World's First 3 Generation-Compatible HD DVD Drive

Discussion in 'Amateur Video Production' started by astro, Dec 20, 2004.

  1. astro

    astro Guest

    This is cool? When will we get the world's first HDVD Burner?

    Realization of three-wavelength-compatible optical head.
    - This compatible head technology was developed by using three lasers
    the blue, red and infrared laser diodes ("LD"), as the light source
    thus enabling optimal reading of each disc through the optical hea
    using a single objective lens.
    - Correction of the difference in substrate thickness and wavelength
    which causes spherical aberration, was corrected by changing th
    magnification of the objective lens. Control of the numerical apertur
    of the objective lens corresponding to each disc format is enabled b
    an aperture control element that features wavelength selectivity, whic
    realizes stable reading.
    astro, Dec 20, 2004
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