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KTP Crystal

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KTP Crystal
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Moq: 1 Unit

Country Of Origin: China

Lead Time: 4weeks

Terms Of Delivery: Fob Fuzhou

Terms Of Payment: Net 30 Days By T/t


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Product Features

 

KTP crystal is mostly used as nonlinear crystals for frequency doubling of solid-state Nd:YAG crystal or Nd:YVO4 crystal laser, as it has large nonlinear optical coefficients, wide angular bandwidth and small walk-off angle, broad temperature and spectral bandwidth. KTP crystal also has high electro-optic(E-O) coefficient and low dielectric constant, and large figure of merit, these features make it also widely used in electro-optic application.

 

Advantages of KTP Crystal
Large Nonlinear Optical (NLO) Coefficients
Wide Angular Bandwidth and Small Walk-off Angle
Broad Temperature and Spectral Bandwidth
High Electro-Optic (E-O) Coefficient and Low Dielectric Constant
Large Figure of Merit for an Optical Waveguide Modulator
Nonhygroscopic, Good Chemical and Mechanical Properties

Product parameters

Specifications of KTP Crystal:


Angle tolerance:

Δθ< ± 0.5°; Δφ< ±0.5°

Dimensional Tolerance:

(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)

Flatness:

<λ/8 at 633nm

Surface Quality:

10/5 Scracth/Dig

Parallelism:

< 20 arc seconds

Perpendicularity:

< 5 arc minutes

Wavefront Distortion:

<λ/8 at 632.8nm

Clear Aperture:

Central 95%

Chamfer:

0.15x45°

Coating:

a) * S1,S2: AR @ 1064 nm R<0.1% & 532nm R<0.25%

b) * S1:HR @ 1064nm R>99.8% & HT@ 808nm T>95% 

       S2:AR @ 1064 nm R<0.1% & 532nm R<0.25%



Properties of KTP Crystal:

Crystal structure

Orthorhombic, point group mm2

Melting point

1172°C incongruent

Cell parameters

a=6.404Ä, b=10.616Ä, c=12.814Ä, Z=8

Curie point

936°C

Mohs hardness

~5

Density

3.01 g/cm3

Color

colorless

Hygroscopic susceptibility

no

Specific heat

0.1643 cal/g.°C

Thermal conductivity

0.13 W/cm/°K

Electrical conductivity

3.5x10-8 s/cm (c-axis, 22°C, 1KHz)

Transmitting range

350nm~4500nm

Refractive indices

-

nx

ny

nz

1064nm

1.7377

1.7453

1.8297

532nm

1.778

1.7886

1.8887

Absorption coefficients

a < 1%/cm @1.064µ m and 0.532µ m

Phase matchable range

0.984 - 3.4 µ m

Therm-optic coefficients

dnx/dT=1.1x10-5/°C, dny/dT=1.3x10-5/oC, dnz/dT=1.6x10-5/°C

Nonlinear optical coefficients

d31=2.54pm/V, d32=4.35pm/V, d33=16.9pm/V

d24=3.64pm/V, d15=1.91pm/V at 1.064 mm

deff(II)≈ (d24 - d15)sin2φsin2θ - (d15sin2φ + d24cos2φ)sinθ

Electro-optic coefficients

-

Low frequency(pm/V)

High requency(pm/V)

γ13

9.5

8.8

γ23

15.7

13.8

γ33

36.3

35

γ51

7.3

6.9

γ42

9.3

8.8

Dielectric constant

eeff=13

Sellmeier equations of KTP Crystal

nx2=3.0065+0.03901/(λ2-0.04251)-0.01327λ2

ny2=3.0333+0.04154/(λ2-0.04547)-0.01408λ2

nz2=3.3134+0.05694/(λ2-0.05658)-0.01682λ2


Product Message

 We welcome you to contact us for more information and look forward to working with you ! 

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