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Light-material Interaction in 3D Capture Systems

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Light-material Interaction in 3D Capture Systems

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Questions and Answers

What kind of light first allowed the creation of a 3D scanner?

Laser light (correct)

Incandescent light

LED light

Halogen light

Which type of optical 3D capture system uses laser dot matrix or colored lens as light sources?

Photogrammetry

Pattern projection

Optomechanical tools

Triangulation laser spot (correct)

Which principle of optical 3D capture is based on direct measurement of distance using Time of Flight and Phase Shift methods?

Triangulation Laser spot

Laser plane projection

FM-CW laser radar (correct)

Passive photogrammetry

What type of light allows the generation of extremely focused spots at long ranges in a 3D scanner?

Laser light Signup and view all the answers

Which type of light is characterized by photons, short packets of electromagnetic energy?

Laser light Signup and view all the answers

What property of laser light enables it to allow the creation of a 3D scanner?

Specific wavelength and phase Signup and view all the answers

What allows a laser to emit light with a very narrow spectrum?

Single wavelength photons Signup and view all the answers

Why is laser light highly collimated?

Confinement between parallel mirrors Signup and view all the answers

What is the purpose of an optical cavity in laser beam formation?

To constrain light propagation Signup and view all the answers

In a laser, what is the term for the distance between the image capture device and the light source?

Baseline b Signup and view all the answers

Why is laser light more suitable for effective lens focusing compared to white light?

Laser light is monochromatic Signup and view all the answers

What optical characteristic defines laser light's ability to be focused to a tight spot and narrow over great distances?

Parallel rays Signup and view all the answers