DescriptionSpecifications
Models
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Delivering ultra-low noise, near diffraction limited TEM00 output in a rugged industrial platform, the Vanguard™ UV laser is intended for OEM industrial applications. Pulse repetition rates are 80 MHz with 13 ps pulse width, and these quasi-CW lasers offer a superior solid state alternative to replace CW gas lasers.
The Vanguard UV laser is a frequency-tripled Nd:YVO4 laser, designed to bring solid-state reliability and low cost of ownership to applications currently using water-cooled ultraviolet ion lasers. The Vanguard solid state UV laser system also meets the vibration, and rugged handling requirements of industrial applications. |
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Applications |
Semiconductor metrology- Semiconductor wafer inspection
- Materials processing
- Medical diagnostics
- Direct to plate printing
- Image recording
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Specifications
| Output Characteristics | Vanguard 2.5 W | Vanguard 350 mW |
| Wavelength | 355 nm | 355 nm |
| Power | 2500 mW | 350 mW |
| Repetition Rate | 80 MHz (±2 MHz) | 80 MHz (±2 MHz) |
| Spatial Mode | TEM00 | TEM00 |
| M2 | <1.3
| <1.3 |
| Far Field Divergence, full angle | <1 mrad | <1 mrad |
| Beam Diameter (1/e²) | 1.0 mm nominal | 1.0 mm nominal |
| Beam Pointing Stability | <25 µrad/°C | <25 µrads/°C |
| Beam Ellipticity | <20% far field | <20% far field |
| Average Power Stability | <2% | <2% |
| Amplitude Noise | <1% rms, 10 Hz to 2 MHz | <1% rms, 10 Hz–2 MHz |
| Polarization Ratio | >100:1 vertical | >100:1 vertical |
| Cold Turn-on Time (AC off to full power) | <30 min | <30 min |
| Cold Turn-on Time (AC off to full specs) | <1 hr | <1 hr |
| Temperature Range | 21–25°C mean; <±2.5°C variation from mean (chiller required) | 20–27°C |