The HP/Agilent 70810B Lightwave Section is an optical-to-electrical conversion module for the Agilent 70000 Modular Measurement System, delivering precision analysis of lightwave signals across 100 kHz to 22 GHz. This integrated instrument combines an optical attenuator, broadband photodetector, 32 dB microwave preamplifier, and optical power meter to characterize optical components and systems with high fidelity.
Technical Specifications
Frequency and Wavelength Performance
• Detected modulation bandwidth: 100 kHz to 22 GHz
• Wavelength range: 1200 nm to 1600 nm (1300 nm and 1550 nm standard operation)
• Option 850 supports 750 nm to 870 nm inputs
RF and Optical Characteristics
• RF amplifier gain: 32 dB
• Optical sensitivity: -60 dBm in 10 Hz bandwidth
• Optical attenuation: 30 dB range in 1 dB steps
• Return loss: 35 dB or better
• Optical insertion loss: 8 dB at 1300 nm and 1550 nm
• Maximum safe input power: +15 dBm (average and modulated)
• Characteristic delay time: 3.5 µsec (standard) or 2.5 µsec (Option 005)
Frequency Response and Distortion
• 100 kHz to 2.9 GHz: ±1.0 dB (20–30 °C) or ±1.3 dB (0–55 °C)
• 2.9 GHz to 22 GHz: ±1.0 dB (20–30 °C) or ±2.3–2.8 dB (0–55 °C)
• Harmonic distortion: <-20 dB, <-30 dB, <-50 dBc, <-70 dBc; -70 dB below fundamental at 10 MHz to 22 GHz
Measurement Accuracy
• Factory calibrated average power: ±0.65 dB ±0.5 nW ±connector variation (1300 nm, 1550 nm, or 830 nm with Option 850)
• User calibrated average power: ±0.05 dB ±0.5 nW ±external power meter accuracy
RF Output
• Bypass mode insertion loss: 2.5 dB (100 kHz–6 GHz) or 3.7 dB (6–12 GHz)
– Key Features
• Operates as MMS slave module or standalone within mainframe
• Integrated optical power meter with calibration options
• Controllable optical attenuation for extended dynamic range
• Broadband RF output for detailed signal analysis
– Typical Applications
Laser characterization, optical component insertion loss and return loss measurement, intensity noise analysis, group delay determination, modulation characteristics assessment.
– Compatibility & Integration
Designed for Agilent 70000 Modular Measurement System. Supports synchronization with MMS local oscillator in slave mode.
