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Title:
REFRACTIVE INDEX PROFILE TYPE ROD LENS UNIT AND MICRO− CHEMICAL SYSTEM PROVIDED WITH THE UNIT
Document Type and Number:
WIPO Patent Application WO/2003/007027
Kind Code:
A1
Abstract:
A refractive index profile type rod lens unit having a desired chromatic aberration, and comprising two refractive index profile type rod lenses (11, 12) that have different chromatic aberrations and respective lengths adjusted, and are disposed in series with their optical axes aligned, wherein the chromatic aberration of the refractive index profile type rod lens unit can be set within a range of chromatic aberrations respectively specific to the rod lenses (11, 12).

Inventors:
YAMAGUCHI JUN (JP)
HATTORI AKIHIKO (JP)
KITAMORI TAKEHIKO (JP)
Application Number:
PCT/JP2002/006843
Publication Date:
January 23, 2003
Filing Date:
July 05, 2002
Export Citation:
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Assignee:
NIPPON SHEET GLASS CO LTD (JP)
YAMAGUCHI JUN (JP)
HATTORI AKIHIKO (JP)
KITAMORI TAKEHIKO (JP)
International Classes:
G01N25/16; G01N21/41; G01N27/447; G01N37/00; G02B3/00; G02B6/028; (IPC1-7): G02B3/00
Domestic Patent References:
WO2002040981A12002-05-23
Foreign References:
JPS63124011A1988-05-27
JP2001059829A2001-03-06
US20010003724A12001-06-14
JPH06171974A1994-06-21
Other References:
See also references of EP 1418449A4
Attorney, Agent or Firm:
Watanabe, Toshihiko (8th Floor 17-1, Toranomon 1-chom, Minato-ku Tokyo, JP)
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