TGG Crystal Optical Isolator with λ/10 Flatness and 35 RadT⁻¹m⁻¹ Verdet Constant for 2-76mm Diameter Applications

Price Negotiable

Price: Negotiable

MOQ: 1pc

Delivery Time: 3-4 weeks

Brand: Crystro

Product Description

Product Overview

Terbium Gallium Garnet (TGG) crystal is a premium magneto-optical material designed for high-performance optical isolation and magnetic sensing applications. With exceptional optical properties and precision manufacturing, this crystal delivers reliable performance in demanding laser systems.

Primary Applications

Faraday Rotator systems
Magnetic sensor devices
Optical Isolator components
Magneto-optical switches and modulators

Key Material Properties

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

Technical Specifications

Parameter	Value
Orientation	[111] within ±15 arc min
Wave Front Distortion	<1/8 wave
Extinction Ratio	>35 dB
Diameter Tolerance	+0.00mm/-0.05mm
Length Tolerance	±0.2mm
Chamfer	0.10mm @ 45°
Flatness	<λ/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

Performance Advantages

Large Verdet Constant: 35 RadT⁻¹m⁻¹ at 1064nm (up to 40 dB)
Low optical losses: <0.1%/cm
High laser damage threshold: >1 GW/cm²
Twice the Verdet constant compared to terbium-doped glass
Thermal conductivity 7.4 Wm⁻¹K⁻¹ - order of magnitude greater than typical glass
Lower optical losses than Tb-doped glasses

Ideal for YAG, Ti-doped sapphire, and multi-stage amplification laser systems operating in 400-470nm and 500-1500nm spectral ranges.