LJIET_Electronics & Communication Engineering

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SESSION 43 FOC Test Equipment, OTDR , Set ups for Measurement of Attenuation

16:20

SESSION 42 FOC Test Equipments, OTDR , Set ups for Measurement of Attenuation,

14:46

SESSION 22 FOC Semiconductor Physics Background Fundamentals of optical sources

21:43

SESSION 21 FOC Example related to Bending loss Signal Distortion in Optical Waveguide Waveguide Disp

15:25

SESSION 20 FOC Material Absorption losses Absorption by atomic defects Extrinsic absorption

13:19

SESSION 19 FOC Attenuation Causes of Attenuation Attenuation units and examples

13:27

SESSION 44 FOC Fiber Dispersion Measurements, Numerical Aperture Measurement ,Eye Pattern

Chapter 12:
Fiber Optic Measurements
Fiber Dispersion
Measurements, Numerical Aperture
Measurement ,Eye Pattern
1)define Dispersion.
2)define Attenuation.
3)Define NA.
4)Explain procedure to measure NA.
5)Define Eye Diagram
6)Draw arrangement for measuring of dispersion
7)draw Eye Diagram.

มุมมอง: 172

วีดีโอ

SESSION 43 FOC Test Equipment, OTDR , Set ups for Measurement of Attenuation

16:20

SESSION 43 FOC Test Equipment, OTDR , Set ups for Measurement of Attenuation

มุมมอง 662 ปีที่แล้ว

Chapter 12: Fiber Optical Measurements : Test Equipment, OTDR , Set ups for Measurement of Attenuation, 1)what are the three fundamental aspects to characterize the fiber optic link. 2)what are the basic test measurement in optical fiber system? 3)how to measure optical power? 4)0 dBm = mW. 5)0dBµ = µW 6)what is use of spectrum analyzer? 7)what is function of optical attenuator?

SESSION 42 FOC Test Equipments, OTDR , Set ups for Measurement of Attenuation,

14:46

SESSION 42 FOC Test Equipments, OTDR , Set ups for Measurement of Attenuation,

มุมมอง 352 ปีที่แล้ว

SESSION 42 FOC Test Equipments, OTDR , Set ups for Measurement of Attenuation,

SESSION 22 FOC Semiconductor Physics Background Fundamentals of optical sources

21:43

SESSION 22 FOC Semiconductor Physics Background Fundamentals of optical sources

มุมมอง 382 ปีที่แล้ว

Chapter 3: Signal Degradation in Optical Fibers Example related to Bending loss Signal Distortion in Optical Waveguide Waveguide Dispersion Pulse Broadening in GI Fibers 1)classify Dispersion? 2)what is Intramodal dispersion? 3)Material dispersion is also called as dispersion. 4)Define waveguide Dispersion. 5)Define chromatic dispersion. 6)Write requirements of fiber optic material. 7)Explain P...

SESSION 21 FOC Example related to Bending loss Signal Distortion in Optical Waveguide Waveguide Disp

15:25

SESSION 21 FOC Example related to Bending loss Signal Distortion in Optical Waveguide Waveguide Disp

มุมมอง 372 ปีที่แล้ว

Chapter 3: Signal Degradation in Optical Fibers Scattering Losses Linear Scattering Losses Non-Linear Scattering Losses Bending loss 1)Define Scattering losses. 2)Write factors affecting Scattering losses in fiber ? 3) classify Scattering losses . 4)what is Rayleigh Scattering Losses ? 5)what is Mie Scattering Losses ? 6)Define Bending loss? 7)define Microbending loss.

SESSION 20 FOC Material Absorption losses Absorption by atomic defects Extrinsic absorption

13:19

SESSION 20 FOC Material Absorption losses Absorption by atomic defects Extrinsic absorption

มุมมอง 1302 ปีที่แล้ว

Chapter 3: Signal Degradation in Optical Fibers Material Absorption losses Absorption by atomic defects Extrinsic absorption 1) what is absorption? 2) The amount of absorption by these impurities depends on their and . 3) absorption by impurity atoms in glass matts. 4) absorption by basic constituent atom of fiber. 5)Define atomic defects . 6) define Extrinsic absorption. 7)what are the types o...

SESSION 19 FOC Attenuation Causes of Attenuation Attenuation units and examples

13:27

SESSION 19 FOC Attenuation Causes of Attenuation Attenuation units and examples

มุมมอง 992 ปีที่แล้ว

Chapter 3 : Signal Degradation in Optical Fibers Attenuation Causes of Attenuation Attenuation units and examples 1)what is degradation in optical fiber? 2)What are the loss or signal attenuation mechanism in a fiber? 3)Why & to what degree do optical signals get distorted as they propagate down a fiber? 4)define attenuation? 5)what are Causes of Attenuation? 6)define Attenuation units 7)Draw g...

