This is a replacement Red Diffraction Laser for the Diffraction Apparatus, which provides a clean monochromatic light source with a wavelength of 636 nm. The Red Diffraction Laser is a Class 2 laser product.
Due to recent changes in U.S. trade policy, new tariffs are being implemented that impact our products. This means a surcharge of 10% will be applied to orders received starting May 12th, with the exception of software and books. Learn more.