Podcast
Questions and Answers
In laser systems, what is the result of stimulated emission when a photon of energy stimulates an electron to transfer between states?
In laser systems, what is the result of stimulated emission when a photon of energy stimulates an electron to transfer between states?
Which phenomenon involves forcing or stimulating an electron to transfer between different energy states?
Which phenomenon involves forcing or stimulating an electron to transfer between different energy states?
What is the term for the condition where more atoms or molecules are in a higher energy state than in a lower energy state?
What is the term for the condition where more atoms or molecules are in a higher energy state than in a lower energy state?
What is the term used to describe the power emitted from a unit area per solid angle?
What is the term used to describe the power emitted from a unit area per solid angle?
Signup and view all the answers
Which characteristic of lasers makes their irradiance far greater than other sources?
Which characteristic of lasers makes their irradiance far greater than other sources?
Signup and view all the answers
What does Population Inversion refer to in lasers?
What does Population Inversion refer to in lasers?
Signup and view all the answers
Which process involves the emission of a photon by a stimulated atom or molecule?
Which process involves the emission of a photon by a stimulated atom or molecule?
Signup and view all the answers
In laser systems, what term is used to describe the transition of an electron from a higher energy state to a lower energy state?
In laser systems, what term is used to describe the transition of an electron from a higher energy state to a lower energy state?
Signup and view all the answers
What term describes the power emitted from a laser per unit area?
What term describes the power emitted from a laser per unit area?
Signup and view all the answers
What technique is used to concentrate the energy into a pulse?
What technique is used to concentrate the energy into a pulse?
Signup and view all the answers
Which technique shortens the width of the pulse in time?
Which technique shortens the width of the pulse in time?
Signup and view all the answers
What is the formula for calculating the average power of a pulsed laser?
What is the formula for calculating the average power of a pulsed laser?
Signup and view all the answers
What is the unit of peak power of a pulsed laser?
What is the unit of peak power of a pulsed laser?
Signup and view all the answers
How is monochromaticity measured in a light source?
How is monochromaticity measured in a light source?
Signup and view all the answers