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Measurement Services List
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Ohara has established an independent service center to focus on materials measurement
and analysis. This facility encompasses some of the world's most advanced optical metrology
equipment and is capable of measuring glass, ceramics, quartz, fused silica, polymers and
liquids. We would be pleased to measure your materials.
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Here is a partial list of the measurement and analytical services we provide:
Measurement of Refractive Indices
Refractive indices
Temperature coefficients of refractive index
Optical homogeneity
Stress birefringence/strain
>Measurement of Spectral Transmission and Reflection
Transmission at UV, visible and infrared wavelengths
Internal transmittance
>Measurement of Mechanical Characteristics
Knoop and Vickers hardness
Poisson's Ratio and Young's Modulus
Photoelastic constant
>Measurement of Thermal Characteristics
Linear expansion coefficient
Thermal conductivity
Strain point and annealing point
Softening point
>Evaluation of Chemical Durability
Evaluation of chemical durability by powder
and surface methods
>Dimensional Measurements
Flatness, surface roughness, concentricity, angles, etc.
Analysis of composition and raw materials
Major and minor chemical composition elements
>Micro Topography and Compositional Analysis
Pin-point surface analysis by SEM / EPMA
X-Ray Fluorescence (XRF) measurement
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