Abstract: A method including placing first and second measurement devices proximate first and second aircraft doors, respectively, and determining a first position of the second measurement device relative to a second position of the first measurement device. The method includes placing first and second pluralities of reflective devices inside the aircraft proximate the first and second doors, respectively. The method includes measuring first and second distances from the first and second measurement devices to the first and second pluralities of reflective devices, respectively, and measuring second distances from the second measurement device to the second plurality of reflective devices. Based on a determined position of the second measurement device and further based on the first distances and second distances, third distances are determined between each of the first and second pluralities of reflective devices. The third distances provide a measurement baseline for points on a fuselage and wings.

Abstract: An apparatus for determining the angular error in the placement of fiducial marks on a toric intraocular lens with respect to the true location of a meridional axis of the intraocular lens, the fiducial marks defining an estimate of the angular orientation of the meridional axis of the intraocular is disclosed. The apparatus includes a rotatable intraocular lens holder coupled to drive assembly and an actuator which are mounted into an optical measurement cell receptacle of a wavefront measuring instrument or an angular error measuring instrument. A method for determining the angular error in the placement of fiducial marks on a toric intraocular lens with respect to the true location of a meridional axis of the intraocular lens is also disclosed.

Abstract: An interferometer apparatus which include two or more coupled fiber optic Michelson interferometers using fiber optic stretches which stretch two or more optical fibers wound around the perimeter of the optical fiber stretchers by the same amount is disclosed. Preferably a pair of reference and sample fiber optic stretches are utilized which run in a push-pull mode of operation. When one of the interferometers is a coherent light interferometer it can be used as a reference distance scale for all of the remaining low coherence light interferometer. A method for measuring a physical property of a device under test is also disclosed using the apparatus of the present invention.

Abstract: An apparatus for measuring the optical performance characteristics and dimensions of an optical element comprising a low coherence interferometer and a Shack-Hartmann wavefront sensor comprising a light source, a plurality of lenslets, and a sensor array is disclosed. The low coherence interferometer is configured to direct a measurement beam along a central axis of the optical element, and to measure the thickness of the center of the optical element. The light source of the Shack-Hartmann wavefront sensor is configured to emit a waveform directed parallel to and surrounding the measurement beam of the interferometer, through the plurality of lenslets, and to the sensor array. A method for measuring the optical performance characteristics and dimensions of a lens using the apparatus is also disclosed.

Abstract: A computer-implemented technique can receive, at a computing device, a uniform resource locator (URL) for a web page and an image. A number of pixels corresponding to a desired resolution for encoding the image is determined and the image is converted to a modified image having the desired resolution. The technique can then generate a two-dimensional barcode by: (i) generating first data representative of the modified image, (ii) appending the first data to either an end of the URL to obtain a first modified URL or after a terminator bit of the two-dimensional barcode, (iii) generating second data representative of the second modified URL or the URL, and (iv) generating third data representative of an error correction code (ECC) based on the first data and the second data, wherein the two-dimensional barcode is generated based on the first data, the second data, and the third data.

Abstract: A method and apparatus derive a dynamic grammar composed of a subset of a plurality of data elements that are each associated with one of a plurality of reference identifiers. The present invention generates a set of selection identifiers on the basis of a user-provided first input identifier and determines which of these selection identifiers are present in a set of pre-stored reference identifiers. The present invention creates a dynamic grammar that includes those data elements that are associated with those reference identifiers that are matched to any of the selection identifiers. Based on a user-provided second identifier and on the data elements of the dynamic grammar, the present invention selects one of the reference identifiers in the dynamic grammar.

Abstract: An apparatus for measuring the optical performance characteristics and dimensions of an optical element comprising a low coherence interferometer and a Shack-Hartmann wavefront sensor comprising a light source, a plurality of lenslets, and a sensor array is disclosed. The low coherence interferometer is configured to direct a measurement beam along a central axis of the optical element, and to measure the thickness of the center of the optical element. The light source of the Shack-Hartmann wavefront sensor is configured to emit a waveform directed parallel to and surrounding the measurement beam of the interferometer, through the plurality of lenslets, and to the sensor array. A method for measuring the optical performance characteristics and dimensions of a lens using the apparatus is also disclosed.

