Numerical Aperture & Acceptance angle

a) X-Y Bed

Bed length: 220 mm
Screen: 35 mm dia
Graduations on screen: 2 mm
Movement: Course and fine using screw movement

b) 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

c) Optical Fibre Cable (OFC)

Length: 1.5 m or 3 m
Core dia of the cable: 0.5 mm