# Latest **URL:** https://forum.ofscn.net/latest.md [Latest](https://forum.ofscn.net/latest.md) · [Categories](https://forum.ofscn.net/categories.md) · [Tags](https://forum.ofscn.net/tags.md) --- ## [Welcome to OFSCN Fiber Tech Exchange! 👋](https://forum.ofscn.net/t/welcome-to-ofscn-fiber-tech-exchange/5)
**Author:** [@system](https://forum.ofscn.net/u/system)\ **Replies:** 0\ **Last updated:** [October 20, 2025, 3:04pm UTC](https://forum.ofscn.net/t/welcome-to-ofscn-fiber-tech-exchange/5 "2025-10-20T15:04:12Z")
We are so glad you joined us. OFSCN Fiber Tech Exchange The intelligent community for global fiber optic sensing, specialty fiber, and distributed technology exchange and solutions. 全球光纤传感、特种光纤及分布式技术交流社区，致力于提供专业的技术支持和解… --- ## [光纤能测位移吗？ | Can optical fibers measure displacement?](https://forum.ofscn.net/t/can-optical-fibers-measure-displacement/3133)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:50am UTC](https://forum.ofscn.net/t/can-optical-fibers-measure-displacement/3133 "2026-10-22T08:50:30Z")
房子裂缝了，光纤是怎么测出裂缝开了几毫米的？ --- ## [What is a "side-polished optical fiber"?](https://forum.ofscn.net/t/what-is-a-side-polished-optical-fiber/3132)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:41am UTC](https://forum.ofscn.net/t/what-is-a-side-polished-optical-fiber/3132 "2026-10-22T08:41:25Z")
Why deliberately remove half of the fiber? Is it to allow the light to contact the outside? --- ## [Can optical fibers measure chemical composition?](https://forum.ofscn.net/t/can-optical-fibers-measure-chemical-composition/3129)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:41am UTC](https://forum.ofscn.net/t/can-optical-fibers-measure-chemical-composition/3129 "2026-10-22T08:41:12Z")
If you soak the fiber optic connector in a medicinal solution, can it analyze the concentration? --- ## [Can optical fibers measure electric current?](https://forum.ofscn.net/t/can-optical-fibers-measure-electric-current/3125)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:40am UTC](https://forum.ofscn.net/t/can-optical-fibers-measure-electric-current/3125 "2026-10-22T08:40:42Z")
In high-voltage substations of hundreds of thousands of volts, how can optical fibers measure current without contacting the wires? --- ## [What is a "fiber optic hydrophone"?](https://forum.ofscn.net/t/what-is-a-fiber-optic-hydrophone/3127)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:40am UTC](https://forum.ofscn.net/t/what-is-a-fiber-optic-hydrophone/3127 "2026-10-22T08:40:41Z")
Are they “ears” made of fiber optics? How do they listen for submarines underwater? --- ## [What is a "fiber optic gyroscope" (FOG)?](https://forum.ofscn.net/t/what-is-a-fiber-optic-gyroscope-fog/3124)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:40am UTC](https://forum.ofscn.net/t/what-is-a-fiber-optic-gyroscope-fog/3124 "2026-10-22T08:40:05Z")
Why do missiles and aircraft use coiled fiber optics for navigation? --- ## [Can optical fibers prevent oil theft?](https://forum.ofscn.net/t/can-optical-fibers-prevent-oil-theft/3122)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:39am UTC](https://forum.ofscn.net/t/can-optical-fibers-prevent-oil-theft/3122 "2026-10-22T08:39:49Z")
If fiber optic cables are buried next to oil pipelines, can they trigger an alarm if someone starts digging? --- ## [What is "Distributed Acoustic Sensing" (DAS)?](https://forum.ofscn.net/t/das-what-is-distributed-acoustic-sensing-das/3120)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:39am UTC](https://forum.ofscn.net/t/das-what-is-distributed-acoustic-sensing-das/3120 "2026-10-22T08:39:04Z")
Why can a single optical fiber hear footsteps on the ground tens of kilometers away? --- ## [Can optical fibers detect fire?](https://forum.ofscn.net/t/can-optical-fibers-detect-fire/3118)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:38am UTC](https://forum.ofscn.net/t/can-optical-fibers-detect-fire/3118 "2026-10-22T08:38:46Z")
