Keysight (Agilent) 81609A CALIBRATION and Keysight (Agilent) 81609A 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 (Agilent) 81609A 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) 81609A   Description / Specification:    
Keysight (Agilent) 81609A 1240/1380, 1490/1640, 1450/1650nm Tunable Laser Source

The Keysight 81609A tunable laser module can step quickly to discrete wavelengths with a resolution of 0.1 pm and a typical wavelength repeatability of ±3 pm, making it ideal for cost-effective testing of broadband optical devices. With wavelength setting times like 300 ms, 3-4 times faster than earlier models, stepped sweeps take much less time. Like the other modules in the family, it delivers more than +12 dBm peak output power with low spontaneous emission levels. At ±0.01 dB power stability over an hour, it can also serve as a static local oscillator with a wide tuning range for receiver testing or transmission experiments.

Specifications.
Wavelength range:
 1240 nm to 1380 nm (Option 113),
 1450 nm to 1650 nm (Option 216),
 1490 nm to 1640 nm (Option 116).
Wavelength resolution:
 0.1 pm, 17.5 MHz at 1310 nm (Option 113),
 0.1 pm, 12.5 MHz at 1550 nm (Option 116, 216).
Continuous sweep range: Full wavelength range.
Tuning time (typical):
  300 ms (1 nm step, max. output power),
  1.5 s (100 nm step, max. output power).
Wavelength stability (typical): ≤ ±5 pm, 24 hours.
Linewidth (typical), coherence control off: <10 kHz.
Effective linewidth (typical), coherence control on:
 > 50 MHz (1290 nm - 1340 nm) (Option 113),
 > 50 MHz (1515 nm - 1620 nm) (Option 116, 216).
Maximum output power (continuous power during sweep):
 > +13 dBm peak (typical) (Option 113),
 > +12 dBm peak (typical) (Option 116, 216).
Side-mode suppression ratio (typical):
 ≥ 70 dB (1290 nm - 1340 nm) (Option 113),
 ≥ 70 dB (1515 nm - 1620 nm) (Option 116, 216).
Relative intensity noise (RIN) (0.1 - 6 GHz):
 < -150 dB/Hz (typical, 1290 nm - 1340 nm) (Option 113),
 < -150 dB/Hz (typical, 1515 nm - 1620 nm) (Option 116, 216).
Signal to source spontaneous emission ratio:
 ≥ 75 dB/nm,
 ≥ 85 dB/0.1 nm.
Signal to total source spontaneous emission ratio: ≥ 70 dB.
Absolute wavelength accuracy:
 ±20 pm; typ. ±5 pm (Stepped mode),
 ±10 pm (Continuous sweep mode, both directions (typical)).
Relative wavelength accuracy: ±30 pm; typ. ±10 pm.
Wavelength repeatability: ±15 pm; typ. ±5 pm.
Power repeatability (typical): ±0.01 dB.
Power stability: ±0.01 dB (1 hour), typ. ±0.03 dB (24 hours).
Power linearity: ±0.1 dB.
Power flatness versus wavelength: ±0.25 dB.



 



Related Optical Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Chirp
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.

Isolation
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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