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Rulon Bearings

MarkeTech Yttrium Vanadate (YVO4) Fiber Optic Crystal  (discontinued **)
Categories: Ceramic; Oxide

Material Notes: Large birefringence and wide transparency range (400 to 4000 nm); finds uses as fiber optic isolators, circulators, and beam displacers. Grown by Czochralski method.

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

Key Words: YVO4; Yttrium Vanadium Oxide
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Physical PropertiesMetricEnglishComments
Density 4.22 g/cc0.152 lb/in³
a Lattice Constant 7.12 Å7.12 Å
c Lattice Constant 6.29 Å6.29 Å
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 5.05.0
 
Thermal PropertiesMetricEnglishComments
CTE, linear 4.43 µm/m-°C2.46 µin/in-°Fa direction
 11.37 µm/m-°C6.317 µin/in-°Fc direction
Thermal Conductivity 5.10 W/m-K35.4 BTU-in/hr-ft²-°Fc direction
 5.32 W/m-K36.9 BTU-in/hr-ft²-°Fa direction
Melting Point 1825 °C3317 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.951.95η o
 2.15542.1554η e
Transmission, Visible 90 %
@Wavelength >=400 nm
90 %
@Wavelength >=400 nm
transparent; thickness not reported
 
Descriptive Properties
Crystal StructureTetragonal

**
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