Stoichiometric Lithium Niobate Crystal

Stoichiometric Lithium Niobate Crystal

Stoichiometric Lithium Niobate (SLN) is a high-performance lithium niobate crystal whose Li/Nb composition is close to the ideal stoichiometric ratio of 1:1. Compared with conventional congruent lithium niobate (CLN), SLN has a crystal composition closer to the ideal ratio, fewer intrinsic lattice defects, a higher Curie temperature, a lower coercive field, and excellent electro-optic and nonlinear optical properties. Research also shows that for near-stoichiometric LN, as the Li content increases, crystal defects decrease and the Curie temperature can approach 1200°C.The product can be supplied as crystal blanks and can be further processed by orientation, slicing, grinding, periodic poling, precision polishing, etc. It is suitable for PPLN periodically poled devices, electro-optic modulation, optical frequency conversion, optical waveguides, and various nonlinear optics and scientific research applications.

Product features：High stoichiometric ratio；Excellent electro-optic and nonlinear performance；Low coercive field, facilitating periodic poling；Supports various precision processing methods

Part Number：MP-LN-SLN

Application area：PPLN and nonlinear optics | Electro-optic modulation and optical communications | Lasers and frequency conversion | Scientific research and ferroelectric devices

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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)

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General Parameters

Parameter	Specification
Material	Stoichiometric Lithium Niobate（SLN）
Chemical formula	LiNbO3
Lithium content	Li ≥49.6%
Li/Nb composition	Close to stoichiometric ratio 1:1
Crystal orientation	X、Y、Z
Wafer diameter	76.2mm（3in）、100mm（4in）、150mm（6in）、200mm（8in）
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)
Wafer thickness	350 μm, 500 μm, 1000 μm, customizable
Surface processing	Double-side polished; other processing methods customizable
Surface quality	S/D 20/10
Surface roughness	≤0.3nm
Total thickness variation	≤10μm
Warp	≤3μm
Refractive index	No=2.1834±0.0001，Ne=2.1878±0.0001 @600nm
Curie temperature	Typical value for SLN: approx. 1200°C
Edge treatment	Chamfered edge
Internal crystal quality	No obvious striations, inclusions, or other defects
Processing services	Orientation, slicing, grinding, polishing, periodic poling, etc.
Main applications	PPLN, SHG, OPO, electro-optic modulation, optical waveguides, frequency conversion, nonlinear optics, and scientific research experiments

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Product title: Stoichiometric Lithium Niobate Crystal

Product link: https://www.idealphotonics.com/product/detail/1966.html

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