Reference: Lab Experiments Journal vol-15, No.2, Page-115
Diffraction halos / Lycopodium experiment
Model: DH-201
Experiment(s):
Determination of size of the particles by diffraction
Specifications
1. Laser
Type: Semiconductor diode Laser Wavelength: 625 nm (Red) Output power: 3 mW Mount: Cast iron base with leveling screw Power supply Output: Suitable for 3 mW & 5 mW semiconductor Lasers Rated Input: 220 V/50 Hz or 110 V/60 Hz Mains cord: 2 pin
2. Lycopodium slide
Lycopodium powder sandwiched between glass plates with a stand
3. Lycopodium screen
Acrylic semi transparent screen graduated in cm or White screen
4. Measuring Tape
Length: 3 m