Abstract: An interferometer apparatus which include two or more coupled fiber optic Michelson interferometers using fiber optic stretches which stretch two or more optical fibers wound around the perimeter of the optical fiber stretchers by the same amount is disclosed. Preferably a pair of reference and sample fiber optic stretches are utilized which run in a push-pull mode of operation. When one of the interferometers is a coherent light interferometer it can be used as a reference distance scale for all of the remaining low coherence light interferometer. A method for measuring a physical property of a device under test is also disclosed using the apparatus of the present invention.

Abstract: A method and apparatus derive a dynamic grammar composed of a subset of a plurality of data elements that are each associated with one of a plurality of reference identifiers. The present invention generates a set of selection identifiers on the basis of a user-provided first input identifier and determines which of these selection identifiers are present in a set of pre-stored reference identifiers. The present invention creates a dynamic grammar that includes those data elements that are associated with those reference identifiers that are matched to any of the selection identifiers. Based on a user-provided second identifier and on the data elements of the dynamic grammar, the present invention selects one of the reference identifiers in the dynamic grammar.

Abstract: A computer-implemented technique can receive, at a computing device, a uniform resource locator (URL) for a web page and an image. A number of pixels corresponding to a desired resolution for encoding the image is determined and the image is converted to a modified image having the desired resolution. The technique can then generate a two-dimensional barcode by: (i) generating first data representative of the modified image, (ii) appending the first data to either an end of the URL to obtain a first modified URL or after a terminator bit of the two-dimensional barcode, (iii) generating second data representative of the second modified URL or the URL, and (iv) generating third data representative of an error correction code (ECC) based on the first data and the second data, wherein the two-dimensional barcode is generated based on the first data, the second data, and the third data.

Abstract: A method including placing first and second measurement devices proximate first and second aircraft doors, respectively, and determining a first position of the second measurement device relative to a second position of the first measurement device. The method includes placing first and second pluralities of reflective devices inside the aircraft proximate the first and second doors, respectively. The method includes measuring first and second distances from the first and second measurement devices to the first and second pluralities of reflective devices, respectively, and measuring second distances from the second measurement device to the second plurality of reflective devices. Based on a determined position of the second measurement device and further based on the first distances and second distances, third distances are determined between each of the first and second pluralities of reflective devices. The third distances provide a measurement baseline for points on a fuselage and wings.

Abstract: A computer-implemented technique can receive, at a computing device, a uniform resource locator (URL) for a web page and a plurality of images. A number of pixels corresponding to a desired resolution for encoding the images determined and the images are converted to modified images having the desired resolution. The technique can then generate an animated two-dimensional barcode using a plurality of two-dimensional barcodes generated for the plurality of images, respectively. A specific two-dimensional barcode can be generated by: generating first data representative of the modified image and appending the first data to either an end of the URL to obtain a first modified URL or after a terminator bit of the two-dimensional barcode. The two-dimensional barcode can then be generated using the first and second data and third data representative of an error correction code (ECC) and that is based on the first data and the second data.

Abstract: An apparatus for determining the angular error in the placement of fiducial marks on a toric intraocular lens with respect to the true location of a meridional axis of the intraocular lens, the fiducial marks defining an estimate of the angular orientation of the meridional axis of the intraocular is disclosed. The apparatus includes a rotatable intraocular lens holder coupled to drive assembly and an actuator which are mounted into an optical measurement cell receptacle of a wavefront measuring instrument or an angular error measuring instrument. A method for determining the angular error in the placement of fiducial marks on a toric intraocular lens with respect to the true location of a meridional axis of the intraocular lens is also disclosed.

Abstract: An apparatus for obtaining an image of a tooth having at least one light source providing incident light having a first spectral range for obtaining a reflectance image from the tooth and a second spectral range for exciting a fluorescence image from the tooth. A polarizing beamsplitter in the path of the incident light from both sources directs light having a first polarization state toward the tooth and directs light from the tooth having a second polarization state along a return path toward a sensor, wherein the second polarization state is orthogonal to the first polarization state. A first lens in the return path directs image-bearing light from the tooth toward the sensor, and obtains image data from the portion of the light having the second polarization state. A long-pass filter in the return path attenuates light in the second spectral range.

