The Keysight/Agilent/HP 81003LA is an LC connector adapter engineered for optical test and measurement applications requiring reliable LC/PC and LC/APC interfaces. This threaded head adapter integrates with the 81000 Series optical head connector adapters, providing a direct interface solution for 815xxx and 816xxx series optical heads.
## Technical Specifications
• **Connector Type:** LC/PC and LC/APC
• **Form Factor:** Threaded Head Adapter
• **Compatible Optical Heads:** 8152x and 8162x series, including 81624DD and High Power Optical Head variants
• **Fiber Type Support:** Singlemode and multimode fiber applications
• **Typical LC Connector Performance:** Return loss >20 dB (multimode), >40 dB (singlemode); insertion loss 0.1 dB per mated pair
• **Weight:** Approximately 1 lb per unit
## Key Features
• Threaded head design for secure mechanical coupling to compatible optical heads
• LC connector standard provides compact form factor suitable for high-density optical configurations
• Ceramic ferrule construction typical for LC connectors ensures low insertion loss and repeatable performance
• Supports both PC (Physical Contact) and APC (Angled Physical Contact) connector variants
## Typical Applications
• Optical power measurement with 8152x and 8162x series heads
• Singlemode and multimode fiber characterization
• Test and measurement configurations requiring LC connectorized fiber interfaces
• High-power optical head integration where applicable
## Compatibility & Integration
The 81003LA integrates within a comprehensive 81000 Series connector adapter ecosystem, complemented by specialty adapters such as the 81003TD (MTP), 81003PD (MPX), and 81003JD (MT-RJ) for alternative connector requirements. Bare fiber and optical filtering accessories including the 81000BA bare fiber adapter and 81000DF depolarizing filter extend system capability.


















