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High Resolution Optical Spectrum Analyzer

The Highest Resolution Optical Spectrum Analyzer in the market

Discover the highest resolution Optical Sprectrum Analyzer in the market now available for many different wavelength ranges between 1030 nm to 1630 nm.

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Key figures

Wavelength ranges available

(Any custom range available upon request)

Thanks to the integration of our own homemade external cavity tunable laser source (TLS) as a local oscillator, we offer a large range of Optical Spectrum Analyzers mostly between 1030 nm to 1630 nm. We can reach ultra-high resolution in the T, O, E, S and C+L bands, thanks to our mode hop-free local oscillator technology. The TLS can be integrated inside the equipment or into an external benchtop as an option. The advantage of the latter configuration is that the TLS can be used as a local oscillator and be connected to our other equipment that are also based on interferometric principle (OCSA, OFDR).

Available wavelength ranges:

T Band

1030 – 1075 nm

O Band

1260 – 1360 nm

E Band

1345 – 1450 nm

S Band

1445 – 1520 nm

C+L Band

1525 – 1630 nm

Custom wavelength ranges (upon request):

Below T Band

Below 1030 nm

T Band

1075 – 1260 nm

Above C+L Band

Above 1630 nm

Specifications

The world’s highest optical bandwidth resolution Optical Spectrum Analyzer

0.04 pm Resolution

Dynamic range

  • Wavelength accuracy: < +/- 2 pm
  • Repeatability: < 0.5 pm
  • Sweep time: 20 nm/s

Ultra high optical bandwidth filter resolution

With up to 500 times better resolution than the best standard grating-based Optical Spectrum Analyzer on the market, our new generation of Optical Spectrum Analyzers can display your signal’s real spectrum shape instead of just its envelope.

Best resolution available in the market:
5 MHz / 0.04 pm

Our Optical Spectrum Analyzer will allow you to see clearly each peak of your signal as shown here.

Ultra high Optical Bandwidth Filter resolution

With up to 500 times better resolution than the best standard grating-based Optical Spectrum Analyzer on the market, our new generation of Optical Spectrum Analyzers can display your signal’s real spectrum shape instead of just its envelope.

Optical Spectrum Analyzer best resolution comparison

Use it as a wavelength meter

The 3 internal Wavelength calibrators (absolute and relative) allow the equipment to provide an excellent wavelength accuracy specification (+/- 2 pm). This high wavelength accuracy gives the possibility to use the equipment as a wavelength meter.

Calibrated for high accuracy: ±2 pm 

By combining an absolute calibration method done by a gas cell and a relative calibration method done by Fabry-Perot interferometers, we are able to reach this excellent accuracy.

Optical Spectrum Analyzer wavelength calibrators

Use it as a wavelength meter

The 3 internal Wavelength calibrators (absolute and relative) allow the equipment to provide an excellent wavelength accuracy specification (+/- 2 pm). This high wavelength accuracy gives the possibility to use the equipment as a wavelength meter.

Excellent dynamic range and close-in dynamic range

Our Optical Spectrum Analyzers achieve more than 83 dB of dynamic. They also have the unique advantage of having a high dynamic range close to the peak. When the best standard grating-based OSA can achieve 78 dB at +/- 1 nm, our Optical Spectrum Analyzers can achieve 80 dB at +/- 6 pm from the peak.

Ultra high (close-in) dynamic range:
80dB at ± 6 pm from the peak

The data shown here is demonstrating our high close-in dynamic range at 0.3 pm and 4.5 pm from the peak.

An ultra high dynamic and close-in dynamic range

Our Optical Spectrum Analyzers achieve more than 83 dB of dynamic. They also have the unique advantage of having a high dynamic range close to the peak. When the best standard grating-based OSA can achieve 78 dB at +/- 1 nm, our Optical Spectrum Analyzers can achieve 80 dB at +/- 6 pm from the peak.

Optical Spectrum Analyzer ultra high close-in dynamic range

Perfect resolution filters for OSNR measurements

Several resolution filters between 5 MHz and 250 GHz are available. We use rectangular shape resolution filters which allow a nearly perfect integration of the signal over the selected resolution, whereas a grating-based Optical Spectrum Analyzer filter integrates inside a wide base triangular shape.

Rectangular shape resolution filters between 5 MHz and 250 GHz 

This sharp integration allows our OSA to perform a much more realistic level measurement, which is essential for an accurate OSNR measurement.