A fire broke out in the tunnel. How can fiber optics pinpoint the ignition source within seconds? --- ## [What is "embedded" fiber optic sensing?](https://forum.ofscn.net/t/what-is-embedded-fiber-optic-sensing/3116)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:38am UTC](https://forum.ofscn.net/t/what-is-embedded-fiber-optic-sensing/3116 "2026-10-22T08:38:32Z")
Why would fiber optics be cast into concrete dams or bridges? --- ## [What is "marking durability"?](https://forum.ofscn.net/t/what-is-marking-durability/3115)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:15am UTC](https://forum.ofscn.net/t/what-is-marking-durability/3115 "2026-10-22T08:15:09Z")
How many years can the text on the label last without peeling off under oil stains and high temperatures? --- ## [What is "length tolerance / length error"?](https://forum.ofscn.net/t/what-is-length-tolerance-length-error/3114)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:14am UTC](https://forum.ofscn.net/t/what-is-length-tolerance-length-error/3114 "2026-10-22T08:14:20Z")
Does it matter if a 10-meter jumper cable is actually 5 cm longer? --- ## [What is "color-coding management"?](https://forum.ofscn.net/t/what-is-color-coding-management/3112)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:14am UTC](https://forum.ofscn.net/t/what-is-color-coding-management/3112 "2026-10-22T08:14:00Z")
How can 12 sensor signals be quickly distinguished using 12 colors? --- ## [What is "lightweight design"?](https://forum.ofscn.net/t/what-is-lightweight-design/3111)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:13am UTC](https://forum.ofscn.net/t/what-is-lightweight-design/3111 "2026-10-22T08:13:20Z")
When used on drones or aircraft, how can the weight of jumper wires be minimized as much as possible? --- ## [What are "installation space constraints"?](https://forum.ofscn.net/t/what-are-installation-space-constraints/3110)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:13am UTC](https://forum.ofscn.net/t/what-are-installation-space-constraints/3110 "2026-10-22T08:13:14Z")
How can a jumper wire pass through a gap that is only 5 mm wide? --- ## [What is a "drop test"?](https://forum.ofscn.net/t/what-is-a-drop-test/3109)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:12am UTC](https://forum.ofscn.net/t/what-is-a-drop-test/3109 "2026-10-22T08:12:41Z")
If the connector is dropped from a height of 1 meter onto a cement floor, will the ceramic core break? --- ## [What is the effect of "transit vibration"?](https://forum.ofscn.net/t/what-is-the-effect-of-transit-vibration/3108)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:12am UTC](https://forum.ofscn.net/t/what-is-the-effect-of-transit-vibration/3108 "2026-10-22T08:12:39Z")
Will the bumps on the road break the connectors? How is OFSCN® packaged? --- ## [What is "moisture-proof packaging"?](https://forum.ofscn.net/t/what-is-moisture-proof-packaging/3107)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:12am UTC](https://forum.ofscn.net/t/what-is-moisture-proof-packaging/3107 "2026-10-22T08:12:10Z")
Why are desiccants included in packaging? Does moisture damage glass? --- ## [What is the ideal "storage environment" for fiber optic patch cords?](https://forum.ofscn.net/t/what-is-the-ideal-storage-environment-for-fiber-optic-patch-cords/3105)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:11am UTC](https://forum.ofscn.net/t/what-is-the-ideal-storage-environment-for-fiber-optic-patch-cords/3105 "2026-10-22T08:11:52Z")
If jumper cables are left unopened in a warehouse for three years, will their performance degrade? --- ## [What is "ceramic sleeve" fracture?](https://forum.ofscn.net/t/what-is-ceramic-sleeve-fracture/3104)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:11am UTC](https://forum.ofscn.net/t/what-is-ceramic-sleeve-fracture/3104 "2026-10-22T08:11:26Z")
