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LiNbO3 CRYSTALS Download PDF document

LiNbO 3; Crystal is widely used as frequency doublers for wavelength > 1 mm and optical parametric oscillators (OPOs) pumped at 1064 nm as well as quasi-phase-matched (QPM) devices. Due to its large Electro-Optic (E-O) and Acousto-Optic (A-O) coefficients.

Physical and Optical Properties.
Properties
Values

Crystal Structure

Trigonal, space group R 3c

Cell Parameters

a = 0.515, c = 13.863, Z = 6

Melting Point

1255 +/-5íŠ

Curie Point

1140 +/-5íŠ

Mohs Hardness

5

Density

4.64 g/cm 3

Absorption Coefficient

~ 0.1%/cm @ 1064 nm

Solubility:

insoluble in H 2 O

Relative Dielectric Constant

e T11/e 0 : 85
e T33/e 0 : 29.5

Thermal Expansion Coefficients at 25íŠ

||a, 2.0 x 10 -6 /K @ 25íŠ
||c, 2.2 x 10 -6 /K @ 25íŠ

Thermal Conductivity

38 W /m /K @ 25íŠ

Transparency Range

420 - 5200 nm

Refractive Indices

n e = 2.146, n o = 2.220 @ 1300 nm
n e = 2.156, n o = 2.322 @ 1064 nm
n e = 2.203, n o = 2.286 @ 632.8 m

Optical Homogeneity

~ 5 x 10 -5 /cm

Sellmeier Equations( l in m m)

n o 2 ( l ) = 4.9048+0.11768/(l2- 0.04750) - 0.027169l2
n e 2 ( l) = 4.5820+0.099169/( l2 - 0.04443) - 0.021950 l2

NLO Coefficients

d 33 = 34.4 pm/V
d 31 = d 15 = 5.95 pm/V
d 22 = 3.07 pm/V

Electro-Optic Coefficients

g T 33 = 32 pm/V, g S 33 = 31 pm/V
g T 31 = 10 pm/V, g S 31 = 8.6 pm/V
g T 22 = 6.8 pm/V, g S 22 = 3.4 pm/V,

Half-Wave Voltage, DC
Electrical field ||z, light ^ z
Electrical field ||x or y, light || z

3.03 KV
4.02 KV

Damage Threshold

200 MW/cm 2 (10 ns)

Efficiency NLO Coefficients

d eff =5.7pm/V or~14.6xd 36 (KDP) for frequency doubling 1300 nm;
d eff =5.3pm/V or~13.6xd 36 (KDP) for OPO pumped at 1300nm;
d eff =17.6pm/V or~45xd 36 (KDP) for quasi-phase-matched structure;

 
Our Manufacture Technical Capabilities:
Properties
Values

Diameter :

max. 25mm

Length:

max. 30mm

Surface Quality:

better than 20/10 scratch/dig Per MIL-0-13830A

Beam Deviation:

<3 arc min

Optical Axis Orientation:

+/-0.2°

Flatness:

< l /4 @633nm

Transimission Wavfront Distortion:

<l /2 @633nm

Coating:

upon customer's Specification

 
Standard LiNbO3 Wedge:
Material
X(mm)
Y(mm)
Z(mm)
θ
φ
AR@(nm)
Product Number

LiNbO3

0.25

1.25

1.25

13°

22.5°

1550

UQT-OCLW0301

LiNbO3

0.25

1.25

1.25

15°

22.5°

1550

UQT-OCLW0302

LiNbO3

0.25

1.25

1.25

13°

22.5°

1310

UQT-OCLW0303

LiNbO3

0.25

1.25

1.25

15°

22.5°

1310

UQT-OCLW0304

 
Standard LiNbO3 Box:
Dimension(mm)
Coating
Applications
Product Number

5x5x20

AR

SHG or OPO

UQT-OCLB0401

8x8x20

AR

SHG or OPO

UQT-OCLB0402

9x9x25

AR

SHG or OPO

UQT-OCLB0403

10x10x25

AR

SHG or OPO

UQT-OCLB0404

Please Contact ultiQuest for other dimensions in prototype and production quantities.

NOTES!  
Be sure to wear laser safety goggles when checking optical path and adjusting optical axis.
 
 
 
   
product Index
CRYSTALS-INDEX
OPTICAL CRYSTALS
 
Undoped YVO4
 
LiNbO3 Crystals
 
Undoped YAG
 
Sapphire Crystals
LASER CRYSTALS
 
Nd:YVO4 Crystals
 
Nd:GdVO4 Crystals
 
Nd:YAG Crystals
 
Ti:Sapphire Crystals
OPTICS-INDEX
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact Us
  For more information on product,please contact our product manager Mr.Grand Liu by email: info@ultiquestcom.com
 
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