ZFA-R-940 Narrow Linewidth Diode Laser at 940 nm
The ZFA-R-940 narrow linewidth diode laser at 940 nm delivers stable wavelength emission, excellent beam quality, and reliable CW operation. Featuring spectral linewidth down to <0.03 nm (optional), output power up to 30 mW, and near TEM00 beam profile, this laser is ideal for high-resolution spectroscopy, optical metrology, sensing, and precision scientific instrumentation.
Features
- Narrow spectral linewidth <0.06 nm (<0.03 nm optional)
- Stable emission wavelength at 940 ± 5 nm
- Continuous Wave (CW) operation for stable optical performance
- Output power selectable from 1 mW to 30 mW
- Near TEM00 mode with excellent beam quality (M² <1.5)
- Low beam divergence <1.0 mrad for precise optical alignment
- Long lifetime up to 10,000 hours with high reliability
Applications
- High-resolution spectroscopy
- Optical metrology and interferometry
- Optical sensing and measurement systems
- Scientific research and laboratory instrumentation
- Photonics and semiconductor characterization
- Laser system integration
- Precision optical testing
Specifications
| Parameter | Specification |
|---|---|
| Model | ZFA-R-940 |
| Laser Type | Narrow linewidth diode laser |
| Central Wavelength | 940 ± 5 nm |
| Operating Mode | Continuous Wave (CW) |
| Output Power | >1, 2, 3, …, 30 mW |
| Spectral Linewidth | <0.06 nm (<0.03 nm optional) |
| Power Stability (RMS, 4h) | <3%, <2%, <1% |
| Transverse Mode | Near TEM00 |
| Beam Quality Factor (M²) | <1.5 |
| Beam Diameter at Aperture (1/e²) | ~3.5 mm |
| Beam Divergence (Full Angle) | <1.0 mrad |
| Polarization Ratio | >10:1 (>50:1 optional) |
| Polarization Direction | Horizontal ±5° (Vertical optional) |
| Warm-up Time | <5 minutes |
| Beam Height from Base Plate | 30 mm |
| Operating Temperature | 20 – 30 °C |
| Power Supply | QDI-S-F (100–240 VAC) |
| Expected Lifetime | 10,000 hours |
| Warranty | 1 year |
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