The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 1998
Filed:
Jun. 24, 1997
Michael Bray, Olivet, FR;
Compagnie Industrielle Des Lasers Cilas, Paris, FR;
Le Commissariat A L'Energie Atomique, Paris, FR;
Abstract
The present invention relates to a device for determining the shape of the wave surface transmitted by a substantially parallel-faced transparent component (P), which includes a support (S) for the component (P), an interferometer (I), means for moving the support (S), and a control unit which determines, from the measurements by the interferometer (I), the shape of said wave surface. According to the invention, the support (S) is made in such a way as to let the light beam (FM) emitted by the interferometer (I) and transmitted by the component (P), which is transparent, pass through it, and said device includes a swivelling mirror (M1) arranged approximately orthogonally to the beam (FM) transmitted by the component and oriented in such a way as to send said beam (FM) back in the emission direction (D1).