How Fiber Optic Cables are Made - Thinner Than Hair! — Transcript

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1. 0:03the production of fiber optic cables
2. 0:05would not have been possible without the
3. 0:06ingenious process of turning simple
4. 0:08silica sand into the highly Pure Glass
5. 0:11that forms the core of modern
6. 0:13Communications this starts with the
7. 0:15careful processing of silica sand heated
8. 0:17at high temperatures to remove
9. 0:18impurities achieving the necessary
10. 0:20Purity for optical Clarity and
11. 0:22performance once the glass is
12. 0:24sufficiently pure The Next Step involves
13. 0:26creating a preform a thick glass
14. 0:28cylinder that serves as the blank from
15. 0:31which Optical fibers are drawn this
16. 0:33process includes depositing layers of
17. 0:35silica soot to construct the preform
18. 0:38typically utilizing techniques such as
19. 0:40vapor deposition these layers are
20. 0:42accurately controlled to form the core
21. 0:44and cladding of the fiber essential for
22. 0:47Effective light
23. 0:48guidance this preform is Central to the
24. 0:50fiber optic cable carefully crafted to
25. 0:53ensure that the fibers drawn from it
26. 0:55will provide optimal light transmission
27. 0:58capabilities the integrity of the
28. 1:00perform directly influences the
29. 1:02performance and efficiency of the Fiber
30. 1:04Optic Cables making the stage of
31. 1:06production vital to the success of the
32. 1:08entire manufacturing process the fiber
33. 1:11drawing process begins when the preform
34. 1:13is heated to a specific temperature that
35. 1:16softens the glass making it pliable
36. 1:18enough to be drawn into thin
37. 1:20strands this heating takes place in a
38. 1:22carefully controlled environment to
39. 1:24ensure that the glass reaches the
40. 1:25correct consistency for drawing as the
41. 1:28glass softens it is strued through a
42. 1:30series of small dyes or Towers Which
43. 1:32pull the molten glass down into fibers
44. 1:35with extremely fine
45. 1:36diameters this process known as drawing
46. 1:39stretches the glass into continuous
47. 1:41strands that can be several kilom long
48. 1:43the speed at which the glass is drawn
49. 1:45and the size of the dyes determine the
50. 1:47diameter and thickness of the fiber
51. 1:49which are critical factors that affect
52. 1:51the fiber's optical properties and
53. 1:53overall performance throughout this
54. 1:55process sophisticated monitoring
55. 1:57equipment is used to constantly measure
56. 1:59and adjust the diameter and thickness of
57. 2:01the fiber to ensure
58. 2:03uniformity this precise control is
59. 2:05essential for maintaining the quality
60. 2:07and consistency of the optical fibers
61. 2:09which must meet strict industry
62. 2:11standards to ensure optimal
63. 2:13functionality in their final
64. 2:15applications after the fiber is drawn it
65. 2:17immediately undergos a coating process
66. 2:19to enhance its strength and
67. 2:21flexibility in this stage the thin
68. 2:23strands of fiber are coated with a
69. 2:25protective polymer layer this coating is
70. 2:27applied while the fiber is still moving
71. 2:29through the production line ensuring
72. 2:31that the delicate glass fiber is
73. 2:33protected as soon as it is formed the
74. 2:35polymer used for coating is typically a
75. 2:37type of UV curable resin which is chosen
76. 2:40for its ability to form a tough durable
77. 2:42protective layer around the fiber as the
78. 2:45coded fiber passes through a series of
79. 2:47ultraviolet light sources the UV light
80. 2:50rapidly cures or hardens the resin
81. 2:52creating a solid yet flexible outer
82. 2:54layer that adheres tightly to the glass
83. 2:58this UV curing process is C critical as
84. 3:00it not only solidifies the coating
85. 3:02quickly to prevent any damage to the
86. 3:04freshly drawn fiber but also enhances
87. 3:06the overall durability of the fiber this
88. 3:09cating effectively Shields the fiber
89. 3:11from physical stresses and environmental
90. 3:13factors ensuring that the optical fiber
91. 3:16can withstand handling during
92. 3:18installation and long-term operational
93. 3:20stresses without degradation testing for
94. 3:23quality and strength is crucial in fiber
95. 3:25optic cable production to ensure each
96. 3:28fiber meets the necessary stand
97. 3:30standards attenuation testing is
98. 3:32conducted to measure signal loss as
99. 3:34light travels through the fiber
100. 3:36indicating its efficiency in data
101. 3:38transmission this test is essential for
102. 3:40evaluating the fiber's capacity to
103. 3:42transmit data effectively over long
104. 3:45distances strength testing assesses the
105. 3:47fiber's durability under physical stress
106. 3:50it includes tensile tests to measure
107. 3:52resistance to pulling forces and Crush
108. 3:55tests to evaluate how well the fiber
109. 3:57withstands compression these tests
110. 3:59ensure the fiber can endure the demands
111. 4:01of installation and long-term usage in
112. 4:03varying environments confirming
113. 4:05compliance with industry standards and
114. 4:08specifications once individual fibers
115. 4:10have passed quality and strength tests
116. 4:12they are combined and encapsulated into
117. 4:14a protective jacket to form a cable this
118. 4:17process known as cabling involves
119. 4:19Gathering multiple fibers and precisely
120. 4:21aligning them within a central core the
121. 4:24core is then surrounded by layers of
122. 4:26protective materials including tough
123. 4:28Plastics or gel fil tubes which Shield
124. 4:31the fibers from moisture environmental
125. 4:33hazards and mechanical stresses
126. 4:36different types of cable designs are
127. 4:37tailored to specific uses and
128. 4:40environments for underwater cables
129. 4:42additional layers of armor and
130. 4:44waterproof materials are added to
131. 4:46withstand the pressures and corrosive
132. 4:47elements of marine environments aerial
133. 4:50cables are designed with strong
134. 4:51lightweight materials that can endure
135. 4:53the rigors of being suspended often with
136. 4:56elements to protect against UV rays and
137. 4:57weather buried cables on the other hand
138. 5:00are encased in tough impact resistant
139. 5:02materials that protect against moisture
140. 5:05soil acidity and physical damage from
141. 5:07underground activities these design
142. 5:10variations ensure that Fiber Optic
143. 5:11Cables can operate effectively in
144. 5:13diverse settings providing reliable
145. 5:16high-speed data transmission across
146. 5:18extensive Networks