Keysight (Agilent) 8504B REPAIR and Keysight (Agilent) 8504B CALIBRATION

Custom-Cal has a high success rate in the repair of the Keysight (Agilent) 8504B. 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 (Agilent) 8504B 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 (Agilent) 8504B   Description / Specification:    
Keysight (Agilent) 8504B Lightwave Precision Reflectometer

The HP 8504B precision reflectometer can make accurate measurements using sm 9/125 micrometer fiber and components. Measurements range from reflections within lightwave components, differential path length failure mode analysis, differential propogation delay in multiple or birefringent devices and source coherence functions. There are two internal wavelength sources, 1300 and 1550 nm. Peak wavelengths for both sources can occur within +/- 30 nm of center. The spectral width for both sources is 55 nm. Return loss can be measured across a range from 10 to 80 dB on both wavelength sources to an accuracy of +/- 2 dB. For measurements of closely spaced reflections, the spatial resolution at 1300 nm is 17 micrometers. The spacial resolution at 1550 nm is 44 micrometers. The 8504B can also measure two events at varying relative distances. For a measurement span of 1 to 10 mm, measurements are accurate to +/- 2% of span. For a measurement span of 10 to 400 mm, measurements are accurate to +/- 1% of span. The full measurement span is 1 to 400 mm, but can be extended with provided extension cables. The Agilent 8504B has low level spurios response, with levels >65 dB below largest reflection at 1300 and 1550 nm. The sweep speed is 18 mm/sec. The unit also comes with one 1 meter fiber optic cable pair, and FC/PC front panel adapter, FC/PC barrel, and a low-reflection termination. Option 001 adds 6 fiber-optic cable pairs, .5 to 1.75 meters, an FC/PC barrel, and a cable fixture tray


Standard Calibration $775.00 *
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*This is a Web introductory price for one calibration of the Keysight (Agilent) 8504B. 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 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 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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