Optical instrumentation
FC-1940: 1940 nm emission determines compatible optics, coatings and detectors for Optical instrumentation. Beam quality, divergence and pointing stability should be checked against the experiment geometry.
Power stability, linewidth, beam quality
FC-19401940 nm infrared CW laser
1940 nmFC-1940 is a 1940 nm CW laser. Key specifications: output / average power 1~15 W, central wavelength (nm) 1940±20, operating mode CW. View specifications, datasheet and enquiry options from Precisometer.
Specifications
FC-1940
15 specification rows
| Output / average power | 1~15 W |
|---|---|
| Central wavelength (nm) | 1940±20 |
| Operating mode | CW |
| Output power after fiber (W) | 1-15 |
| Power stability (rms, 4 hours ± 3°C) | <2%, <1%, <0.5% |
| Fiber core diameter | 400µm, 0.22 NA |
| Fiber connector | SMA905, FC/PC optional |
| Fiber length | 1m |
| Fiber jacket | Metal, PVC optional |
| Warm-up time (minutes) | <5 |
| Cooled method | Air cooled |
| Operating temperature (℃) | 10-35 |
| Operating voltage (VAC) | 100-240 |
| Modulation option | DC-1kHz, 1kHz-10kHz, 10kHz-30kHz optional; TTL and Analog optional |
| Expected lifetime (hours) | >10000 |
Application context
Why this design is used
Typical uses for this laser type, with the selection logic tied to the model record.
Laboratory measurement
FC-1940: Laboratory measurement benefits from a stable, focusable source. 1940 nm emission fixes the compatible coatings and detector response, while M², divergence and pointing stability should be confirmed for the intended beam path.
System integration
Integration and compatibility
Use these checks to connect FC-1940 to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.
- Fiber delivery interface
- Fiber core diameter: 400µm, 0.22 NA · Fiber connector: SMA905, FC/PC optional
- Match the listed connector and fiber mode exactly; SMA905, FC/PC and FC/APC are not interchangeable, and a single-mode launch requires mode-field as well as numerical-aperture matching.
- Thermal management
- Cooled method: Air cooled · Operating temperature (℃): 10-35
- Provide the stated cooling method and keep the laser-head base thermally coupled; temperature drift moves wavelength, output power and beam pointing.
Technical FAQ
Integration questions for FC-1940
How is the FC-1940 output delivered?
Fiber core diameter: 400µm, 0.22 NA · Fiber connector: SMA905, FC/PC optional. Match the listed connector and fiber mode exactly; SMA905, FC/PC and FC/APC are not interchangeable, and a single-mode launch requires mode-field as well as numerical-aperture matching.
What cooling does the FC-1940 require?
Cooled method: Air cooled · Operating temperature (℃): 10-35. Provide the stated cooling method and keep the laser-head base thermally coupled; temperature drift moves wavelength, output power and beam pointing.
Need this configured?
Share wavelength, operating mode, output power or pulse energy, linewidth or pulse width, delivery, control, and safety requirements and we will qualify the matching configuration and lead time.
Model selection
Nearby series comparison
Compare FC-1940 with the closest available models in the CW Lasers family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | FC-1940 (current) | MIL-N-1940 | MIL-W-1940 |
|---|---|---|---|
| Wavelength | 1940 nm | 1940 nm | 1940 nm |
| Optical power / pulse energy | 1~15 W | 1~2000 mW | 1~11 W |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | Confirm for this model | Near TEM00 | Near TEM00 |
Related cw lasers
Compare the FC-1940 with nearby cw lasers across the wavelength range.
