Give the reasons of:1. In a cavity laser, a beam could be transmitted through the cell without being distorted by the cell wall.2. The statistical weight for most levels are essentially the in dense material.3. Homogeneous broading.

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Kaylin Barry · Accepted Answer

ANSWER 1laser cavity tends to select specific wavelengths within the normal gain bandwidth of the laser gain medium that have an exact integral number of waves that fit between the mirrors (modes).These modes, which (if there are more than one) are equally spaced in frequency or wavelength and tend to be amplified at the expense of other wavelengths that suffer losses by not exactly “fitting” between the mirrors.In principal these modes can “narrow up” to widths of the order of a few hertz, but cavity stability problems tend to keep them from going much below 1000 Hz unless extremely stable environments and rigid cavity structures are available.

Cesar Mcguire · Accepted Answer

answer for 2 and 3 question&#039;sThe statistical weights of various electronic states in molecules are also determined by the type of the states (for the nomenclature of the states with the symbol   2  S  +  1     ∧).For diatomic and linear poly-atomic molecules, the quantity allows for the spin splitting into 2S+1 components and additional splitting into two components in the states whose quantum number of the electronic momentum projection on the inter nuclear axis is   ∧&amp;gt;1(  ∧-doubling).3)Homogeneous broadening is a type of emission spectrum broadening in which all atoms radiating from a specific level under consideration radiate with equal opportunity.If an optical emitter shows homogeneous broadening, its spectral line width is its natural line width, with a Lorentzian profile.

Give the reasons of: 1. In a cavity laser, a beam

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