Talk:Optical fiber
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 | The content of Weakly guiding fiber was merged into Optical fiber on August 2018. The former page's history now serves to provide attribution for that content in the latter page, and it must not be deleted as long as the latter page exists. For the discussion at that location, see its talk page. |
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WDM
[edit]What about http://en.wikipedia.org/wiki/Wavelength_division_multiplexing — Preceding unsigned comment added by 83.70.35.39 (talk) 19:31, 19 April 2007 (UTC)
Please add info about color coding of cables/connectors
[edit]Quote (http://www.thefoa.org/tech/connID.htm): Color Codes: Since the earliest days of fiber optics, orange, black or gray was multimode and yellow singlemode. However, the advent of metallic connectors like the FC and ST made color coding difficult, so colored boots were often used. The TIA 568 color code for connector bodies and/or boots is Beige for multimode fiber, Blue for singlemode fiber, and Green for APC (angled) connectors.
I was looking for this info, but didn't find it on wikipedia. — Preceding unsigned comment added by 87.228.42.32 (talk) 06:21, 29 May 2007 (UTC)
Equipment costs to be added?
[edit]I think equipment costs for fusion splicing should be included in the article considering the pieces of equipment involved can exceed £50,000. — Preceding unsigned comment added by 144.98.76.45 (talk) 14:47, 6 August 2007 (UTC)
Contribution
[edit]The following sections were contributed by 59.161.83.214 (talk · contribs). I don't feel they're ready for inclusion in the article mainly due to WP:OR concerns but maybe someone can improve the material - Talk:Optical fiber/59.161.83.214 — Preceding unsigned comment added by Kvng (talk • contribs) 15:36, 7 November 2010 (UTC)
Loss calculation
[edit]Khrapkorr updated an example. The new fiber has a lower loss specification but the example was changed to indicate a lower transmission percentage. Something is inconsistent. ~Kvng (talk) 14:08, 31 March 2024 (UTC)
- The old example had 8 km of fiber, which did not make much sense to me. I used 10 km, which has -1.48 dB total attenuation at 1550 nm. Now use online dB-% converter and obtain 71.1%. Khrapkorr (talk) 23:22, 1 April 2024 (UTC)
- 1.48dB ≈ 71% of power.
- 3 dB ≈ 71% of E-field amplitude. Constant314 (talk) 01:29, 2 April 2024 (UTC)
- -1.48 dB = -.148 B; 10^-.148 = 71.1%. --Zac67 (talk) 06:23, 2 April 2024 (UTC)
- Thanks, my sanity check overlooked the fact that the new example uses a different length of fiber. ~Kvng (talk) 13:13, 2 April 2024 (UTC)
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