ZFA-V-637 – Diode Laser at 637 nm
The ZFA-V-637 long coherent length diode laser at 637 nm is a high-performance continuous-wave (CW) laser source engineered for precision optical measurements, advanced scientific research, and industrial integration. Featuring a coherent length exceeding 1 meter and output power up to 80 mW, this laser delivers exceptional coherence, stability, and beam quality for demanding applications. This laser is particularly suitable for applications requiring higher optical power combined with long coherence length, such as high-resolution interferometry, laser radar, and precision metrology.
Features
- Long coherent length exceeding 1 meter for interferometry and holography
- High output power up to 80 mW for demanding optical applications
- Stable wavelength at 637 nm ±5 nm
- Near TEM00 mode for superior Gaussian beam quality
- Excellent beam quality with M² factor <1.5
- High power stability down to <1% RMS over 4 hours
- Low beam divergence (<1.5 mrad) for precision optical alignment
- High polarization ratio >50:1 (optional >100:1)
- Fast warm-up time (<5 minutes)
- Long operational lifetime up to 10,000 hours
- Compact and robust design for laboratory and OEM integration
Applications
- Raman spectroscopy
- Optical interferometry
- Holography and interferometric imaging
- Fluorescence excitation and microscopy
- Flow cytometry and biomedical instrumentation
- DNA sequencing systems
- Laser radar and optical sensing
- Optical metrology and precision measurement
Specifications
| Parameter | Specification |
|---|---|
| Model | ZFA-V-637 |
| Central wavelength | 637 ± 5 nm |
| Operating mode | Continuous Wave (CW) |
| Output power | >1 mW up to 80 mW |
| Power stability (RMS, 4 hours) | <3%, <2%, <1% |
| Transverse mode | Near TEM00 |
| Coherent length | >1 meter |
| Beam quality (M² factor) | <1.5 |
| Beam diameter at aperture | ~2.0 mm |
| Beam divergence (full angle) | <1.5 mrad |
| Polarization ratio | >50:1 (>100:1 optional) |
| Polarization orientation | Horizontal ±5° (Vertical optional) |
| Warm-up time | <5 minutes |
| Beam height from base plate | 30 mm |
| Operating temperature | 20 °C to 30 °C |
| Power supply | QDI-S-F (100-240 VAC) |
| Expected lifetime | 10,000 hours |
| Warranty | 1 year |
Download
Download data sheet
