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The rest of the ______ acts as host and supports active centers. The ______ hosting the active centers is called the active ______
The rest of the ______ acts as host and supports active centers. The ______ hosting the active centers is called the active ______
medium
An ______ medium is a medium which when excited reaches the state of population inversion and promotes stimulated emissions leading to light amplification
An ______ medium is a medium which when excited reaches the state of population inversion and promotes stimulated emissions leading to light amplification
active
Such ______ can produce more stimulated emission than spontaneous emission and cause amplification of light. Those ______, which cause laser action, are called active centers
Such ______ can produce more stimulated emission than spontaneous emission and cause amplification of light. Those ______, which cause laser action, are called active centers
atoms
Even in a medium consisting of different species of ______, only a small fraction of ______ of a particular type have energy level system suitable for achieving population inversion
Even in a medium consisting of different species of ______, only a small fraction of ______ of a particular type have energy level system suitable for achieving population inversion
Even in a medium consisting of different species of ______, only a small fraction of ______ of a particular type have energy level system suitable for achieving population inversion
Even in a medium consisting of different species of ______, only a small fraction of ______ of a particular type have energy level system suitable for achieving population inversion
The rest of the medium acts as host and supports active centers. The medium hosting the active centers is called the active
The rest of the medium acts as host and supports active centers. The medium hosting the active centers is called the active
Such ______ can produce more stimulated emission than spontaneous emission and cause amplification of light. Those ______, which cause laser action, are called active centers
Such ______ can produce more stimulated emission than spontaneous emission and cause amplification of light. Those ______, which cause laser action, are called active centers
An ______ medium is a medium which when excited reaches the state of population inversion and promotes stimulated emissions leading to light amplification
An ______ medium is a medium which when excited reaches the state of population inversion and promotes stimulated emissions leading to light amplification
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