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versaScan OPO Series


  • 355 nm and 532 nm pump models
  • Wide wavelength coverage from 410 nm to 2.63 µm
  • Linewidths of 10–500 cm-1 with broadband option
  • Linewidths of 2–6 cm-1 with mid-band option

Scan Series Nanosecond OPO Family

The Spectra-Physics® Scan series OPO family is German engineered by our partner firm GWU to offer superior performance in a compact, rugged package. With three series to choose from—the entry-level basiScan, versatile versaScan and premier premiScan—the Scan series will meet a wide range of budgets and requirements.

The Scan series OPOs offer the lowest pump thresholds on the market making them the most efficient and robust OPOs available. Lower pump fluences result in longer lifetimes for the internal components, especially the BBO crystal. And, the BBO crystals are coated with a special “p-coating”— a layer that protects the crystal surface from degradation due to environmental effects. No sealed housing unit is required, greatly reducing cost and extra optics in the OPO beam path. The simple cavity design requires very little maintenance. Because the Scan series is so simple to operate, training at installation is typically sufficient for customers with no laser experience to operate and maintain the Scan series OPOs.

versaScan OPO Series – Versatile nanosecond OPOs

The versaScan OPO series offers the greatest versatility with a wide range of options including broadband (BB), high energy broadband (HE), midband (MB), and midband ultra low divergence (MB-ULD). One model can be changed into another model via a crystal or optics change depending on configuration. Other options include motor driven automation with ScanMaster 3.2 software, built-in separation optics to separate signal from idler, and an external lambdaScan wavemeter. Pump energies as high as 650 mJ at 355 nm can be used allowing the OPO to be pumped by the Quanta-Ray Lab and Pro Nd:YAG lasers.

The versaScan L-532 green pumped OPO has nearly all the same features as the 355 nm pump models. The versaScan L-532 family has pump energies as high as 800 mJ at 532 nm and has BB, BB/HE and MB models available. The versaScan L-532 OPO produces high energy at the hemoglobin oxygenation differentiation region within the water window, making it an ideal source for photoacoustic imaging.