Resources Contact Us Home
Method of processing an optical element using an interferometer having an aspherical lens that transforms a first spherical beam type into a second spherical beam type

Image Number 3 for United States Patent #7342667.

A method of processing an optical element having a spherical surface comprises providing a first interferometer apparatus having an interferometer optics with an aspherical lens for transforming a beam of a first spherical beam type into a beam of a second spherical beam type, arranging the optical element in a beam path of an incident beam provided by the interferometer optics, interferometrically taking a first measurement of the optical element, and determining first deviations of the spherical surface. The method further comprises arranging the aspherical lens in a beam path of a measuring beam provided by a beam source of a second interferometer apparatus, wherein the measuring beam is one of the first spherical type and the second spherical type, interferometrically taking a second measurement using the measuring beam, and determining second deviations of an aspherical surface of the aspherical lens.

  Recently Added Patents
Sulfonated amorphous carbon, process for producing the same and use thereof
Lighting fixture
Lifting apparatus
Cascode circuit device with improved reverse recovery characteristic
Data distribution unit for vehicle entertainment system
High performance strained source-drain structure and method of fabricating the same
Soybean variety XB51J12
  Randomly Featured Patents
Volleyball training system
Steering mechanism for scale model vehicles
Property security system and method therefor
Synchronous information reproduction apparatus
Removable load transfer device
Remote jack pack
Method and apparatus for external fixation of the pelvis
Code division multiple access (CDMA) automatic call simulator
Fiber optic sensor lead fiber noise cancellation
Calcium-silicate based slag for treatment of molten silicon