Power stability, linewidth, beam quality
MSL-R-639 is a 639 nm CW laser. Used for flow cytometry, dna sequencing, medical imaging, collimation. Water cooled. Key specifications: output / average power 650~3000 mW, operating mode CW, transverse mode TEM00. View specifications, datasheet and enquiry options from Precisometer.
Specifications
14 specification rows
| Wavelength | 639 nm |
|---|---|
| Output / average power | 650~3000 mW |
| Beam / notes | Water cooled |
| Operating mode | CW |
| Transverse mode | TEM00 |
| Longitudinal mode | Single |
| Spectral line width (nm) | <5MHz |
| 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-639: 639 nm emission can be matched to the absorption or excitation band used in Flow cytometry. The stated stability or noise figure (<8) helps keep measured intensity changes attributable to the sample rather than source drift.
MSL-R-639: 639 nm emission can be matched to the absorption or excitation band used in DNA sequencing. The stated stability or noise figure (<8) helps keep measured intensity changes attributable to the sample rather than source drift.
MSL-R-639: 639 nm emission can be matched to the absorption or excitation band used in Medical imaging. The stated stability or noise figure (<8) helps keep measured intensity changes attributable to the sample rather than source drift.
MSL-R-639: Collimation benefits from a stable, focusable source. 639 nm emission fixes the compatible coatings and detector response, while the listed beam characteristic (TEM00) informs waist size and propagation.
System integration
Use these checks to connect MSL-R-639 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.
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-639 with the closest available models in the CW Lasers family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | MSL-R-639 (current) | MSL-FN-639 | MSL-DU-639-W |
|---|---|---|---|
| Wavelength | 639 nm | 639 nm | 639 nm |
| Optical power / pulse energy | 650~3000 mW | 1~650 mW | 1~750 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | TEM00 | TEM00 | TEM00 |
Compare the MSL-R-639 with nearby cw lasers across the wavelength range.
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