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Lithium Niobate Wafers

Lithium Niobate ( LiNbO 3 ) applications include electro-optic modulator and Q-switch for Nd:YAG, Nd:YLF and Ti:Sapphire lasers as well as modulator for fiber optics.

We also supply "black" wafers free of pyroelectric discharge, ... detailed specifications

 Standard Lithium Niobate Properties

Examples of common applications of Lithium niobate (LiNbO3) are illustrated in this diagram :

Applications

Lithium Niobate Wafer Applications


Typical Specifications

(For SAW Use)

Orientation
Diameter
Reference Flat Perpendicular to
Thickness
Surface Finish
127.86° Y - Cut

76.2 ± 0.7 (mm)

and

100.0 ± 0.7 (mm)

22 ± 3 (mm)

and

32 ± 3 (mm)

X

0.35 ± 0.03 (mm)

and

0.50 ± 0.03 (mm)

Front
Mirror Polished
64° Y - Cut
X
41° Y - Cut
X
Back
Ground
36° Y - Cut
X
163° Y - Cut
Y
Y- Cut
Z






LiNbO3

Lithium Niobate Wafers Drawings

 

Section

 

Wafer Section
  • D : Diameter
  • RF : Reference Flat
  • SF : Sub Flat
  • T : Thickness
  • Slice Orientated Within 15 minutes of Arc on all Axes


For Optical Use

Orientation

Diameter

Reference Flat Perpendicular to
Sub Flat
Thickness
Surface Finish
Z - Cut
76.2 ± 0.7 (mm)
22 ± 3 (mm)
Y
10 ± 3(mm)
- X
0.50 ± 0.03 (mm)
Front
Mirror Polished
Y - Cut
Z
+ X
Back
Mirror Polished or Ground
Z - Cut
Z
- Y

 

LiNbO3 Optical Wafer
Optical Wafer Drawing
  • Integrated optical grade quality.
  • Thickness 1 mm.
  • Diameter 3", 4" or 5".
  • X - cut.
  • Both sides optical polished.
  • Y - or Z - axis orientated with flat.
  • Surface quality: scratch - , hole - and wiper free by magnification of 800.
  • Parallelity: typ. < 10'.
  • Flatness: typ. < 1µm / 10 mm (test region 98 %).

 


MgO : LiNbO3
 
  • Integrated optical grade quality.
  • Thickness 1 mm.
  • Diameter 3", 4" or 5".
  • X - cut.
  • Both sides optical polished.
  • Y - or Z - axis orientated with flat.
  • Surface quality: scratch - , hole - and wiper free by magnification of 800.
  • Parallelity: typ. < 10'.
  • Flatness: typ. <µm / 10 mm (test region 98 %).
  • For MgO - doped material: 5 mol % Mg.

 

Reproduced by kind permission ofYamaju Ceramics Co., Ltd. . © Yamaju 2004 Specifications subject to change without notice. All rights reserved Roditi International 2007