(19)
(11) EP 1 084 378 A1

(12)

(43) Date of publication:
21.03.2001 Bulletin 2001/12

(21) Application number: 99928339.3

(22) Date of filing: 26.05.1999
(51) International Patent Classification (IPC)7: G01B 9/02
(86) International application number:
PCT/US9911/601
(87) International publication number:
WO 9963/300 (09.12.1999 Gazette 1999/49)
(84) Designated Contracting States:
CH DE FR GB LI NL SE

(30) Priority: 02.06.1998 US 89105
18.03.1999 US 125057 P

(71) Applicant: Zetetic Institute
Tucson, AZ 85719 (US)

(72) Inventor:
  • HILL, Henry, A.
    Tucson, AZ 85716 (US)

(74) Representative: Hartz, Nikolai F., Dr. 
Wächtershäuser & Hartz,Patentanwälte,Tal 29
80331 München
80331 München (DE)

   


(54) METHODS AND APPARATUS FOR CONFOCAL INTERFERENCE MICROSCOPY USING WAVENUMBER DOMAIN REFLECTOMETRY AND BACKGROUND AMPLITUDE REDUCTION AND COMPENSATION