This Michelson Interferometer is a precision instrument designed for educational institutions to determine the wavelength of monochromatic light. This classic optical interferometry configuration, invented by Albert Abraham Michelson, utilizes a beam splitter to divide a light source into two arms, which are then reflected back to the beam splitter and combined interferometrically.
This model features a sodium vapor lamp as the light source, emitting two extremely close wavelengths (D1 and D2 Fraunhofer lines) that require sensitive equipment to distinguish. By measuring these lines, users can determine the average wavelength and the difference between the two emission lines of sodium.
The instrument is mounted on a sturdy iron base, ensuring stability and durability. High-precision components, made from aluminum and mounted on a cast iron base, include a beam splitter, compensator plates, and reflecting mirrors. All flat optics have a flatness of at least ?/4 and are protected with a silicon monoxide coating. The instrument features a reading telescope with 3x magnification, Ramsden eyepiece, and cross-line graticule, as well as a 20x objective with a mount.
To determine the wave length of monochromatic light using sodium light source or He- Ne laser
Features Sodium vapor lamp light source can be attached Beam splitter and compensator plates Reflecting mirrors and reading telescope High-precision components and sturdy iron base Suitable for educational institutions Easy to Assemble and Use Built-in Micrometer & Smooth Mirror Movement
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