Laser Accessory Set

A set of compatible items which will enable diffraction to be investigated with slits, gratings, pinhole spots and other obstacles.

The set comprises:

• 1 Set of six lenses, focal lengths -100, -50, +50, +100, +200 and +1000mm

• 3 Lens holders

• 1 Slide holder for 50mm square slides

• 1 Pinhole slide, 50mm square, with holes of 0.2, 0.1 and 0.05mm

• 1 Slide with single and double slits

• Set of six slides with 1, 2, 3, 4, 5, and 6 slits respectively

• 1 Set of three diffraction grating slides of 150 and 300 lines

• 1 Air cell for refractive index of gases. Path length 75mm approx

• 2 Microscope slides 76 x 25mm

• 1 Glass scale 200 x 25 x 6mm, scale 0 to 150 mm x 1mm

• 1 Support stand for glass scale

• 1 Slide, 50mm square with circular obstacles for Fresnel diffraction

• 6 Bead headed mapping pins and needle for Fresnel diffraction

• 1 Hologram (ready prepared)

• 1 Copy of Manual of School Laser Demonstrations