Point light source module

Key Features 850 nm Fabry-Perot Laser Source: Designed for multimode fiber systems. Module Form Factor: Plugs into the HP 8153A Lightwave Multimeter mainframe via a proprietary interface/bus. Multimode Fiber Compatibility: Optimized for 50/125 μm multimode fiber. Stable Output: Provides a stable and coherent laser beam for various optical testing applications. Laser Class: Class 3A per IEC 825-1 (Europe); Class 1 per 21 CFR 1040.10 (USA). Built-in Safety Circuitry: Automatically disables optical output in fault conditions. The HP 81551MM is an 850 nm Fabry-Perot laser source module designed for use with the HP 8153A Lightwave Multimeter mainframe. It is a multimode fiber source (50/125 μm) with an output power greater than -2 dBm and a maximum output of approximately 1.58 mW. Key features include its module form factor, stable laser output, and built-in safety circuitry. This module is commonly used for optical communications testing, component characterization, and R&D applications.