Santec ECL-200 Tunable Filter

The Santec ECL-200 is a tunable laser diode module engineered for optical communication, metrology, and spectroscopy applications. It delivers precise wavelength control with stable optical output and integrates into multi-channel light source mainframes for advanced testing setups. The module combines manual coarse tuning with electronic fine-wavelength adjustment for flexible wavelength selection across specified ranges.

Technical Specifications

• Wavelength Range: Multiple configurations available including 1270–1350 nm, 1430–1630 nm, 1490–1630 nm, and 1530–1630 nm; tuning range exceeds 100 nm


• Optical Output Power: Greater than 8 mW typical; peak output >10.0 dBm


• Spectral Linewidth: <0.2 MHz with coherent control OFF; 0.2–200 MHz with coherent control ON


• Wavelength Resolution: <0.024 nm


• Optical Power Stability: <±0.01 dB


• Fiber Type: Single-mode


• Connector: FC/APC


• Tuning Mechanism: Manual coarse adjustment (100±5 GHz / ~0.8 nm steps) and electronic fine tuning (0.01 nm resolution)

Key Features

• Coherence control functionality for linewidth management


• Automatic Power Control (APC) for output stability


• Dual-stage wavelength tuning: coarse manual and fine electronic control


• Single-mode fiber output with FC/APC connector


• GPIB/RS-232C remote control interface

Interfaces & Control

• Remote operation via GPIB/RS-232C communication


• LabVIEW™ and Visual Basic™ driver support


• Supports automated measurement workflows

Compatibility & Integration Designed for operation within Santec Multi-Channel Light Source Mainframes (MLS-8000 supporting up to 8 channels; MLS-2100 supporting up to 2 channels). Can also operate as a standalone unit with external power source via I/O connector.