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METHOD AND APPARATUS FOR ILLUMINATING AN OBJECT FIELD IMAGED BY A RECTANGULAR IMAGE SENSOR
专利权人:
发明人:
Randal B. Chinnock,William L. Weber
申请号:
US15754566
公开号:
US20180249901A1
申请日:
2016.08.23
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An illuminator apparatus and method for illuminating an object field imaged by a rectangular image sensor having a first aspect ratio is disclosed. The apparatus includes an optical fiber having a proximal end disposed to receive a plurality of input light beams, each light beam having differing spectral properties, the optical fiber being operable to transmit the light beams along the fiber to a distal end of the optical fiber. The apparatus also includes an integrating element disposed to receive the light beams from the distal end of the fiber and combine the light beams to produce a generally homogenous illumination beam at a rectangular output face of the integrating element. The apparatus further includes an illumination projector operable to project an image of the output face of the integrating element into the object field to produce a generally rectangular illuminated region of the object field substantially corresponding to the portion of the object field imaged by the rectangular image sensor.
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