KEYSIGHT N7786B CALIBRATION and KEYSIGHT N7786B 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 N7786B 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 N7786B   Description / Specification:    
KEYSIGHT N7786B Polarization Synthesizer

The Keysight N7786B Polarization Synthesizer contains a high-speed Lithium-Niobate based polarization controller and a polarization analyzer plus a microcontroller-based driving circuitry. 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 N7786B cycles through a sequence of SOPs with a speed of more than 40 KHz, which corresponds to a cycle time of less than 25 microseconds. The sequence of SOPs can easily be defined by the user using Stokes coefficients.
Specifications.

Wavelength range: 1270 nm to 1375 nm, 1460 nm to 1620 nm (Opt 400, O/C/L-Band), 1460 nm to 1620 nm (Opt 500, C/L-Band).
Operating wavelength range: 1260 nm to 1640 nm.
SOP switching time (non deterministic): < 10 µs.
SOP cycling time: < 25 µs.
Remaining SOP error after deterministic SOP setting (typical): < 3° at input SOP movement rate of 1.2 rad/s, < 6.5° at input SOP movement rate of 40 rad/s.
SOP uncertainty (typical): 1.5°.
DOP uncertainty: ± 2.0%.
DOP uncertainty after user calibration (typical): ± 0.5%.
Relative power uncertainty C/L-Band: ± 140 mdB (± 120 mdB typ.).
Relative power uncertainty O-Band: ± 160 mdB (± 140 mdB typ.).
Input power range -38 dBm to +19 dBm.
Insertion loss: < 4.0 dB (< 3.5 dB, typ).
PDL (typical): < 0.2 dB.
Maximum safe input power: 20 dBm.



 

Standard Calibration $1,040.00 *
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*This is a Web introductory price for one calibration of the KEYSIGHT N7786B. 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.

Bandwidth
Bandwidth is the difference between the upper and lower frequencies in a contiguous set of frequencies within which a fiber optic component, link or network will operate.

Extinction Ratio (ER)
Extinction Ratio is the ratio of two optical power levels, of a digital signal generated by an optical source, (example a laser diode), where P1 is the optical power level generated when the light source is "on," and P0 is the power level generated when the light source is "off." The extinction ratio may be expressed as a fraction, in dB, or as a percentage.

Optical Signal-to-noise Ratio (OSNR)
Optical Signal-to-noise ratio is the ratio between the signal power and the noise power in a given bandwidth. Most commonly a reference bandwidth of 0.1 nm is used. This bandwidth is independent from the modulation format, the frequency and the receiver. For instance a OSNR of 20dB/0.1nm could be given, even the signal of 40 GBit DPSK would not fit in this bandwidth. OSNR is measured with a Optical Spectrum Analyzer. It is generally measured at the wavelength of interest.

Repeatability
Repeatability is the variation in a number of repeated measured quantities when measurement conditions are changed and restored. The value corresponds to half the spread between the minimum and maximum value measured.

Wavelength Repeatability
Wavelength Repeatability is the random uncertainty in reproducing a wavelength after detuning and re-setting the wavelength. The wavelength repeatability is ± half the span between the maximum and the minimum value of all actual values of these wavelengths. Example test condition: uninterrupted TLS output power, constant power level, temperature within operating temperature range, coherence control off, short time span. Note: NOTE The long-term wavelength repeatability can be obtained by taken the wavelength repeatability and wavelength stability into account.


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