Laser Diffraction Kit, lets students create, view, and measure diffraction and interference patterns, kit includes two laser pointers-red and green - along with a convenient mounting base and a slide set of diffraction objects
vertically-aligned set LED, easy and dramatic demonstration of the relationship between the color and wavelength of light, spectral range of each LED can be investigated with spectrometer, or just viewed for comparisons with each other
Light Guide Demonstrator, S Shaped Bar. 220mm X 20mm X 20mm, For Use With Ray Box, 220mm Long, Bottom Of Bar Is White To Aid Visibility, It Helps Students To Understand The Principles Of Optical Communications. The Bottom Of The Bar Is White To Aid Visibility.