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SOLVED:The laser in a DVD player emits light at a wavelength of 640 nm . The laser in a Blu-Ray player emits light at 405 nm What are the photon energies of
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Ushio America - Red Laser Diodes are used from anything to reading DVDs to shape measurement to Photodynamictherapy. Ushio's HL67001DG and HL69001DG laser diodes produce a lasing wavelength of 675 nm or