Komaki, Japan
Komaki, Japan

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Patent
Santec Corporation | Date: 2015-05-27

Methods and devices for accurate noninvasive measurement of blood analyte concentrations are disclosed. In an example process, optical properties of a blood vessel proximate to the surface of an exposed body part, for example, the sclera or the backside of the eye lid, is measured. Analyte concentrations are determined based on the measured optical properties.


Patent
Santec Corporation | Date: 2015-03-06

External cavity lasers with single mode-hop-free tuning are generally described. In an example, an external cavity tunable laser system includes an external cavity, a substrate, a chirped grating reflector, and a tunable filter. The substrate has a gain region disposed on the substrate and also includes an active waveguide. The external cavity tunable laser system has a cavity length of the external cavity tunable laser system that is defined by at least a first length of the chirped grating reflector, a second length of the gain region, and a third length of the tunable filter. The cavity length also has an inherent external cavity longitudinal mode. Further, the tunable filter and the chirped grating reflector are configured to synchronize to the inherent external cavity longitudinal mode over a tuning range of the tunable filter.


Patent
Santec Corporation | Date: 2015-02-04

Diagnostic devices are generally described. In an example, an improved diagnostic device includes a display, a camera, a diagnostic probe, and a control unit. The display includes an aperture. The camera is configured to capture an image of a patient through the aperture. The diagnostic probe is configured to perform measurements of an area of interest of the patient through the aperture. The control unit is configured to analyze the measurements of the diagnostic probe and cause the display to present the image of the patient and results of the measurements on the image of the patient.


Patent
Santec Corporation | Date: 2015-01-21

Improved optical coherence tomography (OCT) imaging systems are generally described. In an example, an OCT imaging system includes a tunable laser source, an interferometer, a splitter, and a detector. The tunable laser source is configured to provide a wavelength-scanned beam. The interferometer is configured to split the wavelength-scanned beam into a reference beam and an object beam. The splitter is configured to split the object beam into a first path corresponding to an anterior chamber imaging component and a second path corresponding to a retinal imaging component. The detector is configured to detect a signal caused by interference between the reference beam and at least a portion of the object beam reflected from the eye.


Patent
Santec Corporation | Date: 2016-03-31

Methods and devices for accurate noninvasive measurement of blood analyte concentrations are disclosed. In an example process, optical properties of a blood vessel proximate to the surface of an exposed body part, for example, the sclera or the backside of the eyelid, is measured. Analyte concentrations are determined based on the measured optical properties.


Patent
Santec Corporation | Date: 2014-08-13

A siphonic flushing device is provided, comprising a tube (110) extending from an open inlet end (112) to an open outlet end (114) via a bend (116), arranged above said inlet end (112) and said outlet end (114), as well as via a water trap (118) formed between said bend (116) and said outlet end (114), and wherein said outlet end (114) is arranged below said inlet end (112); and an air intake device (300) having an air outlet connected to said tube (110) for allowing air to enter said tube (110) for terminating an ongoing flush, wherein said air intake device (300) further comprises a first air inlet (304) arranged vertically below said air outlet, and a second air inlet (306) arranged vertically below said first air inlet (304), and wherein a first flush volume is provided if air is introduced through the first inlet (304), and a second flush volume is provided if air is introduced through the second inlet (306).


Patent
Santec Corporation | Date: 2013-07-05

A wavelength selective optical switch includes an incidence/emergence unit that includes an input port at which signal light made up of light of numerous wavelengths is incident and an output port at which light signals of selected wavelengths are emergent, a wavelength dispersion element that spatially disperses signal light according to a wavelength of the signal light, and synthesizes reflected light, a condenser element that condenses light dispersed by the wavelength dispersion element on a two-dimensional plane, a space phase modulator arranged so as to receive incident light deployed on an xy plane made up of an x-axis direction deployed according to wavelength and a y-axis direction orthogonal to the x-axis direction, and having numerous pixels arranged in a lattice on the xy plane, and a space phase modulator drive unit.


Patent
Santec Corporation | Date: 2013-07-10

An optical node device includes a light receiving/emitting portion having an input port into which a signal beam is incident and an output port that emits a signal beam of a selected wavelength, a chromatic dispersion device that scatters spatially the signal beam depending on the wavelength of the signal beam, an optical coupler that focuses, onto a two-dimensional plane, beams dispersed by the chromatic dispersion device, a spatial light modulating element arranged so as to receive incident light deployed on an xy plane made up of an x-axis direction deployed according to wavelength and a y-axis direction orthogonal to the x-axis direction, and having numerous pixels arranged in a lattice on the xy plane, and a spatial light modulating element driving portion that drives electrodes of the individual pixels arranged in the xy axial directions in the spatial light modulating element.


Patent
Santec Corporation | Date: 2013-07-10

A wavelength selective optical switch includes a light input/output unit having a plurality of input/output ports, a polarization plane-independent wavelength dispersion element that splits incident light input from the optical input/output unit into spatially different angles for each wavelength, and synthesizes emergent light from different directions and outputs the light to the optical input/output unit, a condenser element that condenses the light split by the wavelength splitting element, a polarization splitter that splits incident light incident via the condenser element according to a polarization component to result in first and second light beams, aligns a polarization direction by rotating a polarization direction of one of the beams, and synthesizes the incident light by rotating one polarization direction of the emergent light of the same wavelength among the first and second reflected light beams, and a space phase modulation element.


Patent
Santec Corporation | Date: 2013-12-31

An input section for a wavelength-selective switch array includes a plurality of optical ports. The plurality of optical ports includes a first sub-plurality of optical ports having a plurality of first port optical axes, a second sub-plurality of optical ports having a plurality of second port optical axes, and a plurality of optical power elements. Each one of the plurality of optical power elements is disposed at an end of a respective one of each of the plurality of optical ports. The plurality of optical power elements further includes a first sub-plurality of optical power elements including a plurality of first optical power element optical axes displaced relative to the plurality of first port optical axes and a second sub-plurality of optical power elements including a plurality of second optical power element optical axes displaced relative to the plurality of second port optical axes.

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