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LASER DIFFRACTION BY ADJUSTABLE SINGLE SLIT

Experiment(s):

1. Determination of wavelength of Laser

2. Determination of slit widths



Specifications:

a) Laser
Type: Semiconductor diode Laser
Wavelength: 625 nm (Red)
Output Power: 3 mW
Mount: Cast iron base with levelling 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

b) 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

c) 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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