What happens if the ceramic tube inside an adapter breaks? Why would it cause the signal to be intermittent? --- ## [What are the common causes of sudden signal interruption?](https://forum.ofscn.net/t/what-are-the-common-causes-of-sudden-signal-interruption/3103)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:08am UTC](https://forum.ofscn.net/t/what-are-the-common-causes-of-sudden-signal-interruption/3103 "2026-10-22T08:08:07Z")
After troubleshooting equipment failures, where are jumper cables most likely to cause problems? --- ## [Why do fiber optic connector end-faces experience "laser burn-through / optical damage"?](https://forum.ofscn.net/t/why-do-fiber-optic-connector-end-faces-experience-laser-burn-through-optical-damage/3102)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:07am UTC](https://forum.ofscn.net/t/why-do-fiber-optic-connector-end-faces-experience-laser-burn-through-optical-damage/3102 "2026-10-22T08:07:55Z")
In high-power laser transmission, how does end-face contamination cause instantaneous fusion of the connector? --- ## [What is the recommended "tightening torque" for an FC connector?](https://forum.ofscn.net/t/fc-what-is-the-recommended-tightening-torque-for-an-fc-connector/3100)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:07am UTC](https://forum.ofscn.net/t/fc-what-is-the-recommended-tightening-torque-for-an-fc-connector/3100 "2026-10-22T08:07:19Z")
If you overtighten an FC connector, will you break the ceramic ferrule? --- ## [What does the "click" sound signify when inserting a fiber optic connector?](https://forum.ofscn.net/t/what-does-the-click-sound-signify-when-inserting-a-fiber-optic-connector/3099)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:06am UTC](https://forum.ofscn.net/t/what-does-the-click-sound-signify-when-inserting-a-fiber-optic-connector/3099 "2026-10-22T08:06:51Z")
If no sound is heard or significant resistance is felt, what should be done? --- ## [What is "fiber optic adapter" cleaning?](https://forum.ofscn.net/t/what-is-fiber-optic-adapter-cleaning/3098)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:06am UTC](https://forum.ofscn.net/t/what-is-fiber-optic-adapter-cleaning/3098 "2026-10-22T08:06:45Z")
If the jumper is clean but the signal is poor, how should the adapter be cleaned internally? --- ## [What is the "installation tensile force" limit?](https://forum.ofscn.net/t/what-is-the-installation-tensile-force-limit/3096)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:05am UTC](https://forum.ofscn.net/t/what-is-the-installation-tensile-force-limit/3096 "2026-10-22T08:05:35Z")
If you pull too hard on a jumper cable, will you break the fiber optic cable inside the connector? --- ## [How should excess patch cord slack be managed and stored?](https://forum.ofscn.net/t/how-should-excess-patch-cord-slack-be-managed-and-stored/3094)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:05am UTC](https://forum.ofscn.net/t/how-should-excess-patch-cord-slack-be-managed-and-stored/3094 "2026-10-22T08:05:10Z")
Why shouldn't excess patch cords be tightly coiled into small loops? What is the correct way to manage fiber optic cables? --- ## [Why should you never clean a connector end-face with your shirt corner or clothing?](https://forum.ofscn.net/t/why-should-you-never-clean-a-connector-end-face-with-your-shirt-corner-or-clothing/3093)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:04am UTC](https://forum.ofscn.net/t/why-should-you-never-clean-a-connector-end-face-with-your-shirt-corner-or-clothing/3093 "2026-10-22T08:04:30Z")
What secondary damage can clothing fibers and static electricity cause to precision ceramic heads? --- ## [Why should you never touch the connector end-face with your bare hands?](https://forum.ofscn.net/t/why-should-you-never-touch-the-connector-end-face-with-your-bare-hands/3092)
**Author:** [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:04am UTC](https://forum.ofscn.net/t/why-should-you-never-touch-the-connector-end-face-with-your-bare-hands/3092 "2026-10-22T08:04:18Z")
What do oil smudges on a finger look like under a microscope? Do they block light? [Next page](https://forum.ofscn.net/latest.md?page=1)