Laser Diodes & Sources
405nm MM Fiber Coupled Laser
The FCML series diode lasers deliver up to 300mW of power through a 50/125µm fiber. They feature built-in optical isolator, low capacitance and low dark current, high stability, low threshold current, low operating current, integrated high isolation, and low insertion loss.

Configuration options
Build & quote
Configure the options below and add your exact build to the enquiry — we confirm the part number and availability.
We confirm the exact part number for your configuration on enquiry.
Wavelength: 405nm · Power: 200-300mW · Isolator: None · Monitor: None · Package: Coaxial · Fiber Type: 50/125 · Fiber Buffer: 0.9mm Tube · Fiber Length: 0.25m · Connector: Non
System integration
Integration and compatibility
Use these checks to connect 405nm MM Fiber Coupled Laser 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: 50/125, Special · Fiber Buffer: 0.9mm Tube, 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: 405nm
- 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 405nm MM Fiber Coupled Laser
Which fiber and connector does the 405nm MM Fiber Coupled Laser use?
Fiber Type: 50/125, Special · Fiber Buffer: 0.9mm Tube, 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 405nm MM Fiber Coupled Laser be included in an optical power budget?
Wavelength: 405nm. 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.
Need this configured?
Share your wavelength, fiber type, connector, power handling and control requirements and we will qualify the matching configuration and part number.
Model selection
Nearby series comparison
Compare 405nm MM Fiber Coupled Laser with the closest available models in the Laser Diodes & Sources family.
| Selection parameter | 405nm MM Fiber Coupled Laser (current) | 405nm Fiber Coupled FP Laser Source | 450-2200nm Tunable Laser Single Mode Fiber Coupled |
|---|---|---|---|
| Wavelength range | 405nm | 405nm | 1300-1600nm, 1280-1760nm, 1900-2200nm, 850-1100nm, 650-850nm, 400-650nm, 1310-2200nm, 1280-2200nm, 900-2200nm |
| Fiber type | 50/125, Special | SM400, PM400 | — |
| Connector / control | Non, FC/APC, FC/PC, SC/PC, SC/APC, LC/PC, LC/UPC, Special | Non, FC/APC, FC/PC, Special | None, FC/PC, FC/APC, Special |



