Power stability, linewidth, beam quality
MDL-XD-665665 nm red CW laser
665 nmThe MDL-XD-665 is a 665 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. The TTL and analog modulation options control different things: TTL gates the beam on and off, while analog control varies its intensity. Modulation bandwidth sets how quickly the source can follow a changing command.
Specifications
MDL-XD-665
15 specification rows
| Output / average power | 3~4.5 W |
|---|---|
| Beam / notes | 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) | <3.5×4.0 |
| Warm-up time (minutes) | <5 |
| Operating temperature (℃) | 10-35 |
| Power supply (100-240VAC) | PSU-N-FDA/PSU-N-LED |
| Expected lifetime (hours) | >10000 |
| Central wavelength (nm) | 665±5 |
| Beam diameter at the aperture (mm) | ~9.5×14 |
| Beam height from base plate (mm) | 99.8 |
| Modulation option | DC-1kHz, 1kHz-10kHz, 10kHz-30kHz optional; TTL and Analog optional |
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Model selection
Nearby series comparison
Compare MDL-XD-665 with the closest available models in the CW Lasers family.
| Selection parameter | MDL-XD-665 (current) | MLL-III-665 | MLL-H-665 |
|---|---|---|---|
| Wavelength | 665 nm | 665 nm | 665 nm |
| Optical power / pulse energy | 3~4.5 W | 1~800 mW | 800~2000 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | Multimode | Multimode | Multimode |
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