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KTP Crystal

 (Potassium Titanyl Phosphate)

 

KTP crystals is the most commonly used material for frequency doubling of Nd-doped lasers, particularly at the low or medium power density.It is widely used for frequency mixing to generate Red/Green/Blue output, and for OPO and OPA to generate visible to mid-infrared tunable output. It is also used for many E-O devices such as Q-switches and E-O modulators.

 

Advantages:

• Large nonlinear optical coefficient

• Wide angular bandwidth and small walk-off angle

• Broad temperature and spectral bandwidth

• High Electro-Optics(E-O) coefficient and low dielectric constant

• Non-hygroscopic, chemically and mechanically stable

 

KTP's Applications 

• Frequency Doubling (SHG) of Nd-doped Lasers for Green/Red Output
• Frequency Mixing (SFM) of Nd Laser and Diode Laser for Blue Output
• Parametric Sources (OPG, OPA and OPO) for 600nm - 4500nm Tunable Ouptut
• E-O Modulators, Optical Switches, Directional Couplers
• Optical Waveguides for Integrated NLO and E-O Devices

 

 HGO offer KTP specification:

Tolerance of cutting angle

△θ≤±0.25°,△φ≤±0.25°

Tolerance of dimension

Dimension+/-0.1 mm,L:±0.1mm

Flatness

λ/8 @ 632.8nm

Wavefront distortion

λ/8@ 632.8nm

Surface quality

10/5  per MIL-O-13830A

Parallelism

10″

Perpendicularity

5′

Bevel/chamfer

<0.1mm@45deg.

Chips

<0.1mm

CA

>95%

Coating

AR/HR coating Upon customer’s request

Damage Threshold

  750MW/CM2 at 1064nm, TEM00, 10ns, 10Hz

Warranty

        One year under proper use