Keysight (Agilent) 81608A CALIBRATION and Keysight (Agilent) 81608A 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) 81608A 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) 81608A   Description / Specification:    
Keysight (Agilent) 81608A 1240/1380, 1490/1640, 1450/1650nm Tunable Laser Source

The Keysight 81608A tunable laser module offers a peak output power of more than +12 dBm, at least 75 dB/nm above its spontaneous emission level. It features a typical wavelength repeatability of ±1.5 pm at two-way sweeps up to 200 nm/s. The laser’s balance of features, performance and price makes it suitable for both coherent transmission experiments and cost-effective manufacturing-floor component testing.

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.
Maximum sweep speed: 200 nm/s, bidirectional.
Wavelength stability (typical): ≤ ±2.5 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:
  ±10 pm; typ. ±3 pm (Stepped mode),
  ±5 pm (Continuous sweep mode, both directions (typical)).
Wavelength repeatability:
  ±2.5 pm; typ. ±1 pm (Stepped mode),
  ±1.5 pm (Continuous sweep mode, both directions (typical)).
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.

81608A-113, Wavelengths 1240 - 1380 nm.
81608A-116, Wavelengths 1490 - 1640 nm.
81608A-216, Wavelengths 1450 - 1650 nm.


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

Chromatic Dispersion
Chromatic Dispersion is a broadening of the input signal as it travels down the length of the fiber. Chromatic Dispersion results from a variation in propagation delay with wavelength, and is affected by fiber materials and dimensions.

A Detector is a signal conversion device that converts power from one form to another, such as from optical power to electrical power

Jitter in technical terms is the deviation in or displacement of some aspect of the pulses in a high-frequency digital signal. Jitter is the time variation of a periodic signal in electronics and telecommunications, often in relation to a reference clock source. Jitter may be observed in characteristics such as the frequency of successive pulses, the signal amplitude, or phase of periodic signals. Jitter is a significant, and usually undesired, factor in the design of almost all communications links (e.g., USB, PCI-e, SATA, OC-48). In clock recovery applications it is called timing jitter.

Polarization Mode Dispersion (PMD)
Polarization mode dispersion (PMD) is a form of modal dispersion where two different polarizations of light in a waveguide, which normally travel at the same speed, travel at different speeds due to random imperfections and asymmetries, causing random spreading of optical pulses. It is he difference between the maximum and minimum values of loss typically measured in ps/km^1/2.

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