This material is the same as used in the prism glasses --13,500 lines per inch, double axis, holographic diffraction grating. Purchase in either 8 in. x 10 in. sheets or mounted in standard 2 in. x 2 in. slide frames for easy handling during classroom experiments.
This material is the same as used in the prism glasses --13,500 lines per inch, double axis, holographic diffraction grating. Purchase in either 8 in. x 10 in. sheets or mounted in standard 2 in. x 2 in. slide frames for eas...
