SLM, narrow linewidth, coherence
MSL-R-457 is a 457 nm Single-Frequency laser. Used for flow cytometry, dna sequencing, medical imaging, measurement. M²: <1.2. Key specifications: output / average power 350~3500 mW, spectral linewidth <5 MHz, optical noise <0.5%. View specifications, datasheet and enquiry options from Precisometer.
Specifications
15 specification rows
| Wavelength | 457 nm |
|---|---|
| Output / average power | 350~3500 mW |
| Spectral linewidth | <5 MHz |
| Optical noise | <0.5% |
| M² | <1.2 |
| Operating mode | CW |
| Transverse mode | TEM00 |
| Longitudinal mode | Single |
| Pointing stability over temperature (μrad/°C) | <8 |
| Warm-up time (minutes) | <15 |
| Cooled method (water cooled) | WCH-580 |
| Operating temperature (°C) | 20-30 |
| Power supply (100-240VAC) | PSU-W-FDA |
| Expected lifetime (hours) | >10000 |
| Pointing stability(μrad) (over 2 hours after warm-up and ±3°C) | <50 |
| Coherent length (m) | >50 |
Application context
Typical uses for this laser type, with the selection logic tied to the model record.
MSL-R-457: 457 nm emission can be matched to the absorption or excitation band used in Flow cytometry. The stated stability or noise figure (<0.5%) helps keep measured intensity changes attributable to the sample rather than source drift.
MSL-R-457: 457 nm emission can be matched to the absorption or excitation band used in DNA sequencing. The stated stability or noise figure (<0.5%) helps keep measured intensity changes attributable to the sample rather than source drift.
MSL-R-457: 457 nm emission can be matched to the absorption or excitation band used in Medical imaging. The stated stability or noise figure (<0.5%) helps keep measured intensity changes attributable to the sample rather than source drift.
MSL-R-457: Measurement benefits from a stable, focusable source. 457 nm emission fixes the compatible coatings and detector response, while the listed beam characteristic (<1.2) informs waist size and propagation.
System integration
Use these checks to connect MSL-R-457 to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.
Technical FAQ
Cooled method (water cooled): WCH-580 · Operating temperature (°C): 20-30. Provide the stated cooling method and keep the laser-head base thermally coupled; temperature drift moves wavelength, output power and beam pointing.
M²: <1.2 · Transverse mode: TEM00. Size the downstream optics from the stated beam diameter and divergence rather than from the aperture of the housing, and confirm the polarisation state before specifying isolators or polarising optics.
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
Compare MSL-R-457 with the closest available models in the Single-Frequency Lasers family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | MSL-R-457 (current) | Single Longitudinal Mode Single Frequency | Narrow Linewidth |
|---|---|---|---|
| Wavelength | 457 nm | 457 nm | 457 nm |
| Optical power / pulse energy | 350~3500 mW | 1-350 mW | 1-350 mW |
| Operating mode / pulse width | CW | Confirm for this model | Confirm for this model |
| Beam quality | <1.2 | Confirm for this model | Confirm for this model |
Compare the MSL-R-457 with nearby single-frequency lasers across the wavelength range.
Choosing a laser
Which specifications decide the experiment, and which ones cost money without changing the result.
PhotonicsLinewidth, spectral width, RIN, M², and coherence length answer five different questions. Translate each into the units your experiment is designed in — and learn which ones not to pay for.
Open guide
PhotonicsSingle-mode fiber does not preserve polarization. Pin the state, erase it with a scrambler, or maintain it in PM fiber — which one your measurement needs, and the response time and extinction ratio that decide it.
Open guide