An effective method to reduce the line-width is to make the cavity longer. State whether the following statement is true or false.

Related MCQs

• For particular materials with smaller bandgap energies operating in _____________ wavelength, the linewidth tends to ______________
• Fiber based lasers provide diffraction-limited power at higher levels than solid-state laser. State whether the given statement is true or false
• . A decibel may be defined as the ratio of input and output optical power for a particular optical wavelength. State whether the following statement is true or false.
• Rayleigh scattering can be reduced by operating at smallest possible wavelengths. State whether the following statement is true or false.
• The in-homogeneities in Mie scattering can be reduced by coating of a fiber. State whether the following statement is true or false.
• Multimode graded index fibers use incoherent source only. State whether the following statement is true or false.
• The Nd: YAG laser is costlier than earth-doped glass fiber laser. State whether the following statement is true or false
• A particular laser structure is designed so that the active region extends the edges of devices. State whether the following statement is true or false.
• Injection lasers operating in smaller wavelengths are subjected to increased carrier losses. State whether the following statement is true or false?
• Numerical aperture is constant in case of step index fiber. State whether the statement is true or false.