Quiz on Laser Diodes

What is a diode?

• A device that amplifies current flow

• A device that allows current to flow in both directions

• A two-terminal component that allows current to flow in one direction

• A device that blocks current flow completely

What is the result of the interaction between the two regions within a diode?

• Charges are neutralized

• Creation of a depletion zone

• Voltage spikes occur

• Current flows in both directions

What is the purpose of the intrinsic layer in laser diodes?

• To block current flow

• To amplify current flow

• To separate the p-type and n-type regions

• To create spontaneous emissions

What determines the color of the laser beam produced by a laser diode?

• The lens attached to the diode

• The power of the laser

• The operating temperature of the diode

• The semiconductor material used in the diode

Why are laser beams very narrow and bright?

• High power output of the laser diode

• Coherence of the light waves and ray collimation

• Because of the spontaneous emissions

• Due to the lens attached to the diode

What is the safety class of a laser determined by?

• The laser's beam shape

• The laser's operating temperature

• The laser's color

• The laser's power and wavelength

What is the best safety practice when handling lasers?

• Using lasers without any protective gear

• Avoiding pointing lasers at eyes

• Pointing lasers at eyes for a short duration

• Looking directly into laser beams

What do laser modules provide in addition to the laser diode?

• Protection from overheating and current surges

• Additional power output

• Increased beam width

• Enhanced beam color options

What is the full form of the term 'laser'?

• Laser Amplification by Stimulated Emission of Radiation

• Light Amplification by Stimulated Emission of Radiation

• Luminous Amplification by Stimulated Emission of Rays

• Light Amplification by Stimulated Emission of Rays

What are laser pointers commonly used for?

• Cutting materials

• Recording audio

• Visual tools in meetings and classrooms

• Heating food