The Newport / ILX Lightwave BF-820 Bare Fiber Holder is a precision optical fiber positioning device engineered for stable, repeatable power measurement of bare fibers. Opposing V-guides center 125 µm cladding fibers without excessive pressure, preventing polarization distortion while maintaining test repeatability across users and sessions. The design fully encircles the fiber to block ambient light, and finger grips with textured sides enable single-handed operation and slip-free extraction from adapter rings.
Technical Specifications
• Fiber Compatibility: 125 µm cladding diameter; 250 to 900 µm buffer diameter
• Bare Fiber Extension: 1 mm to 5 mm from holder end
• Positioning Mechanism: Opposing V-guides for gentle alignment and secure fiber retention
• Material: 10% glass-filled polycarbonate
• Maximum Temperature: 125°C
• Ambient Light Blocking: Fully encircling design eliminates stray light coupling
– Key Features
• Gentle V-guide alignment prevents fiber damage and polarization mode coupling
• Single-handed placement and removal with ergonomic finger grips
• Textured sides ensure secure grip during extraction from detector rings
• Compatible with both ILX Lightwave and Agilent standard adapter rings
• Maintains test-to-test repeatability across multiple operators
– Typical Applications
• Optical fiber power measurement in laboratory and integration environments
• Telecom fiber prototyping and characterization
• High-power optical system testing and alignment
– Compatibility & Integration
The BF-820 integrates with ILX Lightwave and Agilent adapter ring ecosystems, pairing directly with FMH, OMH, and 819-WL Series detectors. Works with Newport FPM-8220 Fiber Optic Power Meter and compatible power measurement platforms.
Note: High-quality fiber cleaves are essential; poor cleaves risk fiber fusing at elevated optical powers.
