Bismuth Germanate (BGO, Bi₁₂GeO₂₀) Single Crystal Wafers

BGO Single Crystal (Bismuth Germanate, Bi₁₂GeO₂₀) Wafers

Product Overview
BGO (Bi₁₂GeO₂₀) is a sillenite-type electro-optic and photorefractive single crystal used in photonics, holography, optical information processing, and high-energy radiation detection. This cubic crystal exhibits photorefractive and nonlinear optical properties, high refractive index, and chemical and mechanical stability. With the stated density and radiation-response characteristics, BGO crystals are used for optical research, electro-optic devices, and high-energy physics applications.

Crystal Properties

Chemical Formula: Bi₁₂GeO₂₀
Crystal Structure: Cubic (Sillenite)
Growth Method: Czochralski (CZ)
Standard Orientation: [100]
Lattice Constant: 10.1455 Angstrom
Density: 9.2 g/cm³
Melting Point: 925 °C
Thermal Expansion Coefficient: 7.15 × 10⁻⁶ /°C
Hardness (Mohs): 5

Features

Refractive index and optical uniformity
photorefractive and electro-optic response
Density and radiation detection capability
Stable physical and chemical properties
Non-hygroscopic and can be handled
Machinability and polishing properties
For optical and radiation detection applications

Typical Applications

Holographic storage and interferometry
Electro-optic modulation and optical switching
Optical information processing
Spatial light modulators
High-energy physics experiments
Gamma-ray and radiation detection
Medical imaging and nuclear instrumentation
Non-destructive testing
Laser and photonics research

Available Forms

BGO crystal substrates
Optical-grade polished wafers
Detector-grade crystal blocks
Custom-cut BGO components

Customization

Custom sizes and orientations available
Polishing and double-side polish available
Detector-grade and optical-grade options
OEM and research customization supported

Packaging

Cleanroom packaging
Vacuum-sealed protective packing
Individual crystal box packaging for transport