The illuminating laser light is reflected into the prism by the substage microscope mirror, and refracted through the glass by the angular sides of the prism.
(The illuminating laser light; is reflected; into the prism by the substage microscope mirror) (The illuminating laser light; refracted; through the glass; by the angular sides of the prism)
The illuminating laser light The illuminating laser light
is reflected refracted
into the prism by the substage microscope mirror
through the glass by the angular sides of the prism