Laser Fundamentals Quiz
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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</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</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</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</p> Signup and view all the answers

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

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

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

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

    What is the principle involved in the recording of holography?

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

    What is the condition for laser action to occur?

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

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

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

    What is the principle behind holography?

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

    What is the condition for laser action?

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

    What is the structure of optical fibers based on?

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

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

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

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

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

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