Laser diffraction by rectangular aperture
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a) Microscope
Air-wedge microscope
Reflector: 45° turning glass plate
Acrylic pre-cut assembly with magnetic base
Fixed glass plates with sandwiched strip
Base Material: Cast iron
Moving components: Brass
Reading: Screw gauge type reading micrometer
b) Sodium vapour lamp set (Optional)
Lamp: Philips / Thorne 35 W
Lamp House: Single lamp type with fixed slit openings
Transformer: 35 W, Instant ON type
Rated Input: 220 V/50 Hz or 110 V/60 Hz