Reference: Lab Experiments Journal vol-6, No.1, Page-22

Laser diffraction by grating

Experiment(s):

Determination of wavelength of Laser / Grating constant

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 . 3 in 1 window grating

                    Three different grating suitable for Laser diffraction
100 Lines/mm, 300 Lines/mm & 600 Lines/mm
                  

3 . OR Single window grating

                    Single grating suitable for Laser diffraction of 500 Lines/Inch
                  

4 . Screen & grating holder

                    Metal white screen and grating holder suitable for any standard grating
                  

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