3B Scientific Laser Optics Supplemental Set - Manual (Page 23)

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E11c Reflection of light on two glass prisms
(U17301)
Conditions for total reflection are fulfilled on every
edge.
E11d Reflection of light on two glass prisms
(U17301)
Conditions necessary for total reflection are fulfilled
on every edge.
E11e Reflection of light on two glass prisms
(U17301)
Conditions necessary for total reflection are fulfilled
on every edge.
E12 Reflection of light on air prism
(U17301)
If the incidence angle of light to the edge of the prism
(25) is smaller than critical angle (42°), the rays are
reflected into the glass. If the angle is greater, a part of
the light passes through the air prism.
Air
Air
Acrylic
Acrylic