Optics: measuring and testing – Standard
Reexamination Certificate
2007-06-05
2007-06-05
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
Standard
C600S310000, C600S331000
Reexamination Certificate
active
11152936
ABSTRACT:
An optical measurement device calibration tool includes an optical probe suitable for calibrating various optical imaging devices, for example, low coherence reflectometers and optical coherence tomography devices. In a preferred embodiment the calibration tool comprises a container containing a calibration substance with stable optical scattering and absorption properties. The calibration substance includes a gel, paste or grease substance and is covered a protective seal, which is at least partially transparent providing optical contact between the optical probe and the calibration substance. The protective seal is covered with a viscous complementary material. Another protective seal made at least partially removable is placed above the viscous complementary material and may serve as a cover for the container. The calibration tool maintains the advantages of calibration tools using liquids and solid states as calibration substance and is more cost-effective and more convenient for calibrating optical measuring devices such as in medical applications.
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International Search Report for International Application No. PCT/US05/21210, International Filing Date: Jun. 15, 2005.
Breedlove J. Lloyd
Feldchtein Felix I.
Harrington Stephanie A. S.
Imalux Corporation
Toatley , Jr. Gregory J.
Ton Tri
Tucker Ellis & West LLP
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