Abstract
A simple fiber length measurement technique has been proposed and demonstrated that uses the self-seeding laser oscillation of a Fabry-Perot laser. We measured the length of an optical fiber from the modulation frequency changes required to induce single-mode laser oscillations through an optical closed-loop including the fiber and the laser diode. The maximum error of the proposed technique was less than 0.24% for various fiber lengths from 0.1 to 75 km.
| Original language | English |
|---|---|
| Pages (from-to) | 415-416 |
| Number of pages | 2 |
| Journal | Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers |
| Volume | 46 |
| Issue number | 1 |
| DOIs | |
| State | Published - 10 Jan 2007 |
Keywords
- Fabry-perot laser
- Fiber length
- Laser oscillation
- Self-seeding
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