Power stability, linewidth, beam quality
MDL-HD-655655 nm red CW laser
655 nmThe MDL-HD-655 is a 655 nm continuous-wave direct diode laser. Electrical current creates optical gain in a semiconductor junction, and the diode generates the laser light directly. Optical feedback selects the oscillating modes, while drive current and junction temperature affect output power and wavelength. Continuous-wave operation provides a sustained beam for experiments that need steady illumination.
Specifications
MDL-HD-655
11 specification rows
| Wavelength | 655 nm |
|---|---|
| Output / average power | 1.5~3 W |
| Beam / notes | High Stability Red Laser |
| Operating mode | CW |
| Power stability (rms, 4 hours ± 3°C) | <2%, <1%, <0.5% |
| Transverse mode | Multimode |
| Polarization direction | Horizontal+ Vertical |
| Beam divergence, full angle (mrad) | ~2.5×2.5 |
| Warm-up time (minutes) | <5 |
| Operating temperature (℃) | 25±3 |
| Power supply (100-240VAC) | PSU-N-FDA/PSU-N-LED |
| Expected lifetime (hours) | >10000 |
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Model selection
Nearby series comparison
Compare MDL-HD-655 with the closest available models in the CW Lasers family.
| Selection parameter | MDL-HD-655 (current) | MDL-C-655 | MLL-III-655L |
|---|---|---|---|
| Wavelength | 655 nm | 655 nm | 655 nm |
| Optical power / pulse energy | 1.5~3 W | 1~80 mW | 1~180 mW |
| Operating mode / pulse width | CW | — | CW |
| Beam quality | Multimode | — | Near TEM00 |
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