Reference: Lab Experiments Journal vol-2, No.3, Page-15

Laser diffraction by adjustable single slit

Experiment(s):

Determination of wavelength of Laser

Determination of slit width

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 & 5mW semiconductor Lasers
Rated Input: 220 V/50 Hz or 110 V/60 Hz
Mains cord: 2 pin
                  

2 . Light detecting microscope

                    Bed travel: 100 mm (One Axis)
Resolution: 0.001 mm
Output: Displayed on meter in mm
Sensor: Photo detector
Base: Cast iron
                  

3 . Adjustable slit

                    Mount: Suitable to be fitted on Laser
Slit: Adjustable through micrometer
Maximum width: 10 mm
LC: 0.01 mm
                  

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