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.

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.

Bit Error Ratio (BER)
Bit Error Ratio (BER) is the ratio of errors caused by the number of bits in a data stream that have been altered due to noise, interference, distoriton or bit synchronization errors.

Variation of insertion loss on the passband of an optical device.

Polarization Dependent Loss (PDL)
Polarization Dependent Loss is the difference between the maximum and minimum values of loss due to the variation of the polarization states of light propagating through a device. PDL is expressed in decibels. Calculated by; PDL = 10 log10 (Ep/Es), where EP and ES are the measured diffraction efficiencies for P- and S-plane polarized incident light, respectively.

Return Loss (RL)
Return Loss (RL) is the ratio of the incident power to the reflected power expressed in dB. RL = 10log (Pin/Pback)

Wavelength Resolution
Wavelength Resolution is the smallest possible displayed wavelength increment/decrement.

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