Keysight (Agilent) 81940A REPAIR and Keysight (Agilent) 81940A CALIBRATION

The Keysight (Agilent) 81940A is currently in stock and available for purchase on our  Sales Page
It is also available for immediate rental.
Custom-Cal has a high success rate in the repair of the Keysight (Agilent) 81940A. 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) 81940A 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) 81940A   Description / Specification:   Spec Sheet 
Keysight (Agilent) 81940A 1520 to 1630 nm Compact Tunable Laser Source Module

The Agilent 81940A high power compact tunable laser enables optical device characterization at high power levels and measurement of nonlinear effects. It improves the testing of all types of optical amplifiers and other active components as well as broadband passive optical components. As single slot plug-in modules for Agilent's 8163A/B, 8164A/B and 8166A/B mainframes, they are a flexible and cost effective stimulus for single channel and DWDM test applications. Each module covers a total wavelength range of 110 nm in the C+L-band.

Wavelength range: 1520 nm to 1630 nm.
Wavelength (frequency) resolution: 1 pm, 125 MHz at 1550 nm
Mode-hop free tenability: Full wavelength range.
Maximum sweep speed: 50 nm/s.
Absolute wavelength accuracy: ± 20 pm, typical ± 5 pm.
Relative wavelength accuracy: ± 10 pm, typical ± 5 pm.
Wavelength repeatability: ± 2.5 pm, typical ± 1 pm.
Wavelength stability (typical, over 24 hours): ± 2.5 pm.
Linewidth (typical), coherence control off: 100 kHz.
Effective linewidth (typical), coherence control on: > 50 MHz (1570 nm to 1620 nm).
Maximum output power (continuous power during tuning):
  ≥ +14.5 dBm peak (typical),
  ≥ +13 dBm (1570 nm to 1620 nm),
  ≥ +10 dBm (1520 nm to 1630 nm).
Power linearity: ± 0.1 dB.
Power stability: ± 0.01 dB over 1 hour.
Power flatness versus wavelength: ± 0.2 dB, typical ± 0.1 dB (1570 nm to 1620 nm), ± 0.3 dB, typical ± 0.15 dB (full range).
Power repeatability (typical): ± 0.01 dB.
Side-mode suppression ratio (typical): ≥ 50 dB.

071, PMF, straight contact output connector.
072, PMF, angled contact output connector.


Standard Calibration $350.00 *
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*This is a Web introductory price for one calibration of the Keysight (Agilent) 81940A. 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.

Coherence Length
Average distance over which superimposed waves lose their phase relationships

Linewidth is the width of a spectral line in terms of wavelength, wave number and frequency.

Power Flatness Versus Wavelength
When changing the wavelength at constant power setting and recording the differences between actual and displayed power levels, the power flatness is ± half the span (in dB) between the maximum and the minimum of the measured power levels.

Spectral Width
Spectral Width is the wavelength interval over which the magnitude of all spectral components is equal to or greater than a specified fraction of the magnitude of the component having the maximum value. In optical communications applications, the usual method of specifying spectral width is the full width at half maximum. This is the same convention used in bandwidth, defined as the frequency range where power drops by less than half (at most -3 dB).

Telecom Bands
Optical fiber communications typically operate in a wavelength region corresponding to one of the following Bands. O Band (original): 1260–1360 nm. E Band (extended): 1360–1460 nm. S Band (short wavelengths): 1460–1530 nm. C Band (conventional): 1530–1565 nm. L Band (long wavelengths): 1565–1625 nm. U Band (ultralong wavelengths): 1625–1675 nm

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