Fiber Shaker MPX-SR3
A two-channel mechanical fiber shaker that continuously agitates a multimode test jumper so that laser speckle averages out during Encircled Flux and loss measurements.
Technical overview
The MPX-SR3 varies the differential path length of the modes propagating in the test fiber, averaging the speckle pattern produced by a coherent (laser or VCSEL) source. One channel carries OM1 (62.5/125 um graded index) fiber and the other OM2 (50/125 um), with OM3 and OM4 also available; each channel has FC/PC input and output ports as standard. Shaking runs at a fixed 10 Hz with under 1 dB of insertion loss. Its use is called for by standards such as IEEE 802.3aq and FOTP-203.
Features
- Smaller size (same as MPX)
- Dual fiber inputs: OM1/OM2 or OM3/OM4
- Low noise
- Light weight
- Shake frequency of 10Hz
Specifications
| Parameter | Value |
|---|---|
| Fiber type | OM1, OM2, OM3 and OM4 |
| Input & output connectors | FC/PC |
| Frequency of shaking | 10 Hz |
| Insertion loss | <1 dB |
| Size | 260 (W) x 270 (D) x 90 (H) mm |
| Weight | 2.0 kg |
| Power | External switched mode power supply. Requirements: 90 - 240 V, <500 mA, <50 W |
| Operating temperature | +5 to +40 degC |
| Storage temperature | -10 to +50 degC |
Applications
- Speckle reduction when measuring laser-based transmission light sources for multimode systems
- Encircled Flux measurement repeatability
- Compliance with IEEE 802.3aq and FOTP-203 mechanical fiber shaker requirements
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