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FQD‑355‑W – Laser DPSS Q‑Switched 355 nm

The FQD-355-W is a high-energy, diode-pumped, all-solid-state Q-switched UV laser operating at 355 nm, designed for demanding scientific and industrial applications. Based on electro-optic modulation (EOM) Q-switching technology, this laser delivers high single-pulse energy, short pulse duration (<10 ns), and high peak power, ensuring excellent performance, stability, and beam quality. Its compact, solid-state architecture ensures reliable operation with minimal maintenance, making it a versatile solution for both laboratory and industrial environments.

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Features
  • High-energy 355 nm UV output
  • All-solid-state, diode-pumped laser architecture
  • Electro-optic (EOM) Q-switching for precise pulse control
  • Short pulse duration (<10 ns) with high peak power
  • Adjustable repetition rate from 1 to 100 Hz
  • Excellent pulse-to-pulse energy stability
  • Compact, robust, and reliable design
  • Water-cooled for stable long-term operation
  • Long expected lifetime of up to 10⁹ pulses
Applications
  • LIBS (Laser-Induced Breakdown Spectroscopy)
  • LIF (Laser-Induced Fluorescence)
  • PIV (Particle Image Velocimetry)
  • ICP-MS laser ablation
  • LCD and display repair
  • Scientific and academic research
  • Precision laser processing
  • Plasma diagnostics and spectroscopy
Specifications
Parameter Specification
Wavelength 355 ± 1 nm
Operating Mode Q-switched (EOM – Electro-Optic Modulation)
Single Pulse Energy 2 mJ / 5 mJ / 10 mJ
Pulse Duration < 10 ns
Repetition Rate 1–100 Hz (adjustable)
Energy Stability < 5%, < 4%
Beam Divergence (full angle) < 3 mrad
Beam Diameter ~2 mm / ~2.5 mm / ~3 mm
Warm-up Time < 15 minutes
Beam Height from Base Plate 55 mm
Cooling Method Water-cooled
Operating Temperature 15–30 °C
Power Supply (220 VAC) QDI-FQD-W-O
Expected Lifetime 10⁹ pulses
Warranty 1 year