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CY0492 Potassium Titanyl Phosphate (KTP) Maximize

CY0492 Potassium Titanyl Phosphate (KTP)

Potassium Titanyl Phosphate (KTiOPO4,KTP) is the most commonly used for SHG(Frequency doubling) of Nd-doped laser for green/red output. It can be widely used in lasers including laboratory, medical systems, range-finders, lidar and optical communication and industrial systems. 

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KTP Specifications


1x1x0.05 - 30x30x40 mm

Phase matching type

Type II, θ=90°; φ=phase-matching angle

Typical Coating

a) S1&S2: AR @1064nm R<0.1%; AR @ 532nm, R<0.25%.
b) S1: HR @1064nm, R>99.8%; HT @808nm, T>5%
S2: AR @1064nm, R<0.1%; AR @532nm, R<0.25%

Customized coating available upon customer request.

Angle tolerance

Δθ< ± 0.5°; Δφ< ±0.5°

Dimension tolerance

±0.02 - 0.1 mm
(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm) for NKC series


λ/8 @ 633nm

Scratch/Dig code

10/5 Scratch/dig per MIL-O-13830A


<10' ( better than 10 arc seconds for NKC series )


5' ( 5 arc minutes for NKC series )

Wavefront distortion

less than λ/8 @ 633nm

Clear aperture

90% central area

Working temperature

25°C - 80°C


dn ~10-6/cm

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