Keysight Technologies Inc. 81655A Laser Source Module (FP) 1310nm, 13dBm
The Keysight 81655A is a laser source module designed for use with the Keysight 8163B, 8164B, and 8166B Lightwave Mainframes. It features a Fabry-Perot (FP) laser diode operating at a nominal wavelength of 1310 nm and delivers an output power of up to 13 dBm. The module is intended for applications such as fiber optic component testing, system verification, and general-purpose optical measurements. The 81655A provides stable optical output, high reliability, and is hot-swappable for ease of use in multi-channel test setups. It is fully compatible with the 81600 series modular platform, allowing integration with other optical test modules for flexible and scalable test configurations.