Optical bench

Specifications

An optical bench made of cross sectional aluminium pipe with closed ends, fitted on two moulded supports with levelling screws.
A scale graduated in millimetres is fitted on top of the optical bench. It is provided with easy sliding tilt proof riders with index mark for mounting various accessories; the height of the accessories can be adjustable with the help of knobs fitted in the riders.
The optical bench is supplied complete with the following accessories:
1| Light source: halogen lamp 12V / 24W placed on a heat resistant Support. With 2 flexible cables with 4 mm banana plugs for connecting to the power supply.
2| Circular plane glass: mounted on a metal frame.
3| Lens holder: for holding lenses of 50 mm diameter
4| Circular black metal screen with a 10 mm central aperture covered with 1.5 mm wire mesh gauze.
5| Diaphragm: circular plate with an attached rotary circular disk with 6 holes of different aperture.
6| Ground glass screen mounted on a metal frame
7| Grating holder: rectangular plate with a centred circular aperture and fitted with two clips to hold the different size gratings.
8| Cross slits with arrowhead: to Project the arrow head images
9| Jolly’s photometer: a thin aluminium foil is sandwiched in between two equal sized rectangular acrylic blocks fitted inside a plastic moulded block.
Two eyepieces fitted on opposite sides of the block to differentiate between the light intensity of two light sources.
10| Support with needles: four needles mounted on a plastic block in straight line.
11| Receiving screen: a white rectangular acrylic sheet with two printed perpendicular lines, one of them with a graduation of 60 mm in vertical direction.

This instrument allows the performance of optics related experiments such as image formation, reflection/refraction through optical elements, etc

Lenses and power supply not included.