Laser Diodes & Sources

Fiber Coupled Narrow Line Laser Source

The FCNL series of Fiber Coupled Narrowline Laser Sources delivers linewidths as narrow as 3kHz and output power up to 200mW in single-mode or polarization-maintaining fiber. Each benchtop laser source features high-precision, low-noise auto-feedback drive electronics to ensure constant output power or constant driving current. An integrated temperature control unit maintains optimal operating conditions, and a built-in isolator prevents reflection-induced laser instability. Each unit includes a front fiber output connector and a universal power supply compatible with 100 to 240 VAC. We offer two package options: a benchtop version for ease of use, and a compact module for system integration. The benchtop model features an intuitive LCD display with independent controls for output power and temperature, accessible via two front rotating knobs.

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Configuration options

Build & quote

Configure the options below and add your exact build to the enquiry — we confirm the part number and availability.

WavelengthLinewidthPowerPackageIsolatorTEC CoolingFiber TypeConnector

We confirm the exact part number for your configuration on enquiry.

Wavelength: 1550nm · Linewidth: 3kHz · Power: 10mW · Package: Benchtop · Isolator: Yes · TEC Cooling: Yes · Fiber Type: PM1550 · Connector: FC/APC

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Datasheets & documents

Narrowline Laser Source

System integration

Integration and compatibility

Use these checks to connect Fiber Coupled Narrow Line Laser Source to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.

Optical interface and fiber: Fiber Type: PM1550 · Connector: FC/APC, Special; Specify connector polish and fiber architecture together. FC/PC, FC/APC and SMA interfaces, and single-mode, multimode and polarization-maintaining fibers, impose different return-loss, mode-field and alignment requirements.
Wavelength and loss budget: Wavelength: 1550nm; Check the Laser Diodes & Sources passband, insertion loss, return loss and power handling at the actual source wavelength; a nominal telecom-band label is not a substitute for the configured range.

Technical FAQ

Integration questions for Fiber Coupled Narrow Line Laser Source

Which fiber and connector does the Fiber Coupled Narrow Line Laser Source use?

Fiber Type: PM1550 · Connector: FC/APC, Special. Specify connector polish and fiber architecture together. FC/PC, FC/APC and SMA interfaces, and single-mode, multimode and polarization-maintaining fibers, impose different return-loss, mode-field and alignment requirements.

How should the Fiber Coupled Narrow Line Laser Source be included in an optical power budget?

Wavelength: 1550nm. Check the Laser Diodes & Sources passband, insertion loss, return loss and power handling at the actual source wavelength; a nominal telecom-band label is not a substitute for the configured range.