The Keysight Technologies (Agilent) 81630B is a high-power optical power sensor module designed for use with the 8163A/B, 8164A/B, and 8166A/B Lightwave mainframe systems. Featuring an InGaAs detector, it is engineered for high-power optical measurements, boasting a range from -70 dBm up to +28 dBm with superior linearity and accuracy, making it ideal for testing high-power amplifiers, transmitters, and passive components.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | None on module (uses host mainframe interfaces: GPIB, LAN, USB, RS-232) |
| Display | None (uses host mainframe display) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Powered directly by host mainframe slot |
| Operating Temperature | 0 °C to +40 °C |
| Dimensions (W×H×D) | 75 mm × 32 mm × 282 mm |
| Weight | 0.5 kg |
Optical Performance
| Parameter | Value |
|---|---|
| Wavelength Range | 970 nm to 1650 nm |
| Sensor Element (Detector Type) | InGaAs (High Power) |
| Power Measurement Range | -70 dBm to +28 dBm |
| Maximum Safe Input Power | +30 dBm |
| Uncertainty at Reference Conditions | ±3.0 % (at 1310 nm and 1550 nm) |
| Total Relative Uncertainty | ±0.15 dB (970 nm to 1600 nm, -50 dBm to +23 dBm) |
| Linearity (at 23 °C ± 5 °C, -50 to +23 dBm) | < ±0.05 dB |
| Linearity (at 23 °C ± 5 °C, +23 to +28 dBm) | < ±0.15 dB |
| Linearity (at 23 °C ± 5 °C, -70 to -50 dBm) | < ±0.15 dB |
| Linearity over Operating Temperature (-50 to +23 dBm) | < ±0.10 dB |
| Linearity over Operating Temperature (+23 to +28 dBm) | < ±0.20 dB |
| Linearity over Operating Temperature (-70 to -50 dBm) | < ±0.20 dB |
| Noise Floor (1200 nm to 1600 nm, 1 s peak-to-peak) | < 50 pW |
| Noise Floor (970 nm to 1650 nm, 1 s peak-to-peak) | < 250 pW |
| Number of Power Channels | 1 |
| Polarization Dependence | < ±0.01 dB (1200 nm to 1600 nm) |
| Integrating Sphere Aperture Diameter | 5 mm |
Timing and Data Acquisition
| Parameter | Value |
|---|---|
| Minimum Averaging Time | 100 µs |
| Maximum Averaging Time | 10 s |
| Data Logging Capacity | Up to 100,000 points (mainframe dependent) |
Optical Interface and Compatibility
| Parameter | Value |
|---|---|
| Fiber Type Compatibility | Single-mode (SM) and Multi-mode (MM) up to 100 µm core diameter |
| Maximum Numerical Aperture (NA) | 0.3 |
| Optical Connector Adapter System | 81000xI series interchangeable adapters |
| Compatible Connector Adapters | FC (81000FI), SC (81000KI), ST (81000VI), DIN (81000SI), MU (81000LI), LC (81000MI), E2000 (81000HI) |
Mainframe and System Integration
| Parameter | Value |
|---|---|
| Compatible Mainframes | 8163A/B, 8164A/B, 8166A/B |
| Number of Instrument Slots Required | 1 |
| Hot-Swappability Support | No |
| Remote Control Command Set | SCPI compliant (via mainframe) |
| Trigger Inputs/Outputs | Available via host mainframe backplane |
Environmental and Reliability
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
| Operating Humidity Range | 15% to 95% R.H. (non-condensing) |
| Warm-up Time | 40 minutes |
| Recommended Calibration Interval | 2 years |
Compliance and Standards
| Parameter | Value |
|---|---|
| Calibration Traceability | Traceable to NIST and PTB |
Analog Output
| Parameter | Value |
|---|---|
| Analog Output Voltage Range | 0 to 2 V into open circuit |
| Analog Output Bandwidth | DC to 10 kHz (ranges 1 to 4), DC to 10 Hz (ranges 5 to 6) |
| Analog Output Connector | BNC female |
| Analog Output Impedance | 600 Ω (nominal) |
Calibration
| Parameter | Value |
|---|---|
| Reference Power Level | 100 µW (-10 dBm) |
| Reference Wavelengths | 1310 nm |
Wavelength
| Parameter | Value |
|---|---|
| Wavelength Setting Resolution | 0.01 nm |
Performance
| Parameter | Value |
|---|---|
| Maximum Sampling Rate | 10 kHz |
Compliance
| Parameter | Value |
|---|---|
| EMC Compliance | IEC 61326-1 / EN 61326-1 |
| Safety Compliance | IEC 61010-1 / EN 61010-1 |
Technology
InGaAs Optical Power Sensor
Applications
High-power optical power measurement and fiber optic testing