Power stability, linewidth, beam quality
MLL-H-940940 nm near-infrared CW laser
940 nmThe MLL-H-940 is a 940 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
MLL-H-940
16 specification rows
| Output / average power | 1~4.5 W |
|---|---|
| Beam / notes | Low Noise Infrared Laser |
| Operating mode | CW |
| Transverse mode | Multimode |
| Noise of amplitude (rms, 20Hz-20MHz) | <1%, <0.5% |
| Beam divergence, full angle (mrad) | <3.0 |
| Warm-up time (minutes) | <5 |
| Cooled method | Air cooled |
| Operating temperature (°C) | 10-35 |
| Power supply (100-240VAC) | PSU-H-FDA/PSU-H-LED |
| Expected lifetime (hours) | >10000 |
| Central wavelength (nm) | 940±5 |
| Power stability (rms, 4 hours ± 3°C) | <2%, <1%, <0.5% |
| Beam diameter at the aperture (mm) | ~5×8 |
| Beam height from base plate (mm) | 29 |
| Modulation option | DC-1kHz, 1kHz-10kHz, 10kHz-30kHz optional; TTL and Analog optional |
What do you need?
Tell us the output power, beam quality and beam delivery you need, and we'll reply with the matching configuration and lead time.
Model selection
Nearby series comparison
Compare MLL-H-940 with the closest available models in the CW Lasers family.
| Selection parameter | MLL-H-940 (current) | MLL-III-940L | MLL-III-940 |
|---|---|---|---|
| Wavelength | 940 nm | 940 nm | 940 nm |
| Optical power / pulse energy | 1~4.5 W | 1~250 mW | 1~1000 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | Multimode | <1.5 | Multimode |
Related cw lasers
Compare the MLL-H-940 with nearby cw lasers across the wavelength range.
