SLM, narrow linewidth, coherence
MLL-U-457457 nm blue narrow-linewidth single-frequency laser
457 nmThe MLL-U-457 is a precision 457 nm CW Single-Frequency laser delivering 1~350 mW output power, with <3%, <2%, <1%, <0.5% power stability, TEM00 beam quality. View technical specifications, download the datasheet, and request configuration options from Precisometer.
Specifications
MLL-U-457
19 specification rows
| Output / average power | 1~350 mW |
|---|---|
| Spectral linewidth | <0.003 nm (<0.1) |
| Power stability | <3%, <2%, <1%, <0.5% |
| Beam / notes | Beam Quality: M 2 <1. 5; Transverse Mode: TEM 00 |
| Operating mode | CW |
| Transverse mode | TEM00 |
| Beam diameter at the aperture (1/e2, mm) | <1.0 |
| Beam divergence (mrad) | <1.5 |
| Polarization ratio | >100:1, Vertical (Horizontal optional) |
| Warm-up time (minutes) | <5 |
| Pointing stability over temperature (μrad/°C) | <8 |
| Operating temperature (°C) | 10-35 |
| Power supply (100-240VAC) | PSU-H-FDA |
| Expected lifetime (hours) | >10000 |
| Wavelength (nm) | 457±1 |
| Noise of amplitude (rms, 20Hz-20MHz) | <1% |
| M² | <1.5 |
| Pointing stability (μrad) (over 2 hours after warm-up and ±3°C) | <50 |
| Beam height from base plate (mm) | 27.4 |
What do you need?
Tell us the output power, linewidth and beam delivery you need, and we'll reply with the matching configuration and lead time.
Model selection
Nearby series comparison
Compare MLL-U-457 with the closest available models in the Single-Frequency Lasers family.
| Selection parameter | MLL-U-457 (current) | Single Longitudinal Mode Single Frequency | Narrow Linewidth |
|---|---|---|---|
| Wavelength | 457 nm | 457 nm | 457 nm |
| Optical power / pulse energy | 1~350 mW | 1-350 mW | 1-350 mW |
| Operating mode / pulse width | CW | — | — |
| Beam quality | <1.5 | — | — |
Related single-frequency lasers
Compare the MLL-U-457 with nearby single-frequency lasers across the wavelength range.

