Title:
照明装置、及びそれを備えた顕微鏡
Document Type and Number:
Japanese Patent JP5371531
Kind Code:
B2
Abstract:
An illumination apparatus includes a light source and a collimator optical system converting light emitted from the light source to approximately-parallel light. The collimator optical system includes, in an order of proximity to the light source, a first lens having a positive power and including an approximately-flat surface and an aspheric surface, and a second lens having a positive power.
Inventors:
Toi Masato
Kenji Kawasaki
Kenji Kawasaki
Application Number:
JP2009104243A
Publication Date:
December 18, 2013
Filing Date:
April 22, 2009
Export Citation:
Assignee:
Olympus Endo Technology America Inc.
International Classes:
G02B13/00; G02B19/00; G02B21/00; G02B27/00
Domestic Patent References:
| JP2005208571A | ||||
| JP2000131615A | ||||
| JP5181058A | ||||
| JP2002365555A | ||||
| JP2000010012A | ||||
| JP2001083462A | ||||
| JP2000009994A | ||||
| JP61273520A | ||||
| JP58014109A |
Attorney, Agent or Firm:
Yoshiyuki Osuga