Laser Photonics Assessment

Which of the following is a solid-state laser?

• Ruby laser

• Helium-Neon laser

• CO2 laser

• Dye laser

Which of the following is a gas laser?

• Argon laser

• YAG laser

• Semiconductor laser

• Fiber laser

What is the primary medium used in a Nd:YAG laser?

• Ruby

• Neodymium-doped Yttrium Aluminum Garnet

• Carbon Dioxide

• Helium

Which of the following is responsible for the phase consistency in a laser beam?

• Directionality

• Monochromaticity

• Coherence

• Spontaneous emission

What is the primary function of the optical cavity in a laser?

• To disperse light

• To amplify light

• To filter wavelengths

• To cool the laser medium

What is the role of the gain medium in a laser?

• To provide energy for amplification

• To focus the laser beam

• To disperse the light

• To filter out impurities

Which type of laser uses a liquid as its gain medium?

• Gas laser

• Dye laser

• Fiber laser

• Solid-state laser

What characteristic of laser light allows it to travel long distances without spreading?

• Intensity

• Directionality

• Coherence

• Monochromaticity

What is the purpose of the pumping mechanism in a laser?

• To filter the output beam

• To cool the laser medium

• To excite the atoms in the gain medium

• To stabilize the optical cavity

What is the significance of monochromaticity in laser light?

• It allows for high intensity

• It ensures the light is of a single wavelength

• It increases the beam divergence

• It reduces the energy loss in the medium