Longitudinal modes contribute only a single spot of light to the laser output. State whether the given statement is true or false.

Related MCQs

• The Nd: YAG laser is costlier than earth-doped glass fiber laser. State whether the following statement is true or false
• Fiber based lasers provide diffraction-limited power at higher levels than solid-state laser. State whether the given statement is true or false
• The differential attenuation of modes reduces intermodal pulse broadening on a multimode optical link. State whether the given statement is true or false.
• Reduction in the number of modes in multimode fiber increases the mode partition noise. State whether the given statement is true or false.
• Some refractive index variation is introduced into lateral structure of laser. State whether the given statement is true or false.
• Strip geometry of a device or laser is important. State whether the given statement is true or false.
• The thulium doped fiber laser when pumped with alexandrite laser output at 0.786 μm, the laser emits at
• 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.
• A ho*mo-junction is an interface between two adjoining single-crystal semiconductors with different band-gap energies. State whether the given statement is true or false.
• A BH can have anything from a single electron to several electrons. State whether the given statement is true or false.