Michelson interferometer digital digital abron ar-1015r

To determine the wavelength of monochromatic light and thickness of mica sheet. Essential Accessories: (i) Short focal length telescope to observe the fringes Optional Accessories: (ii) Attachment to convert Michelson Interferometer into Fabry-Perot Interferometer & vise versa (i) Sodium vapour lamp (35 watt) with choke and enclosure. (ii)Table Lamp. b. Michelson Interferometer with Diode laser (λ = 635nm)  ( To Measure the wave length of diode laser) Output Power 3.5mW; along with screen with base to observe the fringes. c. Michelson Interferometer with He-Ne Laser(λ = 633nm) Output Power 1.0mW with Collimator of 25mm aperture Mount for He-Ne laser having provision to align laser beam in horizontal direction