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Ensinger PEI

MarkeTech Rutile (TiO2) Fiber Optic Crystal  (discontinued **)
Categories: Ceramic; Oxide; Titanium Oxide

Material Notes: More chemically and physically resistant than Yttrium Vanadate. Large birefringence. Used for fiber optic beam displacers and optical isolators. Grown by Vernull method. Transmission range 500 to 4500 nm.

Data provided by MarkeTech International. MarkeTech International is no longer in business.

Key Words: TiO2; Titanium Dioxide
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 4.26 g/cc0.154 lb/in³
a Lattice Constant 4.5936 Å4.5936 Å
c Lattice Constant 2.9852 Å2.9852 Å
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 7.07.0
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant  160
@Frequency 1e+7 Hz
160
@Frequency 1e+7 Hz
 200
@Frequency 10000 Hz
200
@Frequency 10000 Hz
Band Gap 3.3 eV3.3 eV
 
Thermal PropertiesMetricEnglishComments
CTE, linear 7.14 µm/m-°C3.97 µin/in-°Fa direction
 9.19 µm/m-°C5.11 µin/in-°Fc direction
Thermal Conductivity 9.00 W/m-K62.5 BTU-in/hr-ft²-°Fa direction
 13.0 W/m-K90.2 BTU-in/hr-ft²-°Fc direction
Melting Point 1840 °C3340 °F
Debye Temperature 487 °C909 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 2.472.47η o
 2.732.73η e
Transmission, Visible 90 %
@Wavelength >=500 nm
90 %
@Wavelength >=500 nm
transparent range; thickness not reported
 
Descriptive Properties
Crystal StructureTetragonal

**
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