81656A Fabry-Perot Laser Source, 1550nm, 13dBm (20mW)

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The Keysight 81656A Fabry-Perot laser source is a single-wavelength module to be used in conjunction with optical power meter modules for insertion loss, optical return loss and PDL measurement of broadband components and fiber. The 81656A Fabry-Perot laser module is insensitive to back reflections and is stabilized for short and long-term applications.

Key performance specifications

• 1550nm
• 20mW (>13dBm) output power
• CW power stability: ±0.03db (24h)
• Internal digital modulation