16 Questions
What is the full form of LASER?
Light Amplification by Stimulated Emission of Radiation
How do lasers create concentrated light beams?
By exciting atoms
Who built the first working laser using a ruby crystal in 1960?
Theodore Maiman
In which decade did practical laser development emerge?
1950s
What is the main advantage of lasers in the field of manufacturing?
High speed and precision
Which field saw breakthroughs enabled by the use of lasers?
Telecommunication
What does the acronym LASER stand for?
Light Amplification by Stimulated Emission of Radiation
Which process is responsible for the production of lasers?
Optical amplification
What is the function of the gain medium in a laser system?
To maintain the amplification process
How are excited particles in the gain medium stimulated to emit light in a laser?
By absorbing photons with higher energy
What maintains the amplification of light in a laser system?
Optical feedback from mirrors or prisms
What is the role of mirrors in the production of lasers?
To maintain optical resonator and amplify light waves
What happens when electrons in the gain medium absorb extra energy?
"Excites" the electrons enough to move from a lower-energy orbit to a higher-energy orbit
What creates a chain reaction of light emission in the gain medium?
"Excited" particles stimulating nearby excited particles
What is responsible for amplifying the light waves in a laser system?
"Partial" reflection from mirrors
In what way is the emitted light in a laser unique?
It is concentrated and coherent.
Explore the principles behind the functioning of lasers, their applications in various fields, and their advantages and disadvantages. Learn about the process of light amplification by stimulated emission of radiation and the chain reaction of light emission it causes.
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