Reference: Lab Experiments Journal vol-15, No.2, Page-115

Diffraction halos / Lycopodium experiment

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
                  

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