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.

A change in the optical frequency caused by direct modulation of the laser. A chirp is a signal in which the frequency increases ('up-chirp') or decreases ('down-chirp') with time. In some sources, the term chirp is used interchangeably with sweep signal.

The extent to which optical power from one signal path is prevented from reaching another signal path.

Polarization Extinction Ratio
Polarization Extinction Ratio is the ratio of optical power in the slow axis of the polarization maintaining fiber to optical power in the fast axis within a specified wavelength range.

Sidemode Suppression Ratio
Sidemode Suppression Ratio is the ratio of average signal power to the optical power of the highest sidemode within a distance from 0.1 to 6 GHz to the signal’s optical frequency, expressed in dB.

Wavelength Stability
Wavelength Stability is the change of wavelength during given time span, expressed as ± half the span between the maximum and the minimum of all actual wavelengths.

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