Power stability, linewidth, beam quality
MIL-W-40004000 nm infrared CW laser
4000 nmThe MIL-W-4000 is a 4000 nm continuous-wave diode-pumped solid-state laser. Laser diodes optically pump a solid gain medium inside a resonator. The pump supplies the energy; repeated passes through the gain medium amplify the laser light. Continuous-wave operation provides a sustained beam for experiments that need steady illumination.
Specifications
MIL-W-4000
14 specification rows
| Operating mode | CW |
|---|---|
| Output / average power | 50~500 mW |
| Beam / notes | CW Mid-Infrared Laser |
| Wavelength (nm) | 4000 |
| Wavelength deviation (nm) | ±30 |
| Power stability (rms, 4 hours±3℃) | <5%, <3% |
| Beam divergence, full angle (mrad) | <11 |
| Beam diameter at the aperture (1/e2,mm) | <11 |
| Beam height from base plate (mm) | 103 |
| Warm-up time (minutes) | <10 |
| Cooled method | Air Cooled |
| Operating temperature (℃) | 15-35 |
| Power supply (100-240VAC) | RAD1PS |
| Expected lifetime (hours) | >10000 |
What do you need?
Tell us the output power, beam quality and beam delivery you need, and we'll reply with the matching configuration and lead time.
Model selection
Nearby series comparison
Compare MIL-W-4000 with the closest available models in the CW Lasers family.
| Selection parameter | MIL-W-4000 (current) | MDL-XN-4000 | TUN-W-2600~4410 |
|---|---|---|---|
| Wavelength | 4000 nm | 4000 nm | 4000 nm |
| Optical power / pulse energy | 50~500 mW | 1~600 mW | 50~500 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | <11 | Near TEM00 | <11 |
Related cw lasers
Compare the MIL-W-4000 with nearby cw lasers across the wavelength range.


