Fiber Mode Analyzer

Keywords: Fiber Mode Analyzer, fiber analyser, fiber index, fiber modal content

May 13, 2020 View: 2554 Data Sheet

Fiber mode analyser is used to identify distinct spatial modes quantify relative mode power obtain mode amplitude & phase profiles qualify fibers components splices.

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STAR-CMC-1550 Characterisation of Fiber Modal Content

The STAR-CMC-1550 Characterisation of Modal Content uses the spatially and spectrally resolved imaging (S²) technique to identify the propagation modes of few-mode fibers. It consists of two different unit: a tunable laser and a receiver unit. The STAR-CMC-1550 allows to obtain the Differential Group Delay (DGD) for each propagation mode and the relative intensity, or Multipath Interference (MPI), compared to the most excited mode. Moreover, STAR-CMC-1550 allows to reconstruct the profiles and phases of the guided modes of the fiber under test.

Features & Benefits:

Measure fibers up to 400 µm in diameter
Measure hollow and solid core few-mode fibers
Reconstruction of propagation mode profiles and phase
Calculate the relative intensity of high order modes compared to the most excited mode
Calculate the DGD of the propagation modes

Technical Specification

Measurement capability

Fibre diameter: < 400 µm
Fiber Length: 5 to 100 m
Measurement time** : < 90 sec 
Fiber Type: Few-mode solid and hollow core fibres

** analysing 2000 images

Optical

Measurement wavelength: 1480 to 1630 nm
Wavelength resolution: 10 pm
Max DGD: 365 ps
DGD resolution: 0.05 ps
Image sensor: InGaAs 10.8x12.3 mm, 512x640 pixels, 20 µm pixel pitch
Exposure range: 0.1ms to 20ms exposure time
A/D conversion: 16 bit

Physical

Weight: 7kg (Tunable laser); 8kg (Receiver unit)
Size: 0.22m x 0.385m x 0.131m (Tunable laser); 0.306m x 0.606m x 0.145m (Receiver unit)
Operating Temp: 15-30 0 C
Humidity: 5%-95%. Relative, non-condensing
Computer requirements: All systems are supplied with a computer running up-to-date Windows operating system
Data interface: 1 X USB 3.0 (USB A to USB B: 1m cable supplied)