SLM, narrow linewidth, coherence
MSL-FN-457457 nm blue narrow-linewidth single-frequency laser
457 nmThe MSL-FN-457 is a precision 457 nm CW Single-Frequency laser delivering 1~350 mW output power, with <3%, <2%, <1% power stability, >50 coherence length. View technical specifications, download the datasheet, and request configuration options from Precisometer.
Specifications
MSL-FN-457
23 specification rows
| Output / average power | 1~350 mW |
|---|---|
| Spectral linewidth | <1 MHz |
| Power stability | <3%, <2%, <1% |
| M² | <1.2 |
| Operating mode | CW |
| Transverse mode | TEM00 |
| Longitudinal mode | Single |
| Beam diameter at the aperture (1/e2, mm) | <2.0 |
| Polarization ratio | >100:1, Vertical (Horizontal optional) |
| Warm-up time (minutes) | <5 |
| Pointing stability over temperature (urad /°C) | <8 |
| Frequency shift (MHz) (over ±2°C and 8hrs) (optional) | <±200 |
| Operating temperature (°C) | 10-35 |
| Power supply (100-240VAC) | PSU-H-FDA |
| Expected lifetime (hours) | >10000 |
| Wavelength (nm) | 457±1 |
| Coherent length (m) | >50 |
| Noise of amplitude (rms, 20Hz-20MHz) | <1%, <0.5% |
| Beam divergence, full angle (mrad) | <1.2 |
| Pointing stability (urad) (over 2 hours after warm-up and ±3°C) | <50 |
| Frequency shift with temp (MHz/°C) (optional) | <200 |
| Beam height from base plate (mm) | 27.4 |
| Laser head consumption (W) | 15 (typical), <25 (40°C) |
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Model selection
Nearby series comparison
Compare MSL-FN-457 with the closest available models in the Single-Frequency Lasers family.
| Selection parameter | MSL-FN-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 | <1.2 | — | — |
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