公开(公告)号：US11852549B2

公开(公告)日：2023-12-26

申请号：US17676450

申请日：2022-02-21

Applicant: CORNING INCORPORATED

Inventor： Ryan Claude Andrews ,  David Matthew Berg ,  Pierre Michel Bouzi ,  William John Furnas ,  Jacob Immerman ,  Jeremiah Robert Jacobson ,  Katherine Anne Lindberg ,  Glenn Abram Newcomer ,  Evan Lewis Olson ,  Viktor Stepanov ,  Nathaniel David Wetmore

IPC: G02B5/30 ,  G01L1/24 ,  G02B5/04 ,  G01N21/21 ,  G01N21/47 ,  G01N21/41

CPC classification number: G01L1/24 ,  G02B5/04 ,  G02B5/3016 ,  G01N21/21 ,  G01N2021/4153 ,  G01N2021/4792

Abstract: The hybrid measurement system includes an evanescent prism coupling spectroscopy (EPCS) sub-system and a light-scattering polarimetry (LSP) sub-system. The EPCS sub-system includes an EPCS light source system optically coupled to an EPCS detector system through an EPCS coupling prism. The LSP sub-system includes an LSP light source optically coupled to an optical compensator, which in turn is optically coupled to a LSP detector system via a LSP coupling prism. A support structure supports the EPCS and LSP coupling prisms to define a coupling prism assembly, which supports the two prisms at a measurement location. Stress measurements made using the EPCS and LSP sub-systems are combined to fully characterize the stress properties of a transparent chemically strengthened substrate. Methods of processing the EPCS and LSP measurements and enhanced configurations of the EPCS and LPS sub-systems to improve measurement accuracy are also disclosed.

公开(公告)号：US20210302632A1

公开(公告)日：2021-09-30

申请号：US17206792

申请日：2021-03-19

Applicant: CORNING INCORPORATED

Inventor： David Matthew Berg

IPC: G02B5/20 ,  G02B7/00 ,  G02B5/04

Abstract: The focus-corrected optical filter apparatus includes multiple optical filter assemblies supported by a movable support member. Each optical filter assembly includes an optical filter and a corrector that form a filter-corrector pair that move together with the support member. Each corrector is formed to compensate for the adverse effects of chromatic aberration of a focusing lens at the given wavelength of the corresponding optical filter in the filter-corrector pair. Example correctors are flat glass plates with different thicknesses. The focus-corrected optical filter apparatus is arranged so that the different optical filter assemblies can be sequentially inserted into the optical path of a focused multi-wavelength light beam to sequentially form substantially monochromatic focused light beams having the different wavelengths but have the same focus position.

公开(公告)号：US20250085177A1

公开(公告)日：2025-03-13

申请号：US18825641

申请日：2024-09-05

Applicant: CORNING INCORPORATED

Inventor： Ryan Claude Andrews ,  David Matthew Berg ,  Pierre Michel Bouzi ,  William John Furnas ,  Jacob Immerman ,  Jeremiah Robert Jacobson ,  Katherine Anne Lindberg ,  Andrew Allen Lindstrand ,  Glenn Abram Newcomer ,  Evan Lewis Olson ,  Babak Robert Raj ,  Nathaniel David Wetmore

IPC: G01L1/24 ,  G01J3/14 ,  G01J4/02 ,  G01N21/21 ,  G01N21/47

Abstract: Apparatus includes a sample holder with a cavity and a plurality of devices configured to hold a curvature of a curved substrate in a fixed configuration. Apparatus includes two prisms with a viewing apparatus of the sample holder configured to translate therebetween. Methods can include disposing the curved substrate in the sample holder, transmitting a first beam, translating the sample holder, and transmitting a second beam. Alternatively, apparatus include a light scattering-polarimetry sub-system configured to emit a first beam to impinge an end surface of coupling prism and detect at least a portion of the first beam impinging the first surface of the coupling prism. The apparatus includes an evanescent prism coupling spectroscopy sub-system configured to emit a second beam to impinge a first surface of the coupling system and detect at least a portion of the second beam impinging the second surface of the coupling prism.

公开(公告)号：US20240175812A1

公开(公告)日：2024-05-30

申请号：US18520807

申请日：2023-11-28

Applicant: CORNING INCORPORATED

Inventor： Ryan Claude Andrews ,  David Matthew Berg ,  Pierre Michel Bouzi ,  William John Furnas ,  Christopher David Gee ,  Jacob Immerman ,  Andrew Allen Lindstrand ,  Glenn Abram Newcomer ,  Evan Lewis Olson ,  Melbourne Thompson Turnbull, IV ,  Nathaniel David Wetmore

IPC: G01N21/47 ,  G01N21/17 ,  G01N21/25

CPC classification number: G01N21/47 ,  G01N21/255 ,  G01N2021/1734 ,  G01N2021/1765 ,  G01N2021/4792 ,  G01N2201/06113 ,  G01N2201/0634 ,  G01N2201/0668 ,  G01N2201/125

Abstract: A scattered light polarimetry (LSP) sub-system of a hybrid system for characterizing stress in a chemically-strengthened (CS) substrate having a top-surface and a near-surface waveguide, includes a LSP light source system, an LSP light source actuator coupled to the LSP light source system, and an optical compensator within an optical path of a LSP laser beam emitted by the LSP light source system. The optical compensator includes a half-wave plate, a half-wave plate actuator, a diffuser, and a diffuser actuator. The LSP sub-system further includes a LSP detector system in optical communication with the optical compensator through an LSP coupling prism having a LSP coupling surface, a focusing lens and a focusing lens actuator, and a support plenum having a surface and a measurement aperture, the support plenum configured to support the CS substrate at a measurement plane at the measurement aperture, and to operably support the LSP coupling prism.

公开(公告)号：US20220276106A1

公开(公告)日：2022-09-01

申请号：US17676450

申请日：2022-02-21

Applicant: CORNING INCORPORATED

Inventor： Ryan Claude Andrews ,  David Matthew Berg ,  Pierre Michel Bouzi ,  William John Furnas ,  Jacob Immerman ,  Jeremiah Robert Jacobson ,  Katherine Anne Lindberg ,  Glenn Abram Newcomer ,  Evan Lewis Olson ,  Viktor Stepanov ,  Nathaniel David Wetmore

IPC: G01L1/24 ,  G02B5/04 ,  G02B5/30

Abstract: The hybrid measurement system includes an evanescent prism coupling spectroscopy (EPCS) sub-system and a light-scattering polarimetry (LSP) sub-system. The EPCS sub-system includes an EPCS light source system optically coupled to an EPCS detector system through an EPCS coupling prism. The LSP sub-system includes an LSP light source optically coupled to an optical compensator, which in turn is optically coupled to a LSP detector system via a LSP coupling prism. A support structure supports the EPCS and LSP coupling prisms to define a coupling prism assembly, which supports the two prisms at a measurement location. Stress measurements made using the EPCS and LSP sub-systems are combined to fully characterize the stress properties of a transparent chemically strengthened substrate. Methods of processing the EPCS and LSP measurements and enhanced configurations of the EPCS and LPS sub-systems to improve measurement accuracy are also disclosed.