China TGG Single Crystal Magneto Optical Material for Fiber Laser Isolators - 3

TGG Single Crystal Magneto Optical Material for Fiber Laser Isolators - 3" Diameter, 40 rad/T/m Verdet Constant

Price Negotiable

Price: USD 20-100/pc

MOQ: 10pcs

Delivery Time: 4-5 weeks

Brand: Crystro

Product Description

TGG (Terbium Gallium Garnet) single crystal is a premium magneto-optical material specifically engineered for high-performance optical isolators in fiber laser systems. This advanced crystal delivers exceptional optical properties and thermal stability for demanding laser applications.

Key Features

Large boule diameter up to 3 inches for versatile applications
High extinction ratio: >35 dB standard, >40 dB high grade
Excellent Verdet constant: 40 rad/T/m at 1064 nm wavelength
High refractive index: 1.95 at 1064 nm for superior optical performance
Low light loss and high thermal conductance
Exceptional light damage threshold for reliable operation

Primary Applications

Faraday Rotators for polarization control
Free Space Optical Isolators for laser protection
Fiber laser systems requiring optical isolation

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 1064 nm

Crystal Specifications

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