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Lasers in solar cell production

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A new laser tool improves solar cell manufacturing output and lowers dollar per watt costs.

Dave Clark, Newport Corp./Spectra-Physics

Photovoltaic (PV) solar cells have been around for more than 50 years now, enjoying initial commercial success in familiar applications such as powering satellites in space and, later on, digital calculators and other portable devices. Since the early days, scientists have dreamed of the widespread deployment of photovoltaic cells on rooftops, in deserts and in fields to harness the power of the sun and produce “endless” amounts of cheap, clean electricity. Unfortunately, significant challenges have made progress disappointingly slow. The “holy grail” for the PV scientist is to produce...Read full article

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    Published: October 2009
    Glossary
    power
    With respect to a lens, the reciprocal of its focal length. The term power, as applied to a telescope or microscope, often is used as an abbreviation for magnifying power.
    ultraviolet
    That invisible region of the spectrum just beyond the violet end of the visible region. Wavelengths range from 1 to 400 nm.
    Anne FischerAustraliaBP-Solar Saturn cellClarkcrystalline-silicon solar cellsDave ClarkenergyFeaturesgreen lasersindustrialinfrared laserslaser doping of selective emitterslaser grooved buried contact solar cellLDSELGBCmanufacturingMartin GreeneMillenia Primemono-crystalline cellsmulti-crystalline cellsNewport CorporationphotovoltaicspowerPVQ-switched lasersscreen printingscreen-printed silicon solar cellsshading lossesSiNxsolar cell manufacturingsolar cellsSpectra-PhysicsultravioletUniversity of New South WalesUNSWUVUV opticsLasers

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