Laser Fundamentals Quiz
20 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What are the basic properties of a laser system?

  • Conduction, convection, and radiation
  • Absorption, spontaneous emission, and stimulated emission (correct)
  • Reflection, refraction, and diffraction
  • Frequency, amplitude, and wavelength

What is the principle of holography based on?

  • Principle of recording interference patterns (correct)
  • Principle of total internal reflection
  • Principle of photoelectric effect
  • Principle of diffraction grating

What is the condition for laser action?

  • Magnetic field alignment
  • Electron excitation
  • Population inversion (correct)
  • Thermal equilibrium

What is the structure of optical fibers based on?

<p>Core and cladding (D)</p> Signup and view all the answers

What is the measurement of acceptance angle and numerical aperture of an optical fiber related to?

<p>Modes of propagation (B)</p> Signup and view all the answers

What are the basic properties of laser according to the text?

<p>Absorption, spontaneous emission, and stimulated emission (B)</p> Signup and view all the answers

What is the principle of holography as mentioned in the text?

<p>Recording and reconstruction of 3D images using interference patterns (A)</p> Signup and view all the answers

What is the condition for Laser action as per the text?

<p>Population inversion and stimulated emission (C)</p> Signup and view all the answers

What is the structure of optical fibers according to the text?

<p>Core, cladding, and buffer (A)</p> Signup and view all the answers

What is the measurement used to determine the acceptance angle of an optical fiber as per the text?

<p>Numerical aperture (B)</p> Signup and view all the answers

What is the principle involved in the recording of holography?

<p>Interference of light waves (B)</p> Signup and view all the answers

What is the condition for laser action to occur?

<p>Population inversion (A)</p> Signup and view all the answers

What is the parameter used to determine the quality of optical fibers in terms of light transmission?

<p>Attenuation (C)</p> Signup and view all the answers

What do Einstein’s coefficients describe in the context of laser operation?

<p>Transitions between energy levels (D)</p> Signup and view all the answers

What is the main advantage of using optical fibers in point-to-point communication?

<p>Low signal attenuation (C)</p> Signup and view all the answers

What is the principle behind holography?

<p>Recording interference patterns of light (A)</p> Signup and view all the answers

What is the condition for laser action?

<p>Population inversion (D)</p> Signup and view all the answers

What is the structure of optical fibers based on?

<p>Core and cladding (D)</p> Signup and view all the answers

What is the measurement used to determine the acceptance angle of an optical fiber?

<p>Critical angle (C)</p> Signup and view all the answers

What is the principle of recording in holography primarily based on?

<p>Wave interference (D)</p> Signup and view all the answers

More Like This

Lasers simplified
18 questions

Lasers simplified

HonestSynergy avatar
HonestSynergy
LASERS
48 questions

LASERS

BreathtakingBinary924 avatar
BreathtakingBinary924
Use Quizgecko on...
Browser
Browser