KEYSIGHT N7786C CALIBRATION and KEYSIGHT N7786C REPAIR
 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the KEYSIGHT N7786C Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   KEYSIGHT N7786C   Description / Specification:    
KEYSIGHT N7786C 1240 to 1650 nm Polarization Synthesizer

The Keysight Technologies N7786C Polarization Synthesizer contains a high-speed lithium-niobate based polarization controller and a polarization analyzer that monitors the output signal and provides feedback to the controller. As a polarization stabilizer, it provides a stable output state of polarization (SOP) even with fluctuations and drifts of the input SOP. The stabilized output signal is guided in a standard single-mode fiber (SMF). As an SOP switch, the N7786C cycles through a sequence of SOPs at a chosen rate up to more than 40 kHz. The internal settings for the SOP sequence are first determined with the stabilizer function for rapid direct switching. SOP switching occurs within a few microseconds. An electrical trigger input can be used to synchronize the scrambler with external events. As a traditional scrambler, it varies the output SOP in a random way. Full coverage of the Poincaré Sphere can be achieved within a few milliseconds. As a polarization analyzer, the instrument provides truly high-speed capabilities: 1 M samples can be taken with a sample rate of up to 1 M samples per second, at up to 250 kHz analog bandwidth. It can also be used as a fast-switching polarization controller for single-sweep wavelength dependent PDL measurements in combination with the photonic application software suite (PAS).
Specifications.

Operating wavelength range: 1240 nm to 1650 nm.
Specification wavelength ranges:
  1270 - 1375 nm,
  1375 - 1490 nm,
  1490 - 1620 nm.
SOP cycling time (τ90): < 10 μs.
Remaining SOP error at input SOP movement rate of: Typical < 5.5° at 10 rad/s.
SOP settling time: Typical < 50 ms.
Feedback loop time: Nominal < 150 μs.
SOP measurement uncertainty: Typical 1.5°.
DOP measurement uncertainty: ± 2.0% Typical ± 1.5%.
Insertion loss including reference connectors: Typical < 5.0 dB.
Sensitivity of output power to changing the SOP, peak-peak: Typical < 1.0 dB.
Relative output power measure-ment uncertainty due to PDL: Typical ± 0.1 dB.
Relative output power measurement error due to other factors: Typical ± 0.15 dB.
Input power range: -38 dBm to +19 dBm.
Maximum safe input power: +20 dBm.



 

Standard Calibration $1,200.00 *
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*This is a Web introductory price for one calibration of the KEYSIGHT N7786C. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


Related Optical Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Amplified Spontaneous Emission Source (ASE)
ASE, a process where spontaneously emitted radiation (luminescence) is amplified. In lasers and particularly in high-gain erbium-doped amplifiers, amplified spontaneous emission is usually an unwanted effect. It tends to limit the gain achievable in a single stage of a fiber optic amplifier to the order of 40–50 dB.

Dynamic Range
In a transmission system, the ratio of the overload level to the noise level of the system, usually expressed in dB. Ratio of the highest to lowest detectable signal of a system, expressed in dB.

Optical Power
Optical Power is usually measured in "dBm", or decibels referenced to one miliwatt of power. while loss is a relative reading, optical power is an absolute measurement, referenced to standards. You measure absolute power to test transmitters or receivers and relative power to test loss.

Relative Wavelength Accuracy
When randomly changing the wavelength and measuring the differences between the actual and displayed wavelengths, the relative wavelength accuracy is ± half the span between the maximum and the minimum value of all differences.

Wavelength
Wavelength is a term for the color of light, usually expressed in nanometers (nm) or microns (m). In Fiber Optics the wavelenghts mostly used are in the infrared region where the light is invisible to the human eye.

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