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Michelson Interferometer w/ Sodium Light When a coherent light beam enters into beam splitter, it is divided into two parts, thus two beams travel in different directions, are reflected into each other through two mirrors forming interference patterns when they are combined and superimposed. In this setup the wavelength of sodium light is measured using equation: λ=2.L/m Where L is the total displacement and m is the number of intensity maxima counted. Features: High quality optics (flatness λ /8). Highly stable Interferometer body (weight 7.8 Kg approx). 3 Knurled screw for easy mirror adjustment. Modern & user friendly design (compatible with different light sources). Gear arrangement provides Least count 0.0001 mm. 4 Levelling screws for height adjustment. Objectives: To determine the wave length of monochromatic light (using sodium light source). Technical Data: Moveable mirror : Range 10 – 0 – 10mm Course knob : Least count 0.01 mm, Micro meter fine : Least count 0.0001mm, Beam splitter : Rectangular, size 50 x 39 x 7mm, R/T% 50/50, Flatness λ/8 (at 632mm) Compensator : Rectangular, size 50 x 39 x 7mm, Flatness λ/8 (at 632mm) Mirror : Circular, 2 nos., dimension 30 x 10mm Dimension : 290 x 210 x 230mm (Lx W x H) Telescope : Tube 90 x 25mm (L x Ø), 10x eye piece Sodium source : MS housing, 200 x 85mm (L x Ø), slit (L x W) 20x16mm Scope of Delivery: 1 Michelson Interferometer 1 Sodium light source with supported accessories 1 Telescope with Holder 1 Pin hole 1 Ground glass 1 Glass/Pin Holder Key Topics: Interference. Wave length. Coherent sources. Superposition. Virtual light source Circular fringes
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$2,250.00