3 Inch TGG Single Crystal for Faraday Isolators - 35-40 RadT⁻¹m⁻¹ Verdet Constant, 7.4 Wm⁻¹K⁻¹ Thermal Conductivity

Price Negotiable

MOQ: 1pc

Delivery Time: 3-4 weeks

Brand: Crystro

Product Description

Product Overview

Terbium Gallium Garnet (TGG) single crystal is a premium magneto-optical material designed for high-performance Faraday isolator devices. With a 3-inch diameter specification, this crystal delivers exceptional optical performance across visible and near-infrared spectral regions (400-470nm and 500-1500nm).

Key Performance Features

Large Verdet Constant: 35-40 RadT⁻¹m⁻¹ at 1064nm
Low Optical Losses: <0.1%/cm transmission loss
High Thermal Conductivity: 7.4 Wm⁻¹K⁻¹
Exceptional Laser Damage Threshold: >1 GW/cm²
Superior Performance: Twice the Verdet constant of terbium-doped glass
Enhanced Thermal Management: Order of magnitude greater thermal conductivity than typical glass

Primary Applications

Faraday Rotators for laser systems
Optical Isolators for signal protection
Magnetic Sensors for precision measurement
Magneto-optical switches and modulators
YAG, Ti-doped sapphire, and multi-stage amplification lasers

Material Properties

Property	Specification
Chemical Formula	Tb₃Ga₅O₁₂
Lattice Parameter	a=12.355Å
Growth Method	Czochralski
Density	7.13 g/cm³
Mohs Hardness	8.0
Melting Point	1725℃
Refractive Index	1.954 at 1064nm

Technical Specifications

Parameter	Value
Orientation	[111] within ±15 arc min
Wave Front Distortion	<1/8 wave
Extinction Ratio	>35dB
Diameter Tolerance	+0.00mm/-0.05mm
Length Tolerance	±0.2mm
Chamfer	0.10mm @45º
Flatness	<1/10 wave at 633nm
Parallelism	<30 arc seconds
Perpendicularity	<5 arc min
Surface Quality	10/5 Scratch/Dig
AR Coating	<0.2%
Available Diameters	2.0-76 mm