Is working with fiber optics difficult?

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Discussion Overview

The discussion revolves around the challenges and considerations of working with fiber optic wires, particularly in the context of constructing temperature sensors. Participants share their experiences and inquire about the necessary tools and equipment for handling fiber optics without splicing.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant expresses uncertainty about the difficulty of working with fiber optic wires and asks about the special equipment needed for cutting and terminating fibers for temperature sensors.
  • Another participant shares their experience with inexpensive fiber optics used in decorative applications, emphasizing the importance of using optically-clear adhesive and ensuring solid connections to avoid issues with movement or vibration.
  • A different participant suggests using large plastic light-pipes as a simpler alternative, noting that these can be cut easily and polished without specialized tools.
  • There is mention of the availability of pre-terminated communication fibers, which could simplify the process for those not wanting to cleave or polish fibers themselves.
  • One participant highlights the challenge of obtaining bare fiber in short lengths, suggesting creative solutions like repurposing components from inexpensive fiber optic lamps.

Areas of Agreement / Disagreement

Participants present a range of experiences and suggestions, indicating that there is no consensus on the difficulty of working with fiber optics or the best approach to take. Multiple competing views and techniques are discussed.

Contextual Notes

Participants mention various tools and techniques without providing a comprehensive overview of all necessary equipment, leaving some assumptions about the required skills and resources unaddressed.

Who May Find This Useful

This discussion may be useful for individuals considering projects involving fiber optics, particularly in non-communication applications like temperature sensing, as well as those seeking practical advice on tools and techniques for handling fiber optics.

Topher925
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This isn't really an "engineering" question but I really didn't know where else to ask. I just want to know if any of you out there have experience working with fiber optic wires and how difficult they are to work with. Is there any special equipment involved if you are not going to be splicing two cables together? What special tools are required for properly cleaving/cutting the ends? I ask because I might be taking on a project soon where I will be working with FO wires for the construction of temperature sensors. This isn't anything that would involve data transfer or anything, just sending and receiving light from a LED/photodiode back and forth. I just don't want to start this project if a considerable amount of equipment is required to cut and terminate FO wires for use as temperature sensors. From what I have read, this stuff can get rather complicated and expensive.
 
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I've worked with the cheap stuff such as is used in lamps, just to add lights to Hallowe'en makeup that didn't have room for bulbs or LED's. The only thing that I've noticed is that you have to use an optically-clear adhesive if there's any chance of it getting on the ends of the fibres. Also make sure that you have a good solid connection between the cable and the termini if there's any movement of the parts or vibration in the system.
 
The simplest as danger said is just to use large (1-2mm) plastic light-pipe, you can cut this with a scalpel and polish the ends on your jeans.

If you can use typical comms fibres (eg for ethernet) then just buy cables terminated with the correct sort of plugs and it is plug and play. Or you can fairly easily cleave and polish fibre ends with small portable rigs meant for fixing telecoms stuff. see http://www.lanshack.com/fiber-optic-tutorial-termination.aspx

One difficulty is buying bare fibre in less than multiple km lengths - practice your 'begging samples from manufacturers' skills (always usefol for an experimentalist!)
 
mgb_phys said:
One difficulty is buying bare fibre in less than multiple km lengths - practice your 'begging samples from manufacturers' skills (always usefol for an experimentalist!)
If the length needed is less than a foot or so, then my technique is to buy a cheap f/o lamp (about $3) and take it apart. :biggrin:
 

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