ3 inches, 10mm×10mm×0.5mm, 20mm×20mm×0.5mm or customized

More info

Lanthanum Gallium Silicate Crystal (LGS) is a high-performance crystal with excellent dielectric, elastic, and piezoelectric properties. With an electromechanical coupling coefficient 2-3 times greater than quartz, it is ideal for Surface Acoustic Wave (SAW) and Bulk Acoustic Wave (BAW) devices. LGS crystals also perform excellently in electro-optic Q-switch applications, with high thermal stability.

Lanthanum Gallium Silicate Crystal | LGS Crystal

Lanthanum Gallium Silicate Crystal Properties

Molecular Formula

La3Ga3SiO14

Crystal Structure

Trigonal System

Density

5.754 g/cm³

Melting Point

1470 °C

Mohs Hardness

6.6

Relative Dielectric Constant

ε₁₁/ε₀ = 19.2; ε₃₃/ε₀ = 50.7

Coefficient of Thermal Expansion

α₁₁ = 5.07×10⁻⁶ /K; α₃₃ = 3.60×10⁻⁶ /K

Piezoelectric Constant

e₁₁ = 0.43; e₂₂ = 0.1039

Lanthanum Gallium Silicate Crystal Specifications

Size

Φ2 inches

Φ3 inches

10mm×10mm×0.5mm

20mm×20mm×0.5mm

or customized

Thickness Tolerance

±0.02mm

Cutting Direction

X/Y/Z, (0, 138.5, 27) or customized, accuracy ±0.2°

Parallelism

<30″

Perpendicularity

<15′

Flatness

<λ/10@633nm

Chamfer

<0.1mm@45°

Surface Finish

10/5

Lanthanum Gallium Silicate Crystal Key Features

  • High thermal stability
  • Low equivalent series resistance
  • Electromechanical coupling coefficient 3-4 times higher than quartz

Lanthanum Gallium Silicate Crystal Transmittance Curve 

Lanthanum Gallium Silicate Crystal Transmittance Curve

Lanthanum Gallium Silicate Crystal Applications

  • Electro-optic Q-switches: Used in laser systems to control pulse duration and repetition rate for precise modulation.
  • Surface Acoustic Wave (SAW) Filters: Used in wireless communication and signal processing applications for frequency filtering.
  • Bulk Acoustic Wave (BAW) Filters: Employed in advanced communication systems for high-frequency filtering with low loss.
  • Resonators: Applied in oscillators and frequency control devices for high stability and precision.
  • Gyroscopes: Utilized in navigation systems for measuring angular velocity and providing accurate orientation data.

Lanthanum Gallium Silicate Crystal Packing And Shipping

Lanthanum Gallium Silicate (LGS) Crystal will be securely packaged in sturdy containers with cushioning materials to prevent movement or damage during shipping. This careful packaging ensures that the product arrives in perfect condition, maintaining its high-quality standards throughout delivery.

Lanthanum Gallium Silicate Crystal | LGS Crystal Packing

Where to Buy Lanthanum Gallium Silicate Crystal in Bulk?

Heeger Materials Inc., a professional supplier and manufacturer of high-quality Photoelectric Crystals including Lanthanum Gallium Silicate (LGS) Crystal, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors. 

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