SLM, narrow linewidth, coherence
MDL-E-637637 nm red single-frequency laser
637 nmThe MDL-E-637 is a precision 637 nm CW Single-Frequency laser delivering 1~50 mW output power, with <3%, <2%, <1% power stability, <1.5 beam quality. View technical specifications, download the datasheet, and request configuration options from Precisometer.
Specifications
MDL-E-637
18 specification rows
| Output / average power | 1~50 mW |
|---|---|
| Spectral linewidth | <0.06 nm, <0.03 |
| Power stability | <3%, <2%, <1% |
| M² | <1.5 |
| Beam / notes | Beam Quality: M 2 <1. 5 |
| Operating mode | CW |
| Transverse mode | Near TEM00 |
| Warm-up time (minutes) | <5 |
| Cooled method | Conduction |
| Operating temperature (°C) | 20-30 |
| Power supply (100-240VAC) | PSU-A-D |
| Expected lifetime (hours) | >10000 |
| Central wavelength (nm) | 637±5 |
| Frequency shift (pm) (over ±2°C and 2hrs) | <20 |
| Beam diameter at the aperture (1/e2, mm) | ~2.0 |
| Beam divergence, full angle (mrad) | <1.5 |
| Polarization ratio | >50:1, (>100:1 optional) Horizontal±5 degree (Vertical optional) |
| Beam height from base plate (mm) | 30 |
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Model selection
Nearby series comparison
Compare MDL-E-637 with the closest available models in the Single-Frequency Lasers family.
| Selection parameter | MDL-E-637 (current) | Narrow Linewidth | 6 3 8 |
|---|---|---|---|
| Wavelength | 637 nm | 637 nm | 638 nm |
| Optical power / pulse energy | 1~50 mW | 1-50 mW | 1~40 mW |
| Operating mode / pulse width | CW | — | — |
| Beam quality | <1.5 | — | <1.5 |
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