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KTA Crystals

KTA Crystals
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Transparency range 350-5500nm
Length tolerance, mm +0/-0,1
Aperture tolerances, mm +0/-0,1
Orientation accuracy of cut angle <30arcmin
Surface quality, scratch/dig 10/5
Surface Flatness L/[email protected]
Parallelism error <30arcsec
Perpendicularity <5arcmin
Optical damage threshold >1,5GW/cm2 for 10ns pulses @ 1064 nm
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Potassium Titanyle Arsenate(KTiOAsO4), or KTA crystal, is an excellent nonlinear optical crystal for Optical Parametric Oscillation (OPO) Application. OPO devices based on KTAs are reliable, solid state sources of tunable laser radiation exhibiting energy conversion efficiencies above 50%. KTA has significantly lower absorption in 2,0-5,0 μm range compared with KTP nonlinear crystal. KTA crystal also diverges from other nonlinear crystals with its high damage threshold.
varna Large nonlinear optical and electro-optical coefficients
varna Low dielectric constants, loss tangent and ionic conductivities (much less than that of KTP)
varna High damage threshold
varna Wide angular bandwidth and small walk-off angle
varna Non-hygroscopic crystal

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