Reference: Lab Experiments Journal vol-4, No.3, Page-180 Lab Experiments Journal vol-12, No.4, Page-310
Michelson Interferometer
Model: MIC-1218
Experiment(s):
Determination of average wavelength of Sodium D1 and D2 lines
Determination of D1-D2 separation & thickness of Mica
Determination of average wavelength of semiconductor diode Laser
Specifications
1. Interferometer
Adjustable beam splitter, twin parallel arrangement Mirror: 2 Axis adjustment LC: 0.001 mm Measurement: 3 scale method Mirror coating: Silver finished
2. Laser & power supply
Type: Semiconductor diode Laser with beam diffuser 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
3. Digital fringe counter
Calibration for dark and bright spots: Manual Suitable for rings >10 mm dia Display: LCD readout Rated Input: 220 V/50 Hz or 110 V/60 Hz
4. Sodium vapour lamp set
Lamp: Philips / Thorne 35 W Lamp House: Single lamp type with fixed slit openings Transformer: 35 W, instant ON Rated Input: 220 V/50 Hz or 110 V/60 Hz