The Agilent/HP 8158B is a programmable optical attenuator for single-mode and multimode fibers with numerical aperture up to 0.3. It delivers 60 dB attenuation range with 0.01 dB display resolution and typical accuracy of ±0.02 dB (1250–1650 nm) or ±0.05 dB (1200–1650 nm). The unit supports full HP-IB (GPIB) programmability for automated test environments and mainframe integration.
Technical Specifications
• Attenuation Range: 60 dB
• Display Resolution: 0.01 dB; 0.001 dB (1250–1650 nm)
• Attenuation Accuracy: ±0.02 dB typical (1250–1650 nm); ±0.05 dB typical (1200–1650 nm)
• Repeatability: 0.04 dB typical; ±0.005 dB typical
• Polarization Sensitivity: 35 dB (Option 100); >45 dB/>60 dB (Options 101/201, 121/221); >22 dB (Option 350)
• Maximum Input Power: +23 dBm
• Switching Time: 20–400 ms
• Fiber NA: Up to 0.3
• Dimensions: 212 mm W × 89 mm H × 345 mm D
• Weight: 5.3 kg net; 9.6 kg shipping
– Key Features
• Wavelength-dependent attenuation correction matched to source center wavelength
• HMS-10/HP fiber interface connector
• Full GPIB programmability for test automation
• Supports single-mode and multimode optical fibers
– Wavelength Options
• Base Unit: 1300–1550 nm
• Option 001: 600–1200 nm
• Option 002: 1200–1650 nm
• Option 014: ST connector (multimode only)
– Typical Applications
Optical component and system testing; automated attenuation measurement; fiber-optic network characterization; optical power level verification.
