KTA Crystals

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/6@633nm
Parallelism error	<30arcsec
Perpendicularity	<5arcmin
Optical damage threshold	>1,5GW/cm2 for 10ns pulses @ 1064 nm

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Description Features

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 micron range compared with KTP nonlinear crystal. KTA crystal also diverges from other nonlinear crystals with its high damage threshold.

	Large nonlinear optical and electro-optical coefficients
	Low dielectric constants, loss tangent and ionic conductivities (much less than that of KTP)
	High damage threshold
	Wide angular bandwidth and small walk-off angle
	Non-hygroscopic crystal