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NLO Lithium Niobate Crystal Used In Optical Communication

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NLO Lithium Niobate Crystal Used In Optical Communication

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Brand Name :	Crystro
Model Number :	CR220129-07
Certification :	SGS/COC
Price :	USD 20~200/pc
Payment Terms :	T/T, Western Union, MoneyGram, Paypal
Supply Ability :	20000pcs per month
Delivery Time :	4-5 weeks

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NLO Lithium Niobate Crystal Used In Optical Communication

NLO Lithium niobate Nolinear Optical Crystal Used In Optical Communication

LiNbO3 (Lithium Niobate) crystal is widely used as frequency doublers for wavelength > 1mm and optical parametric oscillators (OPOs) pumped at 1064 nm. Due to its large electro-optic and acousto-optic coefficients.

Both pure LN and MgO doped LN (MgO:LN) crystals with gold coatings on side faces for electrodes are available

MgO doped LiNbO3 (MgO:LN) has similar linear optical properties to pure LiNbO3, but the photorefractive damage threshold is much higher.

Crystro's LiNbO3 crystal is grown by Czochralski method.Max diameter reach 4inch,it's now the biggest size in this filed,we can custom size and specs ,rougness<0.5nm.Magneto-optical single crystals like GGG,SGGG,TGG,TSAG are our main products.

Crystro provides:

LiNbO_{3 wedges used for fiber optical isolators and circulators.}
Reliable delivery
Strict quality control
Technical support
Very competitive prices

Basic Properties of LiNbO_3:

Crystal Sturucture	Trigonal, Space group R3c, Point group 3m
Melting Point	1253℃
Mohs Hardness	5
Density	4.64g/cm³
Deliquescence	None
Optical Homogeneity	~5x10^-5/cm
Transparency Range	420-5200nm
Absorption Coefficient	~0.1%/cm @1064nm
Refractive Indices at 1064nm	n_e=2.146, n_o=2.220@1300nm n_e=2.156, n_o=2.232@1064nm n_e=2.203, n_o=2.286@632.8nm
Thermal Expansion Coefficients (at 25℃ )	//a,2.0x10^-6/K //a,2.2x10^-6/K
Thermal Conductivity Coefficients	38 W/m/K at 25℃
Thermal Optical Coefficients	dn_o/dT=-0.874 x 10^-6/K at 1.4μm dn_e/dT=39.073 x 10^-6/K at 1.4μm
The Sellmeier Equations (λ in μm)	n_o²=4.9048+0.11768/(λ²-0.04750)-0.027169λ² n_e²=4.5820+0.099169/(λ²-0.04443)-0.02195λ²

Crystro can offer:

	Optical grade LiNbO3	SAW grade LiNbO3
Orientation	X-cut, Z-cut (+/-0.2°)	Z-cut, Y-cut,
Orientation	X-cut, Z-cut (+/-0.2°)	Y-cut 36° off, Y-cut 64° off, Y-cut 128° off
Primary Orientation Flat	22mm+/-2mm (3-inch)	22mm+/-2mm (3-inch)
Primary Orientation Flat	32mm+/-2mm (4-inch)	32mm+/-2mm (4-inch)
Standard Size	φ3"(76.2mm) +/-0.3mm	φ3" (76.2mm) +/-0.3mm
	φ4" (100mm) +/-0.3mm	φ4" (100mm) +/-0.3mm
	φ6" (150mm) +/-0.3mm	φ6" (150mm) +/-0.3mm
	10x10mm +/-0.1mm	10x10mm +/-0.1mm
	Or others	Or others
Thickness	500μm +/-20μm	500μm +/-20μm
	1000μm +/-20μm	1000μm +/-20μm
	350μm +/-20μm	350μm +/-20μm

Polishing	Single or Both side polished	Single or Both side polished
Polishing	Surface Finish: 20/10 or 10/5	Surface Finish: 20/10 or 10/5
TTV	≤10um	≤10um
Curie temperature	1142℃ +/-0.7℃	1142℃ +/-3℃
Edge chamfer	Edge rounding	Edge rounding

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