User Settings. Skip carousel. Carousel Previous. Carousel Next. What is Scribd? Explore Ebooks. Bestsellers Editors' Picks All Ebooks. Explore Audiobooks. Bestsellers Editors' Picks All audiobooks. Explore Magazines. Editors' Picks All magazines. Explore Podcasts All podcasts. Difficulty Beginner Intermediate Advanced. Explore Documents. Step Index and Graded Index Fiber.
Uploaded by Pankaj Garg. Document Information click to expand document information Description: fiber. Did you find this document useful? Is this content inappropriate? Report this Document. Description: fiber. Flag for inappropriate content. Download now. Related titles. Carousel Previous Carousel Next. Lecture 1 - Transmission Line Theory version 3.
Related Products. Sign In. Email Address: Required. Password: Required. Password Reset. Enter your email address below to reset your account password.
Please Note: Your reset password applies to newport. Email Verification Required. Cart Merge. Remove Product. Remove this product from your comparison list? Check Order Status. Provide an order number and postal code to check the status of an order or download an invoice for an order that has shipped. Login to view your complete order history. Order Number: Required. Sign In Required. To access this and other valuable technical resources, please sign in or register for a new online account.
Add to Cart. Model: step-index-multimode-fibers. Shop at Newport. Ultra-High Velocity Learn More. VAT ID has invalid format.
It will not be saved with the order when submitted. Request Quote Continue Shopping. F-MBB Loading Cart Loading Advantages of Graded Index index profile for graded index fibres is Fibre 1. This graded index fibre can almost parabolic. The parabolic profile transmit a large amount of results in continuous refocusing of the information.
The distortion is rays at the core, and reduced mode of relatively small compared to the step transport dispersion. Multi-mode index fibre. Disadvantages of Graded- optical fibre can be manufactured with Index fibre 1. This graded index fibre graded index or step index. Figure-1, has low light coupling efficiency. Graded index fibre is a little profiles. Allows the propagation of expensive than step index fibre. Graded-Index Fibre Applications Generally, graded-index multimode fibre is used in relatively less bandwidth and LAN local area network network applications running at 1 Gbps if not less.
SMF or Step- index single-mode fibre is used in high Figure 1. It is easy to Figure 2. Graded Index Fibre [3] understand why the multipath and intermodal dispersion decreases in this In graded index fibre, the core fibre.
In the above diagram, we can refractive index is unstable but observe that, three rays in the fibre are decreases slowly from its highest transmitted in different paths.
For value n1 in the center of the core to more angular rays, the path is longer. The main purpose of the graded difference in refractive index. Alternatively, the angular Graded Index Fibre Formula. When the core numbers has a large diameter, it allows a lot of light to circulate throughout the fibre. When a light signal travels through a high refractive index region compared fibre, it changes its behavior over time to those following a highly parabolic while in it.
Because we have already path. As a result, the time required to discussed that the refractive index on circulate will be reduced on the other its axis is relatively higher compared side of the fibre. There-fore all signals to other parts of it. So once the light will pass through different paths.
This signal is allowed it will circulate in the eliminates the possibility of spreading fibre, after that it transmits from low in the core.
0コメント