Power stability, linewidth, beam quality
PGL-LF-639639 nm red CW laser
639 nmThe PGL-LF-639 is a 639 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
PGL-LF-639
10 specification rows
| Wavelength | 639 nm |
|---|---|
| Output / average power | 1~130 mW |
| Beam / notes | OEM Red Laser |
| Beam divergence (mrad) | <1.5 |
| Laser operation mode | CW |
| Modulation optional | TTL 30kHz or analog (0-3V or 0-5V) |
| Connection | Cable with flying leads |
| Operating temperature (°C) | -10°C to +45°C |
| Storage temperature (°C) | -20°C to +80°C |
| Humidity (%) | < 90 %, non-condensing |
| Weight (g) | 45g |
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Model selection
Nearby series comparison
Compare PGL-LF-639 with the closest available models in the CW Lasers family.
| Selection parameter | PGL-LF-639 (current) | MSL-FN-639 | MSL-R-639 |
|---|---|---|---|
| Wavelength | 639 nm | 639 nm | 639 nm |
| Optical power / pulse energy | 1~130 mW | 1~650 mW | 650~3000 mW |
| Beam quality | <1.5 | <1.2,<1.1 | <1.3 |
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