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Low price for Kta - KTA Crystal – WISOPTIC

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KTA (Potassium Titanyle Arsenate, KTiOAsO4 ) is a nonlinear optical crystal similar to KTP in which atom P is replaced by As. It has good non-linear optical and electro-optical properties, e.g. significantly reduced absorption in band range of 2.0-5.0 µm, broad angular and temperature bandwidth, low dielectric constants.

Compared with KTP, the main advantages of KTA include: higher second-order nonlinear coefficient, longer IR cut-off wavelength, and less absorption at 3.5 µm. KTA also has lower ionic conductivity than that of KTP, which results in a higher laser induced damage threshold.

KTA is very popularly used for Optical Parametric Oscillation (OPO) application which gives high energy conversion efficiency (above 50%) of tunable laser radiation in solid lasers.

Contact us for the best solution for your application of KTA crystals.

WISOPTIC Advantages - KTA

• High homogeneity, excellent internal quality

• Top quality of surface polishing

• Large block for various size (e.g. 10x10x30mm3, 5x5x35mm3)

• Large nonlinear coefficient, high conversion efficiency

• Broad transparency range, large temperature matching width

• AR coatings for wave range from visual light to 3300 nm

• Very competitive price, quick delivery

WISOPTIC Standard Specifications* - KTA

Dimension Tolerance ± 0.1 mm
Cutting Angle Tolerance < ± 0.25°
Flatness < λ/8 @ 632.8 nm
Surface Quality < 10/5 [S/D]
Parallelism < 20”
Perpendicularity ≤ 5′
Chamfer ≤ 0.2mm @ 45°
Transmitted Wavefront Distortion < λ/8 @ 632.8 nm
Clear Aperture > 90% central area
Coating AR@1064nm(R<0.2%) & 1533nm(R<0.5%) & 3475nm(R<9%)
or upon request
Laser Damage Threshold 500 MW/cm2 for 1064nm, 10ns, 10Hz (AR-coated)
* Products with special requirement upon request.

kta
KTA-2
KTA-1

DOWNLOAD Technical Data – KTA

Main Features - KTA

• High nonlinear coefficient, high electro-optical coefficient

• Wide acceptance angle, small wall-off angle

• Broad transparency range, large temperature matching width

• Small dielectric constant, low ionic conductivity

• Lower absorption in 3-4 µm spectrum range than that of KTP

• High laser damage threshold

Primary Applications – KTA

• OPO for mid IR generation – up to 4 µm

• Sum and Difference Frequency Generation in mid IR range

• Electro-optical modulation and Q-switching

• Frequency doubling (SHG @1083nm-3789nm).

Physical Properties – KTA

Chemical formula KTiOAsO4
Crystal structure Orthorhombic
Point group mm2
Space group Pna21
Lattice constants a=13.103 Å, b=6.558 Å, c=10.746 Å
Density 3.454 g/cm3
Melting point 1130 °C
Curie temperature 881 °C
Mohs hardness 5
Thermal conductivity k1=1.8 W/(m·K), k2=1.9 W/(m·K), k3=2.1 W/(m·K)
Hygroscopicity non-hygroscopic

Optical Properties- KTA 

Transparency region
(at “0” transmittance level)
350-5300 nm
Refractive indices (@632.8 nm) nx ny nz
1.8083 1.8142 1.9048
Linear absorption coefficients
(@532 nm) 
α = 0.005/cm

NLO coefficients (@1064 nm)

d15=2.3 pm/V, d24=3.64 pm/V, d31=2.5 pm/V,
d32=4.2 pm/V, d33=16.2 pm/V

Electro-optic coefficients
(@632.8nm; T=293K, low frequency)

r13

r23

r33
11.5 ± 1.2 pm/V 15.4 ± 1.5 pm/V 37.5 ± 3.8 pm/V

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Low price for Kta - KTA Crystal – WISOPTIC detail pictures

Low price for Kta - KTA Crystal – WISOPTIC detail pictures

Low price for Kta - KTA Crystal – WISOPTIC detail pictures


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It adheres for the tenet "Honest, industrious, enterprising, innovative" to develop new products and solutions continuously. It regards shoppers, success as its individual success. Let us produce prosperous future hand in hand for Low price for Kta - KTA Crystal – WISOPTIC, The product will supply to all over the world, such as: Swiss, Ukraine, Pretoria, With a wide range, good quality, reasonable prices and stylish designs, our items are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
  • Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Bess from Benin - 2018.06.18 19:26
    The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Clara from Cairo - 2017.06.25 12:48

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