The 81606A tunable laser source is a new module for the 8164B lightwave measurement system. It has been designed to reach a new accuracy level and to increase test efficiency by enabling faster swept-wavelength tests and lower cost of ownership.
It accelerates the automated adjustment of wavelength-selective devices with sub-picometer repeatability and best-in-class accuracy, even in the new two-way sweep mode at up to 200 nm/s speed.
The 81606A tunable laser source helps optical component developers, designers and manufacturers test more devices per hour and improves test margins with significantly enhanced functionality over the current 81600B laser, the industry standard for more than a decade. It offers:

15 dB more dynamic range through high signal power at lowest spontaneous emission, enabled by the new cavity and laser module design,

a 4-fold improvement in absolute accuracy with increased real-time tracking speed and resolution, enabled by the novel wavelength reference unit,

40 times faster sweeps without impacting the specified dynamic accuracy, enabled by enhanced feedback controls and drive mechanics.

Wavelength: 1450-1650 or 1490-1640 nm

Sweep speeds: up to 200 nm/s

Typ. max. power: 12 dBm peak

Typ. signal to SSE ratio: 80 dB/nm

Typ. accuracy: 2 pm static, 3 pm sweeping

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