Power stability, linewidth, beam quality
MDL-MD-520520 nm green CW laser
520 nmThe MDL-MD-520 is a 520 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-MD-520
14 specification rows
| Output / average power | 1-2 W |
|---|---|
| Beam / notes | High Stability Green Laser |
| Operating mode | CW |
| Power stability (rms, 4 hours ± 3°C) | <2%, <1%, <0.5% |
| Transverse mode | Multimode |
| Polarization direction | Horizontal+ Vertical / Horizontal/ Vertical |
| Beam divergence, full angle (mrad) | ~2.2×1.2 / ~2.1×1.2 |
| Warm-up time (minutes) | <5 |
| Operating temperature (℃) | 25±3 |
| Power supply (100-240VAC) | PSU-H-FDA/PSU-H-LED/PSU-N-LED |
| Expected lifetime (hours) | >10000 |
| Central wavelength (nm) | 520±10 |
| Beam height from base plate (mm) | 25 |
| Modulation option | DC-1kHz, 1kHz-10kHz, 10kHz-30kHz optional; TTL and Analog optional |
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Model selection
Nearby series comparison
Compare MDL-MD-520 with the closest available models in the CW Lasers family.
| Selection parameter | MDL-MD-520 (current) | MDL-C-520 | TEM-LN-520 |
|---|---|---|---|
| Wavelength | 520 nm | 520 nm | 520 nm |
| Optical power / pulse energy | 1-2 W | 1~40 mW | 1~50 mW |
| Operating mode / pulse width | CW | CW | CW |
| Beam quality | Multimode | <1.5 | <1.1 |
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