Laser Yag – Tag – Spectra Physics
Model – Quanta Ray Lab 150

Power supply
Man – Spectra Physics
Model – PS101

Used / Condition unknown / Untested / Sold as is / Could be used for parts / Specs based off model search / What is pictured is what’s available

The Spectra Physics Quanta Ray Lab 150 is a bench-top, high-pulse-energy, Q-switched Nd:YAG laser system designed for research and industrial applications. Here’s what it does:
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Key Functionality & Features
• Gain medium & wavelengths: Nd:YAG crystal producing outputs at 1064 nm fundamental, with optional 532 nm, 355 nm, and 266 nm harmonics through internal harmonic generation

• Pulse energy & repetition rates (Lab 150 model):
At 10 Hz: 650 mJ/pulse (1064 nm), 300 mJ (532 nm)
At 30 Hz: 500 mJ/pulse (1064 nm), 200 mJ (532 nm)
At 50 Hz: 300 mJ/pulse (1064 nm), 100 mJ (532 nm)
• Pulse duration:
~10 ns at 1064 nm
~8 ns at 532 nm
• Beam quality:
Beam waist <10 mm
Divergence <0.5 mrad
Polarization ~95%
Spatial mode profile ~70% Gaussian fit
• Class IV laser: High-power pulsed laser requiring OD 7+ protective goggles
________________________________________ Applications
The Lab-series lasers are used widely for:
• Pumping dye lasers, Ti:Sapphire lasers, optical parametric devices (OPA/OPO)
• LIDAR and remote sensing
• Laser-induced breakdown spectroscopy (LIBS)
• Laser-induced fluorescence
• Coherent anti-Stokes Raman scattering (CARS)
• Flow visualization
• Microfabrication: marking, cleaning, ablation of ceramics or plastics
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System Components
• Comprises:
Laser head (oscillator + amplifier),
Power supply,
Table-top controller (with RS 232 interface),
Optional heat exchanger
• Advanced features include sealed beam paths (nitrogen-purged), dual-rod oscillators, gold elliptical pump chambers, Sol-Gel-coated Pockels cells, digital DSP electronics with GUI integration
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Use Cases & Advantages
• Delivers high-energy, nanosecond pulses ideal for precise time-resolved experiments.
• Robust and reliable: sealed optics for longevity, high-quality coatings, stable pointing (<50 µrad over 8 hr)
• Suitable for both standalone informational experiments and as a pump source for secondary lasers.
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In essence:
The Lab 150 is a versatile, high-energy Nd:YAG pulsed laser capable of delivering intense, nanosecond pulses across multiple harmonics. It serves as both a direct light source for diagnostics and ablation, and as a pump for other laser systems in research, industrial, and scientific environments.

The Spectra-Physics Model PS101 is a high-voltage pulsed power supply, typically used to drive the flashlamps and Q-switch controllers in the Quanta Ray family of Q switched Nd:YAG lasers (such as the Lab-150, GCR, Pro series, and related models).