View source for Talk:Optical fiber

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== WDM ==

What about http://en.wikipedia.org/wiki/Wavelength_division_multiplexing <!-- Template:Unsigned IP --><small class="autosigned">—&nbsp;Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[Special:Contributions/83.70.35.39|83.70.35.39]] ([[User talk:83.70.35.39#top|talk]]) 19:31, 19 April 2007 (UTC)</small>

== Please add info about color coding of cables/connectors ==

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. <!-- Template:Unsigned IP --><small class="autosigned">—&nbsp;Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[Special:Contributions/87.228.42.32|87.228.42.32]] ([[User talk:87.228.42.32#top|talk]]) 06:21, 29 May 2007 (UTC)</small>

== Equipment costs to be added? ==

I think equipment costs for fusion splicing should be included in the article considering the pieces of equipment involved can exceed £50,000. <!-- Template:Unsigned IP --><small class="autosigned">—&nbsp;Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[Special:Contributions/144.98.76.45|144.98.76.45]] ([[User talk:144.98.76.45#top|talk]]) 14:47, 6 August 2007 (UTC)</small>

== Contribution ==

The following sections were contributed by {{user|59.161.83.214}}. 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]] <!-- Template:Unsigned --><small class="autosigned">—&nbsp;Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[User:Kvng|Kvng]] ([[User talk:Kvng#top|talk]] • [[Special:Contributions/Kvng|contribs]]) 15:36, 7 November 2010 (UTC)</small>

== Loss calculation ==

{{u|Khrapkorr}} [https://en.wikipedia.org/w/index.php?title=Optical_fiber&diff=1216058443&oldid=1215074638 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. ~[[User:Kvng|Kvng]] ([[User talk: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%. [[User:Khrapkorr|Khrapkorr]] ([[User talk:Khrapkorr|talk]]) 23:22, 1 April 2024 (UTC)
:1.48dB ≈ 71% of power.
:3 dB ≈ 71% of E-field amplitude. [[User:Constant314|<b style="color: #4400bb;">''Constant314''</b>]] ([[User talk:Constant314|talk]]) 01:29, 2 April 2024 (UTC)
::-1.48 dB = -.148 B; 10^-.148 = 71.1%. --[[User:Zac67|Zac67]] ([[User talk: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. ~[[User:Kvng|Kvng]] ([[User talk:Kvng|talk]]) 13:13, 2 April 2024 (UTC)