Grating based and APEX Technologies Optical Spectrum Analyzers resolution filter shape comparison

Perfect resolution filters for OSNR measurement

Several resolution filters between 5 MHz and 250 GHz are available. We use rectangular shape resolution filters which allow a nearly perfect integration of the signal over the selected resolution, whereas a grating-based Optical Spectrum Analyzer filter integrates inside a wide base triangular shape.
This sharp integration allows our OSA to perform a much more realistic level measurement, which is essential for an accurate OSNR measurement.

Two Optical Spectrum Analyzer channels, one per polarization axis

The input signal is split into two orthogonal polarization axes, analyzed simultaneously by two internal independent channels. Our Optical Spectrum Analyzer has the unique advantage to display the two polarization channels separately and simultaneously. 

Display two polarizations at once

Our Optical Spectrum Analyzer can also recombine the polarization axis and display a polarization independent measurement.

Two Optical Spectrum Analyzers channels, one per polarization axis

The input signal is split into two orthogonal polarization axes, analyzed simultaneously by two internal independent channels. Our Optical Spectrum Analyzer has the unique advantage to display the two polarization channels separately and simultaneously. It can also recombine them and display a polarization independent measurement.

Dual polarization channel Optical Spectrum Analyzer

OPTIONS

Tunable Laser Source

Optionally, the built-in Tunable Laser Source(s) can also be used as independent Tunable Laser(s). A Tunable Laser Source output and a control software can be integrated into the equipment. These Tunable Lasers are combining narrow linewidth, good SMSR and fine wavelength setting resolution.

Additionally, also as an option, we can provide the Tunable Laser Source as an external benchtop unit instead of the built-in version. This option allows you to use it as a local oscillator for other Apex Technologies products such as the Optical (Complex) Spectrum Analyzer, as well as the Optical Frequency Domain Reflectometer.

Tunable Laser Source

Optionally, the built-in Tunable Laser Source(s) can also be used as independent Tunable Laser(s). A Tunable Laser Source output and a control software can be integrated into the equipment. These Tunable Lasers are combining narrow linewidth, good SMSR and fine wavelength setting resolution.

Additionally, also as an option, we can provide the Tunable Laser Source as an external benchtop unit instead of the built-in version. This option allows you to use it as a local oscillator for other Apex Technologies products such as the Optical (Complex) Spectrum Analyzer, as well as the Optical Frequency Domain Reflectometer.

Two Optical Spectrum Analyzers in one equipment

Optionally, two additional PM inputs directly connected to each internal channels are available. With these 2 additional PM inputs, two independent signals can be analyzed simultaneously.
By using this option, the equipment can be used as two Optical Spectrum Analyzers.

Two Optical Spectrum Analyzers in one equipment

Optionally, two additional PM inputs directly connected to each internal channels are available. With these 2 additional PM inputs, two independent signals can be analyzed simultaneously.
By using this option, the equipment can be used as two Optical Spectrum Analyzers.

Use it as an Optical Component Analyzer

The Tracking generator option allows the user to synchronize the Tunable Laser Source output with the Optical Spectrum Analyzer measurement, thus active and passive components transmission/reflection measurements (insertion loss/gain) are possible with a dynamic range of 63 dB and a resolution of 1 MHz (8 fm). This function is especially useful for component analysis such as Fiber Bragg Grating transfer function characterization.

Use it as an Optical Component Analyzer

The Tracking generator option allows the user to synchronize the Tunable Laser Source output with the Optical Spectrum Analyzer measurement, thus active and passive components transmission/reflection measurements (insertion loss/gain) are possible with a dynamic range of 63 dB and a resolution of 1 MHz (8 fm). This function is especially useful for component analysis such as Fiber Bragg Grating transfer function characterization.

Polarimeter

The Polarimeter option allows the state of polarization of the signal to be measured. Three different displaying modes exist: Jones graph, Poincaré sphere and Stockes parameters oscilloscope. Polarization Extinction Ratio (PER) can be measured too.

Polarimeter

The Polarimeter option allows the state of polarization of the signal to be measured. Three different displaying modes exist: Jones graph, Poincaré sphere and Stockes parameters oscilloscope. Polarization Extinction Ratio (PER) can be measured too.

Tools and documentation

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OPTICAL COMPLEX SPECTRUM ANALYZER

High resolution optical Spectral and Temporal intensity and phase measurement

More than an Optical Spectrum Analyzer, this equipment can additionally measure the relative phase of a repetitive signal. Characterize the full complex optical field, unlocking phase, intensity and frequency chirp as a function of time, eye diagrams and constellation.

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