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 N7788B 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 N7788B   Description / Specification:    
KEYSIGHT N7788B Optical Component Analyzer

The Keysight N7788B Optical Component Analyzer's proprietary technology is comparable with the well-known Jones-Matrix-Eigen analysis (JME) which is the standard method for measuring polarization mode dispersion (PMD) or differential group delay (DGD) of optical devices. For spectral measurements of polarization dependent loss and dispersion, the N7788B is combined with a Keysight swept-wavelength tunable laser, such as the 81600B or 81960A (not included) and the Polarization Navigator software application for single-scan measurements.

Specification wavelength range:
  1270 nm to 1375 nm (Opt. 300, O-Band),
  1270 nm to 1375 nm and 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.
Differential group delay (DGD) uncertainty: Resolution 2.0 nm ± (30 fs + 3.0% * DGD), Resolution 0.1 nm ± (30 fs + 3.0% * DGD).
DGD measurement range: 3 0 ps to 1000 ps.
PMD repeatability: (typical) ± 3 fs.
PDL uncertainty: C-Band ± (0.05 dB + 4% * PDL), O-Band ± (0.10 dB + 4% * PDL).
Polarization analysis SOP uncertainty (typical): 1.5°.
Optical power measurement Relative uncertainty: C/L-Band; ± -.03 dB (± 0.02 dB typical), O-Band; ± 0.07 dB (± 0.04 dB typical).

021, Straight contact connector (laser input port).
022, Angled contact connector (laser input port).
031, Straight contact connector (DUT port).
032, Angled contact connector (DUT port).
300, 1270 to 1375 nm wavelength.
400, 1270 to 1375 nm and 1460 to 1620 nm wavelength.
500, 1460 to 1620 nm wavelength.


Standard Calibration $885.00 *
*This is a Web introductory price for one calibration of the KEYSIGHT N7788B. 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.

Optical power referenced to 1 millimatt

Multimode Fiber
Multimode Fiber has a large core (almost always 62.5 microns - a micron is one one millionth of a meter - but sometimes 50 microns) and is used with LED sources at wavelengths of 850 and 1300 nm for short distance, lower speed networks like LANs. Both multimode and singlemode fiber have an outside diameter of 125 microns - about 5 thousandths of an inch - just slightly larger than a human hair.

Power Repeatability
Power Repeatability is the random uncertainty in reproducing the power level after changing and re-setting the power level. The power repeatability is ± half the span (in dB) between the highest and lowest actual power. Note: - The long-term power repeatability can be obtained by taken the power repeatability and power stability into account.

Refractive Index
The refractive index or index of refraction of a substance is a measure of the speed of light in that substance. It is expressed as a ratio of the speed of light in vacuum relative to that in the considered medium. The velocity at which light travels in vacuum is a physical constant, and the fastest speed at which energy or information can be transferred. However, light travels slower through any given material, or medium, that is not vacuum.

Total insertion loss
A measure of the loss of light within an optical component

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