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2005-10-20 17:11 |
[原創(chuàng)]Optical system including molded optical element and method of manufacturing the
Optical system including molded optical element and method of manufacturing the optical system jj2UUQ|
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Abstract qr 9 F
An optical system that includes a molded optical element having a non-uniform refractive index distribution due to molding and a method of manufacturing the optical system is disclosed. Data of the non-uniformity of the refractive index distribution associated with molding of the molded optical element is acquired and used in order to determine the form of an aspheric surface of the molded optical element for correcting aberrations caused by the non-uniformity of the refractive index distribution. This data may be acquired by measuring the refractive index distribution of an optical element molded based on initial design values that are based on assuming uniformity in the refractive index distribution of the molded optical element or it may be computed based on the form of the molded optical element. The optical element may include a concave optical surface and may be a lens element that includes an aspheric surface.
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Inventors: Tanaka, Takashi; (Kawagoe City, JP) ; Fujita, Hiroaki; (Kawaguchi City, JP) v(O.GhJ@
Correspondence Name and Address: ARNOLD INTERNATIONAL p3 o?_ !Z
P. O. BOX 129 I'C , '
GREAT FALLS wW4S@m
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22066-0129 M=A9a x
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Assignee Name and Adress: FUJINON CORPORATION 3@L%#]xwi
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Serial No.: 058367 (% P=#vZ
Series Code: 11 d#A jb
Filed: February 16, 2005 /(aX>_7jg
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U.S. Current Class: 65/29.11; 65/DIG.13 o{p_s0IX;S
U.S. Class at Publication: 065/029.11; 065/DIG.013 B(LV22#
Intern'l Class: C03B 011/16 YP,PJnJU8
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Foreign Application Data 3)a29uc:U
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Date Code Application Number 8B/9{8
Mar 29, 2004 JP 2004-095269 m5N&7qgp
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