What is the unit of normalized frequency?

Related MCQs

• What is the unit of normalized frequency?
• A multimode step index fiber has a normalized frequency of 72. Estimate the number of guided modes.
• For suitable power confinement of fundamental mode, the normalized frequency v should be maintained in the range 1.5 to 2.4μm and the fractional index difference must be linearly increased as a square function while the core diameter is linearly reduced to keep v constant. This confinement is achieved by-
• When three wave components co-propagate at angular frequency w1, w2, w3, then a new wave is generated at frequency w4, which is given by
• A graded-index fiber has a core with parabolic refractive index profile of diameter of 30μm, NA=0.2, λ=1μm. Estimate the normalised frequency.
• A graded-index fiber has a core with parabolic refractive index profile of diameter of 30μm, NA=0.2, λ=1μm. Estimate the normalised frequency.
• High frequency optical phonon is generated in stimulated Raman scattering. State true or false
• The frequency of the absorbed or emitted radiation is related to difference in energy E between the higher energy state E2 and the lower energy state E1. State what h stands for in the given equation?
• The radiation emission process (emission of a proton at frequency) can occur in __________ ways.
• An incandescent lamp is operating at a temperature of 1000K at an operating frequency of 5.2×1014 Hz. Calculate the ratio of stimulated emission rate to spontaneous emission rate.