KTA or Potassium Titanyle Arsenate is perfect non-linear optical crystal mainly used for Optical Parametric Oscillation (OPO) systems. OPO which includes KTA are very reliable, exposing energy conversion efficiency above 50%. Compared to KTP crystals, KTA crystals have significantly lower absorption in the 3-4 µm range.
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|Wavefront Distortion||< λ / 8 @633nm|
|Chamfer||<0.15mm x 45°|
|Perpendicularity||< 5 arc min|
|Parallelism||<15 arc sec|
|Flatness||< λ / 10 @ 633nm|
|AR coating||From visible to 3.3um|