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Showing posts from March 8, 2021Show all
The diffusion process is _____________ as compared with drift.

The diffusion process is _____________ as compared with drift. 9:17 AM

Electron-hole pairs are generated in ___________

Electron-hole pairs are generated in ___________ 9:15 AM

The width of depletion region is dependent on ___________ of semiconductor.

The width of depletion region is dependent on ___________ of semiconductor. 9:13 AM

Non-zero-dispersion-shifted fiber was introduced in the year 2000.

Non-zero-dispersion-shifted fiber was introduced in the year 2000. 9:11 AM

The variant of non-zero-dispersion-shifted fiber is called as __________

The variant of non-zero-dispersion-shifted fiber is called as __________ 9:08 AM

Any amount of stress occurring at the core-cladding interface would be reduced by grading the material composition.

Any amount of stress occurring at the core-cladding interface would be reduced by grading the material composition. 9:05 AM

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?

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? 9:03 AM

The fibers which relax the spectral requirements for optical sources and allow flexible wavelength division multiplying are known as __________

The fibers which relax the spectral requirements for optical sources and allow flexible wavelength division multiplying are known as __________ 9:00 AM

An alternative modification of the dispersion characteristics of single mode fibers involves achievement of low dispersion gap over the low-loss wavelength region between __________

An alternative modification of the dispersion characteristics of single mode fibers involves achievement of low dispersion gap over the low-loss wavelength region between __________ 8:58 AM

Dispersion-shifted single mode fibers are created by __________

Dispersion-shifted single mode fibers are created by __________ 8:54 AM

The dispersion due to material, waveguide and profile are -2.8nm -1 km -1 , 20.1nm -1 km -1 and 23.2nm -1 km -1 respectively. Find the total first order dispersion?

The dispersion due to material, waveguide and profile are -2.8nm -1 km -1 , 20.1nm -1 km -1 and 23.2nm -1 km -1 respectively. Find the total first order dispersion? 8:52 AM

A single mode fiber has a zero dispersion wavelength of 1.21μm and a dispersion slope of 0.08 psnm -2 km -1 . What is the total first order dispersion at wavelength 1.26μm.

A single mode fiber has a zero dispersion wavelength of 1.21μm and a dispersion slope of 0.08 psnm -2 km -1 . What is the total first order dispersion at wavelength 1.26μm. 8:50 AM

Most of the power in an optical fiber is transmitted in fiber cladding.

Most of the power in an optical fiber is transmitted in fiber cladding. 8:47 AM

Γ g = dβ / C*dk. What is β in the given equation?

Γ g = dβ / C*dk. What is β in the given equation? 8:45 AM

A multimode fiber has RMS pulse broadening per km of 12ns/km and 28ns/km due to material dispersion and intermodal dispersion resp. Find the total RMS pulse broadening.

A multimode fiber has RMS pulse broadening per km of 12ns/km and 28ns/km due to material dispersion and intermodal dispersion resp. Find the total RMS pulse broadening. 8:43 AM

A multimode step index fiber has source of RMS spectral width of 60nm and dispersion parameter for fiber is 150psnm -1 km -1 . Estimate rms pulse broadening due to material dispersion.

A multimode step index fiber has source of RMS spectral width of 60nm and dispersion parameter for fiber is 150psnm -1 km -1 . Estimate rms pulse broadening due to material dispersion. 8:40 AM

The losses caused due to hydrogen absorption mechanisms are in the range of ___________

The losses caused due to hydrogen absorption mechanisms are in the range of ___________ 8:38 AM

The losses due to hydrogen absorption and reaction with fiber deposits can be temporary.

The losses due to hydrogen absorption and reaction with fiber deposits can be temporary. 8:35 AM

The radiation-induced attenuation can be reduced through photo-bleaching.

The radiation-induced attenuation can be reduced through photo-bleaching. 8:33 AM

__________ can induce a considerable amount of attenuation in optical fibers.

__________ can induce a considerable amount of attenuation in optical fibers. 8:32 AM

The diffusion of hydrogen into optical fiber affects the ______________

The diffusion of hydrogen into optical fiber affects the ______________ 8:29 AM