Reference: Lab Experiments Journal vol-3, No.4, Page-284
Circular hole diffraction
Model: LDS-201
Experiment(s):
Determination of wavelength of Laser
Determination of diameter of aperture
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. 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. Circular hole slit
Mount: Suitable to be fitted on Laser Hole dia: 1 to 2 mm