The HP 8152A Optical Average Power Meter delivers precise measurement of optical power levels across both absolute and relative modes within lightwave test environments. This versatile instrument quantifies output power from active optical components, loss and attenuation in passive optical structures, and ratio measurements at identical or different wavelengths. The meter accepts interchangeable optical heads and integrates two independent optical inputs for flexible measurement configurations. Remote control via HP-IB (IEEE-488) enables complete programmability of all functions.
Technical Specifications
Measurement Range: +3 dBm to −80 dBm (with HP 81521B optical head)
Resolution: 0.01 dB, with best-case sensitivity of 10 pW
Wavelength Coverage: 450 nm to 1700 nm, depending on optical head selection. HP 81520A covers 450–1020 nm; HP 81521B covers 900–1700 nm; HP 81522A covers 1000–1550 nm.
Accuracy: ±5% relative (calibrated at 1300 nm and −20 dBm, logarithmic reading); ±0.05 dB absolute (15%) for both 81520A and 81521B heads. Linearity typically 1% across all optical heads.
Sensor Elements: Cooled Si PIN diode (81520A), cooled Ge PIN diode (81521B), or cooled InGaAs PIN diode (81522A). All sensors feature 5 mm diameter apertures and −3 dB bandwidth of 5 kHz.
– Key Features
• Interchangeable optical head architecture for wavelength flexibility
• Individually calibrated sensor heads ensure measurement traceability
• Dual independent optical inputs for simultaneous or comparative measurements
• HP-IB programmability for system integration and remote operation
• Supports ratio measurements and source-instability compensation via optional HP 81000AS/BS Optical Power Splitter
– Typical Applications
• Active component output power verification
• Passive component insertion loss and attenuation characterization
• Wavelength-dependent power ratio analysis
• Lightwave system performance validation
– Compatibility & Integration
The 8152A requires compatible optical heads (sold separately), connector adapters (FC/PC, ST, SC, E-2000, DIN 47256, Diamond HMS-10/HP configurations available), and optical lenses. Optional optical power splitter enables ratio measurements.
