公开(公告)号：JPH11132941A

公开(公告)日：1999-05-21

申请号：JP22972198

申请日：1998-08-14

Applicant: BIO RAD LABORATORIES

Inventor： BURKA E MICHAEL ,  CURBELO RAUL

IPC: G01N21/27 ,  G01J3/28 ,  G01J3/42 ,  G01N21/55

Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and a method, for image-generating attenuation reflection (ATR) spectroscopy, in which the higher speed and the more excellent spatial resolution of the spectroscopy are obtained as compared with a system which acquires data in the same quantity by using a method and an apparatus, for image-nongenerating ATR spectroscopy, in conventional cases. SOLUTION: In an apparatus, a light source 22 is contained, an interferometer 22 which is coupled to a light source generating the spectrum multiple incident beam of light is contained, an internal reflecting element(IRE) 10 containing a contact region 20 which is coupled to a sample 18 being inspected is contained, a focal-plane array detector 32 is contained, a first optical system 26 which is situated so as to be focused toward the contact region 20 via the rear face of the IRE 10 in such a way that the angle of incidence of the incident beam on the front face becomes the critical angle or higher of the IRE 10 is ocontained, and a second optical system 28 which is situated in such a way that reflected light is image-formed on the focal-plane array detector 32 is contained.

公开(公告)号：GB2329977A

公开(公告)日：1999-04-07

申请号：GB9817067

申请日：1998-08-05

Applicant: BIO RAD LABORATORIES

Inventor： BURKA E MICHAEL ,  CURBELO RAUL

IPC: G01N21/27 ,  G01J3/28 ,  G01J3/42 ,  G01N21/55

Abstract: An imaging attenuated total reflection (ATR) spectrometer includes a radiation source 22, an interferometer coupled to the radiation source which produces a spectrally-multiplexed input beam of radiation, an internal reflection element (IRE) 10 engaging a sample-under-test, a focal plane array detector 32, a first optical system 26 adapted and positioned to direct and concentrate the input beam through the rear surface of the IRE towards a contact area of the sample such that an angle of incidence of said input beam at the front surface is equal to or greater than the critical angle for the IRE, and a second optical system 28 adapted and positioned to collect reflected radiation from the contact area and image the same onto the focal plane array detector.

公开(公告)号：GB2329977B

公开(公告)日：2001-07-04

申请号：GB9817067

申请日：1998-08-05

Applicant: BIO RAD LABORATORIES

Inventor： BURKA E MICHAEL ,  CURBELO RAUL

IPC: G01N21/27 ,  G01J3/28 ,  G01J3/42 ,  G01N21/55

Abstract: Method and apparatus for providing an imaging attenuated total reflection (ATR) spectrometer which provides faster measurement speed and better spatial resolution than systems collecting an equivalent amount of data using conventional, non-imaging ATR methods and systems. Apparatus includes a radiation source, an interferometer coupled to the radiation source which produces a spectrally-multiplexed input beam of radiation, an internal reflection element (IRE) engaging a sample-under-test, a focal plane array detector, a first optical system adapted and positioned to direct and concentrate the input beam through the rear surface of the IRE towards a contact area of the sample such that an angle of incidence of said input beam at the front surface is equal to or greater than the critical angle for the IRE, and a second optical system adapted and positioned to collect reflected radiation from the contact area and image the same onto the focal plane array detector.