Reference: Lab Experiments Journal vol-9, No.3, Page-212

Numerical aperture & acceptance angle

Experiment(s):

Determination of numerical aperture and acceptance angle of OFC

Specifications

1 . X-Y Bed

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

2 . Laser

                    Type: Semiconductor diode Laser
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 . Optical Fibre Cable (OFC)

                    Length: 1.5 m or 3 m (any one)
Core dia of the cable: 0.5 mm
                  

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