Betensh Optics specializes in manufacturing custom equilateral prisms, which are triangular optical prisms with three identical side lengths and three 60° apex angles. These prisms are commonly used for dispersive purposes, such as separating a white light source into a spectrum of multiple colors. Depending on the substrate materials, equilateral dispersive prisms can be selected to break up different spectral regions. They function similarly to a diffraction grating but offer better brightness, greater endurance to power, and fewer issues with higher orders.
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