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.

Amplified Spontaneous Emission Source (ASE)
ASE, a process where spontaneously emitted radiation (luminescence) is amplified. In lasers and particularly in high-gain erbium-doped amplifiers, amplified spontaneous emission is usually an unwanted effect. It tends to limit the gain achievable in a single stage of a fiber optic amplifier to the order of 40–50 dB.

Dynamic Range
In a transmission system, the ratio of the overload level to the noise level of the system, usually expressed in dB. Ratio of the highest to lowest detectable signal of a system, expressed in dB.

Optical Power
Optical Power is usually measured in "dBm", or decibels referenced to one miliwatt of power. while loss is a relative reading, optical power is an absolute measurement, referenced to standards. You measure absolute power to test transmitters or receivers and relative power to test loss.

Relative Wavelength Accuracy
When randomly changing the wavelength and measuring the differences between the actual and displayed wavelengths, the relative wavelength accuracy is ± half the span between the maximum and the minimum value of all differences.

Wavelength
Wavelength is a term for the color of light, usually expressed in nanometers (nm) or microns (m). In Fiber Optics the wavelenghts mostly used are in the infrared region where the light is invisible to the human eye.


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