Important Questions [12]
- Differentiate Between Spontaneous and Stimulated Emission.
- Differentiate between spontaneous and stimulated emission.
- What is population inversion? Explain it’s significance in the operation of LASER.
- What is pumping in LASER? Give the types of pumping.
- Explain Construction and Working of Nd:Yag Laser.
- Explain construction and working of Nd: YAG laser.
- Write Difference Between Led and Laser Diode.
- With a Neat Energy Level Diagram Describe the Construction and Working of He-ne Laser. What Are the Merits and Demerits?
- What is the Difference Between Photography and Holography? Explain Holography Technique to Obtain 3d Image of an Object.
- Explain Construction and Working of He:Ne Laser with Neat Label Diagram.
- Explain the construction and reconstruction of hologram with neat diagram.
- What is holography? Differentiate between holography and photography.
Concepts [14]
- Quantum Processes as Absorption
- Spontaneous Emission and Stimulated Emission
- Metastable States
- Population Inversion
- Pumping
- Resonance Cavity
- Einsteins’S Equations
- Helium Neon Lase
- Nd:Yag Lase
- Semiconductor Laser
- Applications of Laser
- Holography (Construction and Reconstruction of Holograms)
- Industrial Applications(Cutting, Welding Etc)
- Applications in Medical Field
