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ZFA-V-442 – Diode Laser at 442 nm
The ZFA-V-442 is a high-stability 442 nm CW diode laser engineered for applications requiring long coherence length and precise wavelength control. With a narrow wavelength tolerance of 442 ±0.5 nm and a coherence length exceeding 1 meter, this laser source is ideal for interferometric measurements, holography, and precision optical systems. This blue 442 nm diode laser is widely used in fluorescence excitation, Raman spectroscopy, flow cytometry, LIDAR systems, and precision measurement applications.
Features
- 442 ±0.5 nm stabilized blue wavelength
- Long coherence length >1 m
- Continuous Wave (CW) operation
- Output power options up to 30 mW
- Excellent power stability (<1% RMS available)
- High polarization ratio (>50:1, optional >100:1)
- Low divergence elliptical beam profile
Applications
- Holography
- Interferometry
- Fluorescence analysis
- Photolithography
- Flow cytometry
- DNA sequencing
- Raman spectroscopy
- Laser radar (LIDAR)
- Precision metrology
Specifications
| Parameter | Specification |
|---|---|
| Central Wavelength | 442 ±0.5 nm |
| Operating Mode | Continuous Wave (CW) |
| Output Power Options | >1 mW, 2 mW, 3 mW … up to 30 mW |
| Power Stability (RMS, 4 hrs) | <1%, <2%, <3% |
| Transverse Mode | Multimode |
| Coherence Length | >1 m |
| Beam Diameter at Aperture (1/e²) | ~2.5 × 1.0 mm |
| Beam Divergence (Full Angle) | ~0.5 × 4.0 mrad |
| Polarization Ratio | >50:1 (>100:1 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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