Power stability, linewidth, beam quality
MLL-U-1444-SU1444 nm infrared CW laser
1444 nmThe MLL-U-1444-SU is a 1444 nm continuous-wave solid-state laser. Light is amplified in a solid gain medium inside an optical resonator. The resonator feeds light back through that medium to build the laser beam. The pump arrangement and cooling determine how energy is supplied and waste heat is removed. Continuous-wave operation provides a sustained beam for experiments that need steady illumination.
Specifications
MLL-U-1444-SU
19 specification rows
| Output / average power | 1~400 mW |
|---|---|
| Beam / notes | Laser |
| Operating mode | CW |
| Transverse mode | TEM00 |
| Noise of amplitude (rms, 20Hz-20MHz) | <1% |
| M2 | <1.5 |
| Polarization ratio | >100:1, Horizontal (Vertical optional) |
| Warm-up time (minutes) | <5 |
| Operating temperature (°C) | 10-35 |
| Power supply (100-240VAC) | PSU-H-FDA |
| Expected lifetime (hours) | >10000 |
| Wavelength (nm) | 1444±2 |
| Power stability (rms, 4 hours ±3°C) | <3%, <2% |
| Spectral line width (nm) | <1.0, <0.1 |
| M² | <1.5 |
| Beam diameter at the aperture (1/e2, mm) | ~1.5 |
| Beam divergence (mrad) | <1.5 |
| Pointing stability (μrad) (over 2 hours after warm-up and ±3°C) | <50 |
| Beam height from base plate (mm) | 27.4 |
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Model selection
Nearby series comparison
Compare MLL-U-1444-SU with the closest available models in the CW Lasers family.
| Selection parameter | MLL-U-1444-SU (current) | MIL-U-1444-SU | FC-1444 |
|---|---|---|---|
| Wavelength | 1444 nm | 1444 nm | 1444 nm |
| Optical power / pulse energy | 1~400 mW | 1~400 mW | 1~360 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | <1.5 | <1.5 | — |
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