fresnel biprism

The Fresnel Biprism is intended for observing interference by creating two virtual sources of light, by refracting the light from a single coherent source. 

The Fresnel Biprism can be used with the Prism Table on Stem enabling it to be used with optical riders and optical benches for a range of demonstrations and experiments. Equipment such as the Helium-Neon Laser is also recommended. 

features of the fresnel biprism

• Fresnel Biprism for observing interference by creating two virtual sources of light
• Refracts the light from a single coherent source
• Can be combined with prism tables, for use with optical riders and benches
• Ideal for use with a light source such as the Helium-Neon Laser

specifications of the fresnel biprism

• Dimensions: 50 x 50 x 2mm
• Prism angle: 179° approx
• Refractive index: 1.5231

compatible equipment

• Prism Table on Stem
• Helium-Neon Laser
• Optical Rider D
• Optical Precision Bench D