Brewster’s angle

a) Optical bench goniometer:

Bench Length: 500 mm
Sliders: 3 (Laser, Polarizer & Goniometer)
Material: Cast iron heavy base with leveling screw, hardened aluminium rail

Semi-conductor diode Laser
Laser: 650 nm (Red)
Power: 5 mW

Polarizer
Graduated on 360° rotating platform

Goniometer
Graduated on 360° Fixed Platform with rotating sample bed and rotating pin hole sensor

b) Power supply and detector:

Power Supply: Capable of powering up to 10 mW semiconductor Laser
Detector: Connected to relative Light intensity meter with auto calibration