Magnesium-Doped Lithium Niobate Crystal

Magnesium-Doped Lithium Niobate Crystal

Magnesium-doped lithium niobate crystal is a functional crystal material prepared by doping lithium niobate crystal with a certain concentration of MgO. The typical MgO doping concentration is 5 mol%. While maintaining the excellent electro-optic, acousto-optic, piezoelectric, and nonlinear optical properties of lithium niobate, it has strong resistance to photorefractive damage, making it suitable for high optical power and high-stability optical applications. The product can be provided in congruent and stoichiometric systems, supports various crystal orientations such as X, Y, and Z, and can supply crystal blanks, crystal ingots, cut blocks, and crystal materials oriented, cut, and precision-machined according to requirements. It can be further processed into round wafers, square wafers, triangular wafers, and other custom shapes, meeting application needs in nonlinear optics, electro-optic modulation, THz, acousto-optic devices, and scientific research experiments.

Product features：Excellent photorefractive damage resistance；Excellent nonlinear optical performance；Multiple crystal orientations and processing forms；Flexible customization of dimensions and specifications

Part Number：MP-LN-MgO

Application area：Nonlinear optics | Electro-optic and optical communication devices | THz and acousto-optic devices | Laser and optical scientific research

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Main parameters
General Parameters
Optional Configurations
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Main parameters

Core parameters

Standard thickness Surface quality

350 μm, 500 μm, 1000 μm, customizable S/D 20/10 (reference specification for double-side polishing)

Dimension Drawing

General Parameters

Parameter	Specification
Crystal material	MgO:LiNbO₃
MgO doping concentration	Typically 5 mol%
Crystal type	Congruent MgO:LiNbO₃ / Stoichiometric MgO:LiNbO3
Crystal orientation	X-, Y-, Z-cut, and custom special orientations
Supply form	Crystal blanks, crystal ingots, cut blocks, wafers, and custom machined parts
Crystal dimensions	Customized according to crystal growth and customer requirements
Wafer size	3 in, 4 in, 6 in, and other custom sizes
Primary orientation flat (OF)	22 ± 2 mm, 32 ± 2 mm, 47 ± 2 mm (selected according to specification)
Secondary orientation flat (RF)	14 ± 3 mm (for applicable specifications)
Product shape	Round, square, triangular, block, and custom special-shaped
Standard thickness	350μm、500μm、1000μm
Thickness customization	Supported
Surface condition	Blank, lapped, single-side polished, double-side polished, one side polished and the other side lapped/ground
Double-side polished surface quality	S/D 20/10
Surface roughness (Ra)	≤0.3nm
Ordinary refractive index (No)	2.2827±0.0003 @ 632.8nm
Extraordinary refractive index (Ne)	2.1928±0.0003 @ 632.8nm
Refractive index test method	Prism coupling method
Curie temperature	1215±3℃
Edge processing	Cutting, chamfering, etc., customizable upon request
Internal quality	No obvious striations, inclusions, or other defects
Main applications	SHG, OPO, quasi-phase matching, THz, electro-optic modulation, nonlinear optics, acousto-optic and optical experiments

Optional Configurations

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Product title: Magnesium-Doped Lithium Niobate Crystal

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