CY0492 Potassium Titanyl Phosphate (KTP)

Catalogue Number	CY0492
Dimensions	1x1x0.05 - 30x30x40 mm

Kaliumtitanylphosphat (KTiOPO4, KTP) is a recognised laser crystal. It is used in medical treatments such as dental surgery and orthopaedic procedures for hard tissues. Stanford Advanced Materials (SAM) supplies and manufactures Kaliumtitanylphosphat (KTP) products.

Related products: Nd:YAG, Er:YAG, Ho:Cr:Tm:YAG.

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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

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

Transparency	350–4400 nm
Refractive indices	at 1064 nm	at 532 nm
	nx = 1.7404	nx = 1.7797
Thermooptic coefficients in 0.4 – 1.0 μm range	ny = 1.7479	ny = 1.7897
	nz = 1.8296	nz = 1.8877
	∂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

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

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

CY0492 Potassium Titanyl Phosphate (KTP)

Potassium Titanyl Phosphate (KTP) Description

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