Bi-Prism using Laser

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

b) Bi-Prism

Moulded bi-prism on a stand
Material: Glass, R.I 1.54

c) Light detecting microscope

Bed travel: 100 mm (one axis)
Resolution: 0.001 mm
Output: Displayed in mm
Sensor: Photo detector
Base: Cast iron