ZNA-J-491 (491 nm CW Laser)
The ZNA-J Series LD Pumped All-Solid-State Laser is a compact and reliable laser platform designed for scientific and precision optical applications. The ZNA-J-491 (491 nm) model delivers stable continuous-wave (CW) output in an ultra-compact housing, making it ideal for integration into laboratory systems and OEM optical instruments. Operating at a central wavelength of 491 ±1 nm, this laser provides 1–2 mW output power with near TEM00 beam quality and M² <1.2.
Features
- Accurate 491 nm Wavelength – Central wavelength 491 ±1 nm.
- Ultra-Compact Design – 29 mm beam height for easy integration.
- High Beam Quality – Near TEM00 mode with M² <1.2.
- Low Beam Divergence – <1.5 mrad for precise alignment.
- High Polarization Ratio – >100:1 (Horizontal or Vertical optional).
- Stable CW Operation – RMS power stability <10% over 4 hours.
- Long Operational Lifetime – Up to 10,000 hours.
Applications
- Scientific experimentation
- Optical instrumentation
- Optical sensing systems
- Precision measurement
- Optical communication
- Spectrum analysis
- Laboratory integration and OEM systems
Specifications
| Parameter | ZNA-J-491 |
|---|---|
| Wavelength (nm) | 491 ±1 |
| Operating Mode | Continuous Wave (CW) |
| Output Power (mW) | 1–2 |
| Power Stability (RMS, 4h) | <10% |
| Transverse Mode | Near TEM00 |
| M² Factor | <1.2 |
| Beam Diameter (1/e², mm) | ~1.5 |
| Beam Divergence (mrad) | <1.5 |
| Polarization Ratio | >100:1 (Horizontal or Vertical optional) |
| Warm-Up Time (minutes) | <5 |
| Pointing Stability (mrad) | <0.05 |
| Beam Height from Base (mm) | 29 |
| Operating Temperature (°C) | 10–35 |
| Power Supply | 90–264 VAC (QDI-J-ARF / QDI-J-GFS / QDI-J-PRZ) |
| Modulation | Not available |
| Expected Lifetime (hours) | 10,000 |
| Warranty | 1 year |
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