Components

• 20 mW diode laser

• 2 cylindrical lenses for shaping

• Mirrors for redirection

• 2 spherical lenses for resizing

• Periscope to raise the beam

• Dichroic mirror to direct beam into microscope

• Microscope with 100x oil immersion objective, eyepiece removed

• Camera connected to TV screen for viewing

Laser

Cylindrical lenses

M1

Spherical

lenses

M2

Periscope

Microscope

Infinity-correcting lens

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