Optical: systems and elements – Deflection using a moving element
Patent
1991-05-13
1993-05-11
Arnold, Bruce Y.
Optical: systems and elements
Deflection using a moving element
359216, 25022731, 250235, G02B 2608, H01J 516
Patent
active
052106349
ABSTRACT:
A light beam emitted from a light source such as a semiconductor laser, is irradiated onto a recording section such as a photosensitive drum, through a scanning section composed of a rotary polygonal mirror. In a predetermined position in a plane formed by the scanning light beam, a columnar fluorescent optical fiber is arranged perpendicular to this plane, containing fluorescent substances therein. The fluorescent substances generate fluorescent light when the light beam is incident onto these fluorescent substances which is received by the photodetector arranged on the end face of the fluorescent optical fiber. As a result, even when a reflecting face of the rotary polygonal mirror is inclined irregularly, the light beam is incident to the fluorescent optical fiber so that it is not necessary to adjust the position of the fluorescent optical fiber.
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Arnold Bruce Y.
Asahi Kogaku Kogyo K.K.
Nguyen Thong
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