0
Why does stimulated emission occur (your answer should include an explanation of probability)?
Stimulated emission occurs when an incoming photon interacts with an excited atom, causing it to emit a second photon that is identical in frequency, phase, and direction. The probability of stimulated emission is higher when the atom is already in an excited state and encounters an incoming photon with the same energy level, which promotes the emission process. This process amplifies the intensity of the light signal and is the basis of operation for lasers.
What else can I help you with?
What are the conditions for laser?
The conditions for laser operation include having an active medium to generate light amplification by stimulated emission of radiation, a mechanism for pumping energy into the active medium, and mirrors to create optical feedback to sustain laser oscillation.
What is the emission of energy in the forms of waves?
The emission of energy in the form of waves is called radiation. This can include electromagnetic waves like light, as well as other forms of energy such as heat or sound waves. Radiation is how energy is transmitted through space.
Q1 What are the main componenets of laser Explain each of them in short?
The main components of a laser are the gain medium, the pump source, and the optical resonator. Gain medium: It is a material that amplifies light through stimulated emission. Examples include crystals, gases, and semiconductors. Pump source: It provides energy to the gain medium to stimulate the emission of photons. This can be a flash lamp, diode laser, or another laser. Optical resonator: It consists of mirrors that reflect and amplify light within the gain medium. One mirror is fully reflective, while the other allows some light to pass through, creating the laser beam.
What is the emission of energy in the form of waves through space or a material?
The emission of energy in the form of waves through space or a material is called radiation. This can include electromagnetic radiation like light, radio waves, and X-rays, as well as other forms of energy transfer such as heat or sound waves.
What are some examples of light emission in everyday objects and natural phenomena?
Light emission is a common occurrence in everyday life and nature. Some examples include the glow of a light bulb, the flicker of a candle flame, the sparkle of a diamond, the flash of lightning, and the shimmer of bioluminescent organisms like fireflies.
What are effects?
The effects of electricity might include the actual emission of electrons. This would include emission that causes lighting.
What are electric effects?
The effects of electricity might include the actual emission of electrons. This would include emission that causes lighting.
Why should probability always include a number?
Probability is a numerical value and there must bea number, not just include one.
Can a random variable include the probability of an event?
No.
What is an explanation of functions of marketing?
Explanation should include the marketing functions and their application to business operations.
What are the advantages and disadvantage of Flame emission?
Advantages of flame emission include high sensitivity, wide dynamic range, and speed of analysis. However, disadvantages can include interferences from other elements, the need for sample preparation, and potential contamination of the flame.
What part of speech is the word Radar?
"RADAR" is a noun, and it is an abbreviation that you can pronounce, making it an acronym (literally "High name").Similar acronyms include "LASER" and "SCUBA".RADAR stands for "RAdio Detection And Ranging".LASER stands for "Light Amplification by Stimulated Emission of Radiation" ('Radiation in this case refers to the light).SCUBA stands for "Self Contained Underwater Breathing Apparatus".
What are the conditions for laser?
The conditions for laser operation include having an active medium to generate light amplification by stimulated emission of radiation, a mechanism for pumping energy into the active medium, and mirrors to create optical feedback to sustain laser oscillation.
What are 2 methods of analysis that include spectroscopy?
Emission photo-spectroscopy and Absorption photo-spectroscopy.
What is an explanation question?
A Explanation Question is a question that allows the user to view reference information, which can include text, images, links and attachments.
What is the adjective for explanation?
The verb "to explain" has adjective forms explained, explaining, and explanatory.
What are some light sources?
(Includes answer to the question "Name ten sources of (visible) light") All light originates in the emission of photons from electronic or nuclear processes, however those processes come in a variety of flavors, such as: 1. Thermal emission, consisting of "black body" radiation from hot objects such as incandescent light bulb filaments, and many other examples. 2. Molecular emission, such as that from hot gases in the flame of an oxyacetylene torch. 3. Phosphorescence, the delayed emission of light from a material after it has been stimulated, such as from the screen of a CRT tube after it is bombarded by electrons. 4. Fluorescence, the direct emission of light by some substances when they are stimulated by electrons or electric currents, such as an ordinary fluorescent light bulb. 5. Bioluminescence, such as the light emitted by Fireflies by means of chemical processes. Other examples include certain worms and fish. 6. Chemiluminescence, light emitted in chemical reactions other than in living things. 7. Sonoluminescence, light emission by the collapse of tiny bubbles in a fluid stimulated by sound waves. 8. Cerenkov or Cerenkov radiation, which is emitted when particles move faster than the speed of light through a medium (not faster than the speed of light in a vacuum). 9. Spontaneous emission, such as in a Light Emitting Diode (solid state) or Neon Bulb (Gaseous state) when stimulated by an electric current. 10. Stimulated emission, such as a laser. 11. Scintillation, a variation of fluorescence in which, for example, some substances emit light when struck by a subatomic particle. 12. Cyclotron radiation, which occurs when electrons are decelerated, whether in a straight line or by curving, as in a Cyclotron. (Partially adapted from the entry on "Light" on Wikipedia.)
