Power stability, linewidth, beam quality
MLL-FN-639639 nm red CW laser
639 nmThe MLL-FN-639 is a 639 nm continuous-wave diode-pumped solid-state laser. Laser diodes optically pump a solid gain medium inside a resonator. The pump supplies the energy; repeated passes through the gain medium amplify the laser light. Continuous-wave operation provides a sustained beam for experiments that need steady illumination.
Specifications
MLL-FN-639
20 specification rows
| Output / average power | 1~1500 mW |
|---|---|
| Beam / notes | L inewidth<0.003 nm optional |
| Operating mode | CW |
| Transverse mode | TEM00 |
| Polarization ratio | >100:1, Horizontal (Vertical optional) |
| Warm-up time (minutes) | <5 |
| Pointing stability over temperature (urad/°C) | <8 |
| Operating temperature (°C) | 10-35 |
| Power supply (100-240VAC) | PSU-H-FDA |
| Operating voltage (VDC) | PSU-SR-OEM (12V/25A) |
| Expected lifetime (hours) | >10000 |
| Wavelength (nm) | 639±1 |
| Power stability (rms, 4 hours ±3°C) | <2%, <1%, <0.5% |
| Spectral line width (nm) | <0.1, (<0.003 optional@1-400) |
| Noise of amplitude (rms, 20Hz-20MHz) | <1%, <0.5% |
| M² | <1.2, <1.1 |
| Beam diameter at the aperture (1/e2, mm) | <1.0 |
| Beam divergence, full angle (mrad) | <1.5 |
| Pointing stability (urad) (over 2 hours after warm-up and±3°C) | <50 |
| Beam height from base plate (mm) | 27.4 |
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Model selection
Nearby series comparison
Compare MLL-FN-639 with the closest available models in the CW Lasers family.
| Selection parameter | MLL-FN-639 (current) | MSL-FN-639 | MSL-R-639 |
|---|---|---|---|
| Wavelength | 639 nm | 639 nm | 639 nm |
| Optical power / pulse energy | 1~1500 mW | 1~650 mW | 650~3000 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | <1.2, <1.1 | <1.2,<1.1 | <1.3 |
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