Fiber output, PM options, seed formats
FL-620-CW is a 620 nm Fiber laser. Used for micro-photoluminescence spectra，flow cytometry, spectroscopy, thin film technology, scientific research. Fiber Red Laser. Key specifications: output / average power 1~500 mW, operating mode CW, power stability (rms, 4 hours, ±3℃) <2%, <1%, <0.5%. View specifications, datasheet and enquiry options from Precisometer.
Specifications
18 specification rows
| Output / average power | 1~500 mW |
|---|---|
| Beam / notes | Fiber Red Laser |
| Operating mode | CW |
| Power stability (rms, 4 hours, ±3℃) | <2%, <1%, <0.5% |
| Spectral linewidth (nm) | <0.5 |
| M2 | <1.2 |
| Beam diameter (mm) | ~2 |
| Polarization ratio (dB) | >15 Horizontal (Vertical optional) |
| Cooled method | Air cooled |
| Warm-up time (minutes) | <15 |
| Operating temperature (℃) | 15-35 |
| Operating voltage (VAC) | 110/220VAC |
| Expected lifetime (hours) | >10000 |
| Fundamental Frequency | Second harmonic |
| Wavelength (nm) | 620±1 |
| Output power (mW) | 1-500 |
| M² | <1.2 |
| Delivery cable length (m) | 1 |
Application context
Applications named on this model’s datasheet, expanded with the model’s optical specifications.
FL-620-CW: 620 nm emission can be matched to the absorption or excitation band used in Micro-photoluminescence spectra，flow cytometry. The stated stability or noise figure (<2%, <1%, <0.5%) helps keep measured intensity changes attributable to the sample rather than source drift.
FL-620-CW: 620 nm emission sets the excitation and detector-band choice for Spectroscopy; linewidth and wavelength stability determine how cleanly weak spectral features can be separated from the laser line. The listed beam characteristic (<1.2) also controls focusing and collection geometry.
FL-620-CW: 620 nm emission determines compatible optics, coatings and detectors for Thin film technology. The catalogued beam parameter (<1.2) helps predict how the source will focus and propagate through the instrument.
FL-620-CW: 620 nm emission determines compatible optics, coatings and detectors for Scientific research. The catalogued beam parameter (<1.2) helps predict how the source will focus and propagate through the instrument.
System integration
Use these checks to connect FL-620-CW to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.
Technical FAQ
Cooled method: Air cooled · Operating temperature (℃): 15-35. 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 · Beam diameter (mm): ~2. 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-620-CW with the closest available models in the Fiber Lasers family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | FL-620-CW (current) | FL-618-SLM | FL-618-LN-L |
|---|---|---|---|
| Wavelength | 620 nm | 618 nm | 618 nm |
| Optical power / pulse energy | 1~500 mW | 1-50 mW | 1~50 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | <1.2 | TEM00 | TEM00 |
Compare the FL-620-CW 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