ILX Lightwave FPM-8200 Fiber Optic Power Meter with 800–1600 nm InGaAs Detector

The ILX Lightwave FPM-8200 is a precision fiber optic power meter for accurate optical power measurements across the 800–1600 nm wavelength band. Built around an InGaAs detector, it delivers sub-picowatt noise floors and linearity of ±0.015 dB, making it suitable for laboratory characterization and production testing of fiber optic components and systems. The instrument combines high sensitivity with NIST-traceable calibration and multi-interface connectivity for demanding measurement applications.

– Technical Specifications

Optical Detector
• Sensor Type: InGaAs
• Wavelength Range: 800–1600 nm
• Power Range: -75 to +1.5 dBm (-70 dBm minimum at 800–1000 nm)
• Damage Threshold: +10 dBm
• Noise Floor: <2 pW p-p (1000–1600 nm); <4 pW p-p (800–1000 nm); 1.0 pW maximum at 1550 nm
• Sample Rate: 50 msec
• Temperature Coefficient: ±0.02%/°C typical
• Linearity: ±0.015 dB, ±2 pW (total variation from straight-line response, auto-range mode)

Accuracy & Calibration
• Reference Conditions (23°C ±3°C): ±2.5%
• Operating Conditions: ±5.0%
• Power Accuracy at -20 dBm (1550/1310 nm): 2.5%
• Power Accuracy at Constant Wavelength (1550 nm): 5%
• NIST Traceable Calibration: Included

Display
• Power Display: 5-digit, 7-segment LED; -80 to +5 dBm range; log or linear modes; 0.001 unit resolution
• Wavelength Display: 4-digit, 7-segment LED; 800–1600 nm; 1 nm resolution
• Power Level Bargraph: LED bar graph; <0.05 dB resolution; relative to full scale per gain range
• Filter Update Rates: Fast (0.05 s), Medium (0.50 s), Slow (5 s)

Analog & Digital Interfaces
• Analog Output: 0–10 V, 0–10 Hz bandwidth, 1000 Ω impedance, proportional to measured power
• GPIB: IEEE-488 for systems integration

– Key Features

• Selectable display modes: logarithmic or linear power readout
• Real-time bargraph visualization with sub-0.05 dB resolution
• Three filter modes for optimized response to dynamic or stable signals
• Dual-interface architecture: analog voltage and GPIB command control

– Typical Applications

• Fiber optic component characterization across the C-, L-, and S-bands
• Production-line optical power verification
• Wavelength-dependent power response mapping

– Compatibility & Integration

• Connector Adapters: FC/PC, FC/APC, LC, SC, ST, DIN, bare fiber (7/8" – 28 UNC universal adapter design)
• Anti-static protective covers included
• Rack Mounting: 2U height, 1/2-width international standard configuration