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PI Physik Instrumente - Revolution In Photonics Align ROSLB 3/24

Compact Solid-State Source Generates 600 mW at 488 nm

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Frequency-doubled diode MOPA could supplant gas lasers.

Breck Hitz

In the decades since the first 488nm argon-ion laser was marketed by Spectra-Physics, a multibillion-dollar instrumentation market has grown around that wavelength. Flow cytometry, DNA sequencing, confocal microscopy and other analytical medical technologies are dependent on dyes whose fluorescence is excited by 488-nm light. The wavelength also is widely used in the graphics industry, in semiconductor inspection and in other applications. Figure 1. A new solid-state source challenges the argon-ion laser’s monopoly at 488 nm. But the venerable ion laser, with its fragile construction...Read full article

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    Published: May 2006
    Glossary
    wavelength
    Electromagnetic energy is transmitted in the form of a sinusoidal wave. The wavelength is the physical distance covered by one cycle of this wave; it is inversely proportional to frequency.
    confocal microscopyMicroscopyResearch & TechnologysemiconductorsTech Pulsewavelength

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