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KTA

Applications and Advantages: 
◇ an excellent NLO crystal developed mainly for Optical Parametric Oscillation (OPO) 
◇ Large non linear coefficients ,broad angular and temperature bandwith. 
◇ low dielectric constants, low ionic conductivities . 
◇ Lower absorption in the 3-4 um spectrum range than KTP. 
◇ Resistant to high intensity laser radiation. 
◇ Frequency doubling (SHG @1083nm-3789nm) 
◇ Sum and Difference Frequency Generation (SFG)/(DFG)  KTA 
◇ Electro-Optical Q-switch and modulation . 

Specifications of KTA from Thatshigh

Dimension tolerance:

±0.1mm

Flatness: 

λ/8 @633nm

Scratch/Dig

10/5(MIL-PRF-13830B)

Parallelism:

better than 20 arc sec

Perpendicularity: 

better than 15 arc min

Angle tolerance:

<±0.2°

Coating

AR coating

Clear aperture:

>90% central area

Transmitting wavefront distortion:

less than λ/8 @633nm



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