Patent ID: 7327664
Filing Date: 2008-02-05
Classification: B41J

Abstract:
1. An optical recording apparatus comprising: a semiconductor laser having a blue color wavelength and generating a light beam; an optical fiber that transmits the light beam in a single mode; a laser module which guides the light beam of the semiconductor laser to the optical fiber; and an optical recording medium to which is applied an output beam from the optical fiber to form a latent image, wherein a relative refractive index difference between a core and a clad of the optical fiber is in a range of from 0.1% to 0.2%, a core diameter of the optical fiber is 4.5 μm or less and a diameter of a beam spot emitted from the optical fiber is 3 μm or more, wherein a spot of the output beam applied to the optical recording medium has a single peak circular light intensity distribution.