These Holographic Diffraction Gratings are highly-efficient, embossed Holographic Optical Elements (H.O.E.) and ideal for the direct viewing and analysis of spectra from gas tubes and other light sources. The quality of the spectrum produced is the brightest possible with a minimum of distracting visual noise. Try using these diffraction gratings in conjunction with colored film gels for additive and subtractive color demonstrations! 2” X 2”.
Arbor Scientific is a leading provider of Physics and Physical Science teaching equipment tested and approved by educators recognized for their expertise. Arbor Scientific works with teachers at all levels to find the ‘Cool Stuff’ – unique demonstration and laboratory tools – and then provides lesson plans, supportive teaching guides and science teaching supplies to make each learning experience fun and effective.