Fiber output, PM options, seed formats
FL-631-SLM is a 631 nm Fiber laser. Used for medical imaging, flow cytometry, dna sequencing, scientific research. Laser. Key specifications: output / average power 1~1500 mW, operating mode CW, free space output power (mw) 1mW-1.5W. View specifications, datasheet and enquiry options from Precisometer.
Specifications
28 specification rows
| Output / average power | 1~1500 mW |
|---|---|
| Beam / notes | Laser |
| Operating mode | CW |
| Free space output power (mW) | 1mW-1.5W |
| Fiber coupled output power (mW) | 1-500 |
| Power stability (rms, 4 hours, ±3℃) | <2%, <1% |
| Transverse mode | TEM00 |
| Longitudinal mode | SLM |
| Current adjustment range | 1-100% |
| Relative intensity noise (rms, 10Hz-3MHz) | <0.3%, <0.1%, (<0.05% optional) |
| Frequency shift (MHz) (over ±2℃and 8 hours) | <±200 |
| M2 | <1.1 |
| Fiber connector | FC/APC |
| Fiber length(m) | 1 |
| Fiber jacket | PVC, Metal optional |
| Polarization ratio (dB) | >15 Horizontal (Vertical optional) |
| Warm-up time (minutes) | <30 |
| Cooled method | Air cooled or Water cooled |
| Operating temperature (℃) | 15-30 |
| Operating voltage (VAC) | 110/220V |
| Expected lifetime (hours) | >10000 |
| Wavelength (nm) | 631±1 |
| Temperature turning range (nm) | >0.2 |
| PZT Turning range (GHz) | >5 |
| PZT Turning bandwidth (kHz) | >5 |
| M² | <1.1 |
| Numerical aperture | 0.12NA |
| Beam diameter (mm) | ~1@free space output |
Application context
Typical uses for this laser type, with the selection logic tied to the model record.
FL-631-SLM: 631 nm emission can be matched to the absorption or excitation band used in Medical imaging. The stated stability or noise figure (<2%, <1%) helps keep measured intensity changes attributable to the sample rather than source drift.
FL-631-SLM: 631 nm emission can be matched to the absorption or excitation band used in Flow cytometry. The stated stability or noise figure (<2%, <1%) helps keep measured intensity changes attributable to the sample rather than source drift.
FL-631-SLM: 631 nm emission can be matched to the absorption or excitation band used in DNA sequencing. The stated stability or noise figure (<2%, <1%) helps keep measured intensity changes attributable to the sample rather than source drift.
FL-631-SLM: 631 nm emission determines compatible optics, coatings and detectors for Scientific research. The catalogued beam parameter (TEM00) helps predict how the source will focus and propagate through the instrument.
System integration
Use these checks to connect FL-631-SLM to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.
Technical FAQ
Fiber connector: FC/APC. Match the listed connector and fiber mode exactly; SMA905, FC/PC and FC/APC are not interchangeable, and a single-mode launch requires mode-field as well as numerical-aperture matching.
Cooled method: Air cooled or Water cooled · Operating temperature (℃): 15-30. 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 · M2: <1.1. 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 FL-631-SLM with the closest available models in the Fiber Lasers family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | FL-631-SLM (current) | FL-631-LN-L | MRL-U-631-SF |
|---|---|---|---|
| Wavelength | 631 nm | 631 nm | 631 nm |
| Optical power / pulse energy | 1~1500 mW | 1~1500 mW | 1~200 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | TEM00 | TEM00 | TEM00 |
Compare the FL-631-SLM with nearby fiber 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