CY2356 Rutile Titanium Dioxide (TiO2) Crystal Substrate

Catalogue Number	CY2356
Dimensions	5×5×10mm, 5×10×10mm, 10×10×0.5mm,
Material	TiO2
Growth Method	Flame method, Floating zone method

Our undoped Czochralski Titanium Dioxide substrates exhibit optical homogeneity. They are manufactured without a central core formed by crystal spheres. They display no visible streaks, shadow graphics, inclusions, or bubbles.

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Key Performance Parameters
Crystal Structure	Tetragonal System
Lattice Constant	a = 4.5936 Å c = 2.9582 Å
Growth Method	Flame Method, Floating Zone Method
Density	4.26 (g/cm³)
Melting Point	1870°C
Heat Capacity	0.17 (25°C)
Transmission	0.5 – 4.5 μm
Refractive Index	no = 2.47, ne = 2.73 at λ = 1.3 μm
Thermo-Optic Coefficient	dη/dT: a = -0.72 × 10⁻⁶/K, c = -0.42 × 10⁻⁶/K
Linear Expansion Coefficient	a = 7.14 × 10⁻⁶/K, c = 9.19 × 10⁻⁶/K
Hardness	7 (Mohs)
Crystal Rod	Φ25 mm × 90 mm
Orientation	<001>, <110>, <100>, <111>
Standard Dimensions	5 × 5 × 10 mm, 5 × 10 × 10 mm, 10 × 10 × 0.5 mm, Diameter 20 mm × 0.5 mm
Polishing	Single-sided or double-sided polished
Tolerances and Optical Quality	Dimension tolerance: +0.1 mm, Alignment tolerance: ±0.5° Parallelism: <30′′, Flatness: <λ/4, Perpendicularity: <30′′, Surface quality: 10/5

Major capability parameter
Crystal structure	Tetragonal system
Lattice constant	a=4.5936Å c=2.9582 Å
Growth method	Flame method, Floating zone method
Density	4.26（g/cm3）
Melting point	1870°C
Heat capacity	0.17（25°C）
Transmission	0.5～4.5um
Refractive index	no=2.47 ne=2.73 at λ=1.3um
Thermo optic coefficient	dη/dT：a：-0.72×106/k c：-0.42×10-6/k
Linear expansion coefficient	a：7.14×106 c：9.19×106
Hardness	7（mohs）
Crystal rod	Φ25mm×90mm
Orientation	<001>, <110>, <100>, <111>
Standard Size	5×5×10mm, 5×10×10mm, 10×10×0.5mm, dia 20mm ×0.5mm
Polishing	Single or double side polished
Tolerance and Optical quality	Dimension tolerance: +0.1 mm, Orientation tolerance: ±0.5 o Parallelism: <30", Flatness: <λ/4, Verticality: <30", Surface quality: 10/5

CY2356 Rutile Titanium Dioxide (TiO2) Crystal Substrate

Description of Rutile Titanium Dioxide Crystal Substrate

Specifications of Rutile Titanium Dioxide Crystal Substrate

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