optics - Black Lithium Niobate

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Black Lithium Niobate Wafers

Product Description:

Lithium niobate single crystal has been widely used for surface acoustic wave (SAW) devices, such as SAW filters with low insertion loss. However, the optical transparency and pyroelectric effect may cause problems in its processing and application. Black Lithium Niobate wafers offer a good solution for both problems with same piezoelectric properties. Black Lithium Niobate wafers neutralise electrical charges.


Figure 1: Black Lithium Niobate Wafers

Specification:

Orientation	X-Axis, Y-Axis, Z-Axis, Y-Axis 128° Rotated, Y-Axis 64° Rotated
Orientation Tolerance	±0.2°
Diameter	50.8±0.1mm (2 inches), 76.2±0.2mm (3 inches), 100±0.3mm (4 inches)
Thickness	500±15µm, 660±15µm, 710±15µm, 790±15µm, 1000±25µm
Primary Flat Length	16.0±0.8mm, 22.0±1.0mm, 32.5±1.5mm
TTV	≤30µm
BOW	≤30µm
Front Surface	Ra < 1nm
Back Surface	Fine ground or polished (Ra<1nm)

6 Inch 128° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm Single side polished, PBLN-451241 ($208.0):



		Primary flat is perpendicular to the X axis. Single side polished. Contact us for quantity pricing.

4 Inch Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm Single side polished, PBLN-231131 ($78.0):



		Primary flat is perpendicular to the Z axis. Single side polished. Contact us for quantity pricing.

4 Inch Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, double side polished, PBLN-231132 ($96.0):



		Primary flat is perpendicular to the Z axis. Double side polished. Contact us for quantity pricing.

4 Inch Z-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, Double side polished, PBLN-331332 ($106.0):



		Primary flat is perpendicular to the Y axis. Double side polished. Contact us for quantity pricing.

4 Inch 128° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, double side polished, PBLN-431232 ($96.0):



		Primary flat is perpendicular to the X axis. Contact us for quantity pricing.

4 Inch 128° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, single side polished, PBLN-431231 ($78.0):



		Primary flat is perpendicular to the X axis. Contact us for quantity pricing.

4 Inch 41° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.35mm, single side polished, PBLN-639231 ($86.0):



		Primary flat is perpendicular to the X axis. Contact us for quantity pricing.

3 Inch 128° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, single side polished, PBLN-421221 ($62.0):



		Primary flat is perpendicular to the X axis. Single side polished. Contact us for quantity pricing.

3 Inch 128° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, double side polished, PBLN-421222 ($76.0):



		Primary flat is perpendicular to the X axis, double side polished. Contact us for quantity pricing.

3 Inch 128° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 1.0mm, double side polished, PBLN-425222 ($102.0):



		Primary flat is perpendicular to the X axis, double side polished. Contact us for quantity pricing.

3 Inch 41° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, single side polished, PBLN-621221($62.0):



		Primary flat is perpendicular to the X axis. Single side polished. Contact us for quantity pricing.

3 Inch 41° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, double side polished, PBLN-621222($76.0):



		Primary flat is perpendicular to the X axis. double side polished. Contact us for quantity pricing.

3 Inch Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, single side polished, PBLN-221121 ($62.0):



		3 inch Y-cut Lithium Niobate wafers in stock. Primary flat is perpendicular to the Z axis. Single side polished. Contact us for quantity pricing.

3 Inch X-Cut optical grade black Lithium Niobate wafers in stock, thickness: 0.5mm, double side polished, PBLN-121122 ($112.0):



		Primary flat is perpendicular to the Z axis. Contact us for quantity pricing.

10mm in diameter 36°Y-Cut saw grade black Lithium Niobate wafers in stock, thickness: 1.1mm, double side polished, PBLN-7B0462 ($48.0):



		NO flat. Contact us for quantity pricing.

11X8.5mm 41° Y-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, Double side polished, PBLN-8R1532 ($56.0):



		X-axis is parallel to the 8.5mm direction. Contact us for quantity pricing.

25X25mm Z-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 0.5mm, Double side polished, PBLN-3R1512 ($68.0):



		X Axis is indicated in the figure at left side. Contact us for quantity pricing.

25X25mm Z-Cut SAW grade Black Lithium Niobate wafers in stock, thickness: 1.0mm, Double side polished, PBLN-3R5512 ($72.0):



		X Axis is indicated in the figure at left side. Contact us for quantity pricing.

Ordering Information:

P

B

L

N

X

A

B

C

D

E

F

A	Orientation	1 = X-Axis
		2 = Y-Axis
		3 = Z-Axis
		4 = Y-Axis 128° Rotated
		5 = Y-Axis 64° Rotated
		6 = Y-Axis 41° Rotated
		7 = Y-Axis 36° Rotated
		8 = Y-Axis 127° Rotated
		0 = Customized Thickness
B	Diameter	1 = 2 Inch
		2 = 3 Inch
		3 = 4 Inch
		0 = Customized Diameter
C	Thickness	1 = 500µm
		2 = 660µm
		3 = 710µm
		4 = 790µm
		5 = 1000µm
		0 = Customized Thickness
D	Primary Flat Orientation	1 = Normal to Z-axis
		2 = Normal to X-axis
		3 = Normal to Y-axis
		0 = Customized Flat Orientation
E	Primary Flat Length	1 = 16mm
		2 = 22mm
		3 = 32.5mm
		0 = Customized Flat Length
F	Single or Double Side Polihsed	1 = Single Side Polished
F	Single or Double Side Polihsed	2 = Double Side Polished