Potassium Titanyl Phosphate – KTP Crystals

 

Delivery

Estimated delivery time: from 4 - 5 days

θ
φ
Coating
W, mm
H, mm
L, mm

SHG @ 1064 nm, Type 2 Application

Code θ φ Coating W, mm H, mm L, mm Price Delivery Add to cart
KTP-401 90 23.5 AR/AR@1064+532 nm 3 3 5 88 $ 4 - 5 days To cart
KTP-402 90 23.5 AR/AR@1064+532 nm 3 3 10 125 $ 4 - 5 days To cart
KTP-403 90 23.5 AR/AR@1064+532 nm 4 4 6 136 $ 4 - 5 days To cart
KTP-404 90 23.5 AR/AR@1064+532 nm 7 7 9 608 $ Request To cart

X-cut for eye safe generation by OPO @ 1064 nm -> 1570 nm + 3300 nm

Code θ φ Coating W, mm H, mm L, mm Price Delivery Add to cart
KTP-405 90 0 AR/AR@1064+1570+3300 nm 5 5 20 Request Request To cart

High Gray Track Resistant (HGTR) KTP Crystal

Code θ φ Coating W, mm H, mm L, mm Price Delivery Add to cart
HGTR-0612-05 90 25 AR/AR@1064+532 nm 3.5 3.5 6.7 943 $ Request To cart
Delicious
STANDARD SPECIFICATIONS
Flatness λ/8 @ 633 nm
Parallelism < 20 arcsec
Perpendicularity < 5 arcmin
Angle tolerance < 30 arcmin
Aperture tolerance ± 0.1 mm
Surface quality 10/5 scratch & dig per MIL-O-13830A
Clear aperture 90% of full aperture
PHYSICAL PROPERTIES
Crystal structure orthorhombic
Point group mm2
Space group Pna21
Lattice constants, Å  a = 6.404, b = 10.616, c = 12.814, z = 8
Density, g/cm3 3.01
Melting point, °C 1172
Transition temperature, °C 936
Mohs hardness 5
Thermal expansion coefficients, °C-1 ax = 11×10-6, ay = 9×10-6, az = 0.6×10-6
Thermal conductivity, W/m*K 13
Not hygroscopic  

OPTICAL PROPERTIES

Transparency 350–4400 nm
Refractive indices at 1064 nm at 532 nm
  nx = 1.7404 nx = 1.7797
  ny = 1.7479 ny = 1.7897
  nz = 1.8296 nz = 1.8877
Thermooptic coefficients in 0.4 – 1.0 μm range ∂nx/∂T = 1.1×10-5 (K)-1
  ∂ny/∂T = 1.3×10-5 (K)-1
  ∂nz/∂T = 1.6×10-5 (K)-1
Wavelength dispersion of refractive indices nx2=3.0067+0.0395/(λ2-0.04251)-0.01247*λ2
  ny2=3.0319+0.04152/(λ2-0.04586)-0.01337*λ2
  nz2 =3.3134+0.05694/(λ2-0.05941)-0.016713*λ2

NONLINEAR PROPERTIES
Phase matching range for: 
Type 2 SHG in x-y plane 
0.99÷1.08 μm
Type 2 SHG in x-z plane 1.1÷3.4 μm
Type 2, SHG@1064 nm, cut angle θ=90°, φ=23.5°
            Walk-off
4 mrad
            Angular acceptances Δθ = 55 mrad * cm
Δφ = 10 mrad * cm
            Thermal acceptance
ΔT = 22 K * cm
            Spectral acceptance Δν = 0.56 nm * cm
Up to 80% extracavity SHG efficiency  
Effective nonlinearity  
x-y plane deoe = doee = d15sin2φ + d24cos2φ
x-z plane doeo = deoo = d24sinθ
  d31= ± 1.95 pm/V d32=± 3.9 pm/V
  d33= ± 15.3 pm/V d24= d32 d15= d31
Damage threshold >500 MW/cm2
for pulses λ=1064 nm, τ=10 ns, 10 Hz, TEM00
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