Abstract: An apparatus for measuring the optical performance characteristics and dimensions of an optical element comprising a low coherence interferometer and a Shack-Hartmann wavefront sensor comprising a light source, a plurality of lenslets, and a sensor array is disclosed. The low coherence interferometer is configured to direct a measurement beam along a central axis of the optical element, and to measure the thickness of the center of the optical element. The light source of the Shack-Hartmann wavefront sensor is configured to emit a waveform directed parallel to and surrounding the measurement beam of the interferometer, through the plurality of lenslets, and to the sensor array. A method for measuring the optical performance characteristics and dimensions of a lens using the apparatus is also disclosed.

Abstract: An apparatus for obtaining an image of a tooth having at least one light source providing incident light having a first spectral range for obtaining a reflectance image from the tooth and a second spectral range for exciting a fluorescence image from the tooth. A polarizing beamsplitter in the path of the incident light from both sources directs light having a first polarization state toward the tooth and directs light from the tooth having a second polarization state along a return path toward a sensor, wherein the second polarization state is orthogonal to the first polarization state. A first lens in the return path directs image-bearing light from the tooth toward the sensor, and obtains image data from the portion of the light having the second polarization state. A long-pass filter in the return path attenuates light in the second spectral range.

Abstract: An apparatus for measuring the optical performance characteristics and dimensions of an optical element comprising a low coherence interferometer and a Shack-Hartmann wavefront sensor comprising a light source, a plurality of lenslets, and a sensor array is disclosed. The low coherence interferometer is configured to direct a measurement beam along a central axis of the optical element, and to measure the thickness of the center of the optical element. The light source of the Shack-Hartmann wavefront sensor is configured to emit a waveform directed parallel to and surrounding the measurement beam of the interferometer, through the plurality of lenslets, and to the sensor array. A method for measuring the optical performance characteristics and dimensions of a lens using the apparatus is also disclosed.

Abstract: A method of separating metallic semiconducting carbon nanotubes includes providing a source of a mixture of semiconducting and metallic carbon nanotubes in a carrier liquid with one of the semiconducting and metallic carbon nanotubes being functionalized to carry a charge. The mixture is pressurized to cause a liquid jet of the mixture to be emitted through a nozzle. A drop formation mechanism modulates the liquid jet to form from the jet first and second drops traveling along a path. An electric field modulating device, positioned relative to the jet, produces first and second electric fields. A deflection device applies the first electric field as the first drop is formed to concentrate the functionalized carbon nanotubes in the first drop and applies the second electric field as the second drop is formed. The deflection device causes the first or second drop to begin traveling along another path.

Abstract: A liquid dispensing system includes a liquid dispenser array structure. A first liquid supply provides a carrier liquid that flows continuously through an outlet of a liquid dispensing channel during a drop dispensing operation. A plurality of liquid dispensers, located on a common substrate, includes a second liquid supply that provides a functional liquid, immiscible in the carrier liquid, to the liquid dispensing channel through a liquid supply channel. A drop formation device, associated with an interface of the liquid supply channel and the liquid dispensing channel, is selectively actuated to form discrete drops of the functional liquid in the carrier liquid flowing through the liquid dispensing channel. A receiver conveyance mechanism and the liquid dispenser array structure are positioned relative to each other such that the discrete drops of the functional liquid are applied to a receiver.

Abstract: A liquid dispenser array structure includes a liquid dispensing channel. A first liquid supply provides a carrier liquid that flows continuously through an outlet of the liquid dispensing channel during a drop dispensing operation. A plurality of liquid dispensers, located on a common substrate, includes a liquid supply channel and a second liquid supply that provides a functional liquid, immiscible in the carrier liquid, to the liquid dispensing channel through the liquid supply channel. A drop formation device, associated with an interface of the liquid supply channel and the liquid dispensing channel, is selectively actuated to form a discrete drop of the functional liquid in the carrier liquid flowing through the liquid dispensing channel.