SESSION 18 FOC Fiber Drawing Process Fiber optic cable

13:04

SESSION 18 FOC Fiber Drawing Process Fiber optic cable

มุมมอง 1612 ปีที่แล้ว

Fiber Drawing Process Fiber Optic Cable 1)explain fiber drawing process. 2)what is used to prevent micro bending losses 3)what are the classification of fiber optic cables. 4)which colour is used to represent single mode fiber and multimode fiber. 5) explain construction of fiber optic cable? 6)what is the diameter of core and cladding? 7)what material is required to protect fiber?

SESSION 17 FOC Fiber Fabrication Techniques MCVD PCVD

12:20

SESSION 17 FOC Fiber Fabrication Techniques MCVD PCVD

มุมมอง 3692 ปีที่แล้ว

Fiber Fabrication Techniques Modified Chemical Vapor Deposition(MCVD) • Plasma-Activated Chemical Vapor Deposition(PCDV) 1) method adopted to produce low loss graded index fiber. 2)write Advantages of Plasma-Activated Chemical Vapor Deposition(PCDV) . 3)compare OVPO and MCVD. 4)compare PCVD and VAD. 5)How can water bubbles present in glass layer reduced? 6)list various fabrication techniques. 7...

SESSION 16 FOC Fiber Fabrication Techniques ovpo VAD

12:27

SESSION 16 FOC Fiber Fabrication Techniques ovpo VAD

มุมมอง 2752 ปีที่แล้ว

Fiber Fabrication Techniques Outside Vapor-Phase Oxidation(OVPO) Vapor-Phase Axial Deposition(VAD) 1)The method of fabricating fiber with lower loss less than 20db/km made using OVPO Method. 2)whiich steps to be follow in OVPO Process? 3)which materials are used to make fiber using OVPO Process. 4)What is Sintering? 5)In method a simultaneous flame deposition of both core and cladding material ...

SESSION 15 FOC Fiber Material Fiber Fabrication Techniques Double Crucible method

14:58

SESSION 15 FOC Fiber Material Fiber Fabrication Techniques Double Crucible method

มุมมอง 8822 ปีที่แล้ว

Fiber Material Fiber Fabrication Techniques Double Crucible method 1) which material are to used to make fiber? 2)writer difference between glass fiber and plastic fiber? 3)which fiber is more flexible? 4)which material is used to make glass fiber? 5)write mechanical and thermal characteristics of a glass fiber? 6)writer a various techniques to fabricate fiber? 7)what is double crucible method

14:22

SESSION 14 FOC Examples

มุมมอง 292 ปีที่แล้ว

Examples 1)what is NA? 2)Write equation of NA in terms of acceptance angle. 3)write equation NA IN Terms of RI of core and claddding. 4)write equation of NA in terms of refractive index difference. 5)write equation of critical angle. 6)Define Numerical Aperture and derive its expression for the step index fiber. A multimode step index fiber has a refractive index difference of 1% and a core ref...

SESSION 13 FOC Modes in step index fibermultimode Dispersion shifted

13:12

SESSION 13 FOC Modes in step index fibermultimode Dispersion shifted

มุมมอง 242 ปีที่แล้ว

Modes in step index fiber(multimode) Dispersion shifted Single mode Fiber 1)what is step index fiber 2)what is multimode fiber? 3)Relationship between number of Modes and ‘V’ Number? 4)Due to large radius, the launching of optical power in the fiber is easy. 5)Due to large amount of dispersion multimode fibers are not suitable for long distance communication. 6)Connecting two fibers is easy com...

SESSION 12 FOC Modes in step index fiber Dispersion shifted Single mode Fiber

25:38

SESSION 12 FOC Modes in step index fiber Dispersion shifted Single mode Fiber

มุมมอง 522 ปีที่แล้ว

Modes in step index fiber Dispersion shifted Single mode Fiber 1)how many modes can propagate through fiber? 2)define : SIngle mode fiber 3)define : Multimode fiber 4)Derive the equation for single mode fiber. 5)define intramodal dispersion. 6)Define Material Dispersion. 7)How can minimize the dispersion?

SESSION 11 FOC Comparison of single mode and multimode fiber and step index and graded index fiber

12:30

SESSION 11 FOC Comparison of single mode and multimode fiber and step index and graded index fiber

มุมมอง 132 ปีที่แล้ว

Comparison of single mode and multimode fiber and step index and graded index fiber 1) write condition of single mode fiber? 2)write condition of multimode fiber? 3) in mode fiber , No Intermodal Dispersion as only one mode is transmitted. 4)in mode fiber, Multiple modes can propagate. 5)Define: SIngle Mode Fiber 6)Define Multimode Fiber 7)write difference between single mode and multimode fiber