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Excitation may not take place in a laser (or the like) for a number of reasons. The lasing medium may be defective or contaminated and unable to lase. The stimulation may be insufficient or incorrect. There are other technical reasons that prevent stimulation emission from taking place, but they generally have to do with the lasing medium or the action of the stimulator. Our friends at Wikipedia have a some relevant articles up, and links are provided. Knowledge there is free.
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What is the process in which electricity converts oxygen into ozone?
Lightning produces ozone through the process of electrical excitation of oxygen molecules.
What is the peak at 800nm in fluorescence spectroscopy?
It depends what you used as your excitation wavelength. If you used 800 nm as your excitation wavelength, this is due to Rayleigh scattering, where photons from the emission source are scattered off of the molecules in your sample and are picked up by the detector. If your wavelength is shorter (like 400 nm) then this is due to Raman Scattering, where the molecule either absorbs or donates energy from/to the photon during the scattering process. Scattering peaks are traditionally much sharper than fluorescence peaks.
What process does the cell does use a vesicle to move molecules out of the cells?
Exocytosis is the process that moves molecules from the inside of the cell to the outside. This process uses sacs or vesicles to move the molecules out.
Process of ozone destruction on a chemical basis?
The process of ozone destruction is a chemical process. It is a way of decomposing the ozone molecules into oxygen molecules.
What is the process by which elements change to other elements by emission of ionizing particles?
Ionization
What is the process in which electricity converts oxygen into ozone?
Lightning produces ozone through the process of electrical excitation of oxygen molecules.
What is meant by excitation?
'Excitation' describes the process of creating a magnetic field, and is used to describe that process by an electrical machine's field windings.
What is excitation coupling and list the process?
poooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooop!
What is the peak at 800nm in fluorescence spectroscopy?
It depends what you used as your excitation wavelength. If you used 800 nm as your excitation wavelength, this is due to Rayleigh scattering, where photons from the emission source are scattered off of the molecules in your sample and are picked up by the detector. If your wavelength is shorter (like 400 nm) then this is due to Raman Scattering, where the molecule either absorbs or donates energy from/to the photon during the scattering process. Scattering peaks are traditionally much sharper than fluorescence peaks.
What is the difference between raman effect and flueroscence?
Raman scattering involves the SCATTERING of electromagnetic radiation by molecules, not atoms Fluorescence emission follows an absorption process
What is an electron emission?
The process in which an electron emit from metal surface into surrounding is known as electrons emission
What is the process of excitation contraction coupling?
Like most excitable cells, muscle fibers respond to the excitation signal with a rapid depolarization which is coupled with its physiological response: contraction.
What is the name of the process by which electrons are released from a hot cathode?
thermionic emission
In which process in which process this is so you molecules does the cell use a vesicles to move molecules into the cell?
cells
What process does the cell use a vesicle to move molecules out of the cell?
Exocytosis is the process that moves molecules from the inside of the cell to the outside. This process uses sacs or vesicles to move the molecules out.
What process does the cell use a vesicle to move molecules out of the cells?
Exocytosis is the process that moves molecules from the inside of the cell to the outside. This process uses sacs or vesicles to move the molecules out.
What process does the cell use a vesicle to move molecules out of a cell?
Exocytosis is the process that moves molecules from the inside of the cell to the outside. This process uses sacs or vesicles to move the molecules out.
