OPTICAL FIBER | uses of optical fiber | css general science and ability | by ibrar ahmad
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Introduction to Optical Fiber
š Optical fiber is a medium made of glass or plastic used to transfer information in the form of light pulses from one point to another.
š” The process involves changing electrical signals into light signals for transmission and back into electrical signals at the receiver, ensuring a secure and safe method of data transfer.
š Information transmission relies on the concept of the critical angle, where light reflects internally if the angle of incidence is less than this threshold (mentioned as in the video context).
Structure of Optical Fiber
š¦ The innermost layer is the Core, made of glass, through which light travels at an angle less than .
š The next layer is the Cladding, also glass or plastic, whose primary purpose is to prevent the loss or spreading of light (Total Internal Reflection).
š”ļø The third layer is the Coating (or Buffer), designed to protect the fiber from physical damage.
šØ The outermost protective layer, the Jacket, often uses colors for recognition (e.g., yellow for single-mode, orange for multi-mode).
Types of Optical Fiber
āļø There are two main types: Single-Mode and Multi-Mode.
š°ļø Single-Mode fiber guides light in a single direction and is utilized for long-distance communication.
š Multi-Mode fiber allows light to travel in multiple paths/directions and is constructed for short distances.
Advantages Over Copper Wire
ā” Optical fiber significantly reduces power loss compared to copper wires.
š It offers higher security and safety because it is less susceptible to external interference.
š² Despite high initial costs mentioned in the disadvantages, the overall benefits are cited as making it cost-effective over copper in certain aspects, alongside being highly flexible.
Disadvantages of Optical Fiber
šø A primary drawback is the extremely high cost associated with installation or maintenance.
š ļø Protection and repair of optical fibers are more difficult compared to copper cables if they become damaged or broken.
Key Points & Insights
ā”ļø The fundamental mechanism relies on light pulses reflecting internally because the angle of incidence remains below the critical angle (approximately ).
ā”ļø Optical fiber is extensively used in telecommunication for connecting systems and in the medical field for internal examination without invasive surgery.
ā”ļø Key benefits include reduced power loss, high security, and greater flexibility when compared to traditional copper wiring.
šø Video summarized with SummaryTube.com on Oct 23, 2025, 07:08 UTC
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DIFF B/W STAR AND PLANET | css general science and ability | BY:: IBRAR AHMAD
DIFF B/W STAR AND PLANET ,css general science and ability , BY IBRAR AHMAD
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OPTICAL FIBER | uses of optical fiber | css general science and ability | by ibrar ahmad
OPTICAL FIBER , uses of optical fiber |,css general science and ability ,by ibrar ahmad
Full video URL: youtube.com/watch?v=Hmw7Mvklga4
Duration: 9:19
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SCHOLAR ACADEMYCSSOPTICAL FIBERuses of optical fiber |css general science and abilityby ibrar ahmadoptical fiber communicationhow does an optical fiber workfibercss general science and ability paper solvedgeneral science and ability for css mcqscss general science and ability mcqscss general science and ability lecturesgeneral science and ability for css world timesgeneral science and ability lectures for css 2023css interviewcss full course
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AI Summary of "OPTICAL FIBER | uses of optical fiber | css general science and ability | by ibrar ahmad"
Get instant insights and key takeaways from this YouTube video by Scholar Academy .
Introduction to Optical Fiber
š Optical fiber is a medium made of glass or plastic used to transfer information in the form of light pulses from one point to another.
š” The process involves changing electrical signals into light signals for transmission and back into electrical signals at the receiver, ensuring a secure and safe method of data transfer.
š Information transmission relies on the concept of the critical angle, where light reflects internally if the angle of incidence is less than this threshold (mentioned as in the video context).
Structure of Optical Fiber
š¦ The innermost layer is the Core, made of glass, through which light travels at an angle less than .
š The next layer is the Cladding, also glass or plastic, whose primary purpose is to prevent the loss or spreading of light (Total Internal Reflection).
š”ļø The third layer is the Coating (or Buffer), designed to protect the fiber from physical damage.
šØ The outermost protective layer, the Jacket, often uses colors for recognition (e.g., yellow for single-mode, orange for multi-mode).
Types of Optical Fiber
āļø There are two main types: Single-Mode and Multi-Mode.
š°ļø Single-Mode fiber guides light in a single direction and is utilized for long-distance communication.
š Multi-Mode fiber allows light to travel in multiple paths/directions and is constructed for short distances.
Advantages Over Copper Wire
ā” Optical fiber significantly reduces power loss compared to copper wires.
š It offers higher security and safety because it is less susceptible to external interference.
š² Despite high initial costs mentioned in the disadvantages, the overall benefits are cited as making it cost-effective over copper in certain aspects, alongside being highly flexible.
Disadvantages of Optical Fiber
šø A primary drawback is the extremely high cost associated with installation or maintenance.
š ļø Protection and repair of optical fibers are more difficult compared to copper cables if they become damaged or broken.
Key Points & Insights
ā”ļø The fundamental mechanism relies on light pulses reflecting internally because the angle of incidence remains below the critical angle (approximately ).
ā”ļø Optical fiber is extensively used in telecommunication for connecting systems and in the medical field for internal examination without invasive surgery.
ā”ļø Key benefits include reduced power loss, high security, and greater flexibility when compared to traditional copper wiring.
šø Video summarized with SummaryTube.com on Oct 23, 2025, 07:08 UTC
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