[Home | M3 Measurment Solutions Inc. | Refractive Index | Dispersion | DN/DT | Homogeneity | Opto-Mechanical Design Consulting | Automation/Motion control Design | Custom Optical Test Equipment Design & Manufacturing M³ Measurement Solutions is the world’s leading laboratory for infrared optical material testing. Specializing in refractive index, dn/dT, and dispersion measurements. ]