ILX Lightwave FOS-79800C: Source Modules
ILX Lightwave Optical Light Sources. Model: FOS-79800C.
- Model
- ILX Lightwave FOS-79800C
- Calibration
- Available on request
- Price
- $490
- Status
- In stock
- RFQ ref
- FOS-79800C
This unit
The ILX Lightwave FOS-79800C is a precision fiber optic source module engineered for integration into ILX Lightwave 7900 Series mainframes. Built around a Distributed Feedback (DFB) laser, this module delivers stabilized, tunable output across defined wavelength bands for WDM, CWDM, and component characterization applications including EDFAs, SOAs, and broadband fiber optic systems.
Technical Specifications Wavelength Performance
C-Band operation: 1527.98 nm to 1564.26 nm (FOS-79800C/315HB variant)
Center wavelengths available at 1531.12 nm, 1531.90 nm, 1532.68 nm, 1533.46 nm, 1533.47 nm, 1535.82 nm, 1538.98 nm, and 1549.32 nm
Tuning range: 1.7 nm with 0.001 nm resolution
Wavelength stability: ±0.003 nm Power & Stability
Output power: 10.5 dBm (FOS-79800C/315HB)
Power stability: ±0.003 dB (mainframe specification); <0.005 dB rms (FOS-79800E series)
Dual-stage temperature control with low-noise laser current control for closed-loop constant power operation Modulation Capability
Synchronous modulation: 1–500 kHz
Internal modulation: up to 500 kHz
Optional processor-controlled mode: 100% depth, 50% duty cycle (FOS-79800F modules) Coherence & Linewidth Control
Adjustable linewidth: 30 MHz to 1 GHz
SBS suppression and power stability enhancement
Key Features
Designed for ILX Lightwave 7900 Series mainframes (e.g., FOM-7900B)
High-resolution attenuation for precise channel control
Time-domain extinction testing capability via synchronous modulation
Extended wavelength support across S, C, and L-bands (1475 nm to 1625 nm) in related FOS-79800E and FOS-79800F variants
ITU grid and custom wavelength specifications available
Typical Applications
Wideband Code Division Multiple Access (WDM) testing
Coarse WDM (CWDM) system characterization
EDFA gain and noise figure measurement
Semiconductor optical amplifier (SOA) evaluation
Fiber optic component development and validation
Compatibility & Integration The FOS-79800C operates exclusively within ILX Lightwave 7900 Series mainframes, providing multi-wavelength test capability as part of a unified platform for telecommunications and fiber optic research applications.
Specifications
| Parameter | Value |
|---|---|
| Power Range (dBm) | 10.5 dBm (FOS-79800C/315HB) |
| 9–20 mW maximum calibrated power (FOS-79800E and FOS-79800F variants) | Wavelength Range | 1527.98 nm to 1564.26 nm (C-Band) |
ILX Lightwave FOS-79800C — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the ILX Lightwave FOS-79800C. Calibration covers output power at specified wavelengths, wavelength accuracy, 15-minute output stability, and modulation frequency accuracy where applicable. All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.
Common ILX Lightwave FOS-79800C faults: laser diode end-of-life (output below spec), fiber output connector damage, output instability. Common repairs include laser diode replacement when output falls below spec, fiber output connector repair, and thermal management service.
ILX Lightwave FOS-79800C price
This ILX Lightwave FOS-79800C is listed at $490. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
ILX Lightwave FOS-79800C calibration cost
NIST-traceable calibration for the ILX Lightwave FOS-79800C is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers output power at specified wavelengths, wavelength accuracy, 15-minute output stability, and modulation frequency accuracy where applicable. Turnaround is 1 to 3 business days after receipt. See full calibration details →
