Pulse energy, repetition rate, pulse width
MDL-PS-420420 nm violet pulsed laser
420 nmThe MDL-PS-420 is a 420 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-PS-420
17 specification rows
| Output / average power | 1~50 mW |
|---|---|
| Beam / notes | Picosecond Pulsed Red Laser |
| Operating mode | CW |
| Transverse mode | Multimode |
| Beam divergence, full angle (mrad) | <2.5×0.2 |
| 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) | 420±5 |
| Peak power (mW) | 1-50 |
| Power stability (rms, 4 hours ± 3°C) | <3%, <2%, <1% |
| Pulse width (ps) | 100-1000 |
| Beam diameter at the aperture (1/e2, mm) | ~1.2 |
| Warm-up time (minutes) | <5 |
| Beam height from base plate (mm) | 26.5 |
| Operating voltage (VDC) | 12V/3.34A |
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Model selection
Nearby series comparison
Compare MDL-PS-420 with the closest available models in the Pulsed Lasers family.
| Selection parameter | MDL-PS-420 (current) | MDL-NS-420 | MDL-NS-425 |
|---|---|---|---|
| Wavelength | 420 nm | 420 nm | 425 nm |
| Optical power / pulse energy | 1~50 mW | 1~100 mW | 1~100 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | Multimode | <1.2 | <1.2 |
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