Quizziz #16-Laser

What property allows lasers to focus light at a specific point?

• Wave-particle duality

• Photon multiplicity

• Spatial coherence

• Temporal coherence

Tags

NGSS.HS-PS4-5

Which type of semiconductor in a laser diode has an excess of electrons?

• Z-type

• Dual-type

• N-type

• P-type

What phenomenon occurs when a photon causes an electron and a gap to recombine in a laser diode?

• Electron shift

• Photon dispersion

• Stimulated emission

• Spontaneous emission

Tags

NGSS.HS-PS4-3

What is the purpose of the Fabry-Perot resonator in a laser diode?

• To cool down the diode

• To reflect photons back and forth to enhance stimulated emission

• To increase the size of the diode

• To generate a continuous light beam

Tags

NGSS.HS-PS4-5

What adjustment ensures the temporal coherence of the laser beam in a laser diode?

• Increasing the photon frequency

• Setting the distance between mirrors to a multiple of half the wavelength

• Adjusting the electron flow

• Aligning the semiconductor layers

Tags

NGSS.HS-PS4-1