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CY0492 Potassium Titanyl Phosphate (KTP) Maximize

CY0492 Potassium Titanyl Phosphate (KTP)

Catalog No.CY0492
Dimensions1x1x0.05 - 30x30x40 mm

Potassium Titanyl Phosphate (KTiOPO4, KTP) is a famous laser crystal that can be widely used in medical, such as dental (hard tissues), orthopedics, etc. Stanford Advanced Materials (SAM) is a trusted supplier and manufacturer of Potassium Titanyl Phosphate (KTP) products.

Related products: Nd:YAGEr:YAGHo:Cr:Tm:YAG.


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Potassium Titanyl Phosphate (KTP) Description

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. 

Potassium Titanyl Phosphate

Potassium Titanyl Phosphate (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



1. To inquire or order a finished crystal, please provide specifications as listed above. For most applications, we only need to know the following:

1) Nd-dopant concentration;  2) Sizes;  3) Surface quality;  4) Coating.

2. For special requests, please provide a detailed specification for evaluation and fabrication.

Send us an inquiry now to find out more information and the latest prices,thanks!

Please include item quantity, size and purity.

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