18 patents
Utility
Low-noise spectroscopic imaging system with steerable substantially coherent illumination
31 Oct 23
A spectral imaging device (1312) for capturing one or more, two-dimensional, spectral images (1313A) of a sample (1310) including (i) an image sensor (1328), (ii) an illumination source (1314), (iii) a beam path adjuster (1362), and (iv) a control system (1330).
Jeremy A. Rowlette, Miles James Weida, Edeline Fotheringham, Justin Kane, Rudy Bermudez, William Chapman
Filed: 6 Dec 21
Utility
Laser assembly with beam combining
27 Jun 23
A laser assembly (1710) for generating an assembly output beam (1712) includes a laser subassembly (1716) including a first laser module (1716A) and a second laser module (1716B), a transform assembly (1744), and a beam combiner (1746).
Alexander Jason Whitmore, Michael Pushkarsky, David P. Caffey, Francisco Javier Santos, Justin Motander Jones
Filed: 19 Jul 21
Utility
Flow cell for direct absorption spectroscopy
8 Nov 22
A flow cell assembly (16) for a fluid analyzer (14) that analyzes a sample (12) includes (i) a base (350) that includes a base window (350B); (ii) a cap (352) having a cap window (352B) that is spaced apart from the base window (350B); and (iii) a gasket (360) that is secured to and positioned between the base (350) and the cap (352), the gasket (360) having a gasket body (360A) that includes a gasket opening (360B).
David F. Arnone, Miles James Weida
Filed: 27 Jul 20
Utility
Infrared imaging microscope using tunable laser radiation
1 Feb 22
An imaging microscope (12) for generating an image of a sample (10) comprises a beam source (14) that emits a temporally coherent illumination beam (20), the illumination beam (20) including a plurality of rays that are directed at the sample (10); an image sensor (18) that converts an optical image into an array of electronic signals; and an imaging lens assembly (16) that receives rays from the beam source (14) that are transmitted through the sample (10) and forms an image on the image sensor (18).
Miles James Weida, Timothy Day
Filed: 20 Mar 20
Utility
Low-noise spectroscopic imaging system using substantially coherent illumination
7 Dec 21
A spectral imaging device (12) includes an image sensor (28), a tunable light source (14), an optical assembly (17), and a control system (30).
Jeremy A. Rowlette, Miles James Weida
Filed: 15 Sep 20
Utility
Pulsed quantum cascade device assembly with active voltage pulldown
30 Nov 21
A laser assembly (10) for generating a pulsed output beam (16) includes a quantum cascade device (12); and a laser driver (14A) that controls the voltage to the quantum cascade device (12) in a pulsed drive profile (950) to generate the pulsed output beam (16).
Bruce Coy, Miles James Weida
Filed: 18 Sep 19
Utility
Trace chemical concentration measurement using mid-infrared absorption spectroscopy in a highly absorbing medium
5 Oct 21
A method for identifying one or more analytes (12A)(12B)(12C) includes (i) directing a solvent (18) into a test cell (22); (ii) directing a first laser probe beam (26) at the solvent (18) in the test cell (22); (iii) acquiring a solvent intensity spectrum of the solvent (18); (iv) directing a sample (12) that includes one or more analytes (12A)(12B)(12C) and the solvent (18) into the flow cell (22); (v) directing a second laser probe beam (26) at the sample (12) in the test cell (22); (vi) acquiring a sample intensity spectrum of the sample (12); (vii) calculating a solvent referenced transmittance spectrum that details a solvent reference transmittance as a function of wavelength using the solvent intensity spectrum and the sample intensity spectrum; and (viii) identifying one or more analytes (12A)(12B)(12C) in the sample (12) using the solvent referenced transmittance spectrum.
Miles James Weida, Jeremy Rowlette
Filed: 17 Oct 19
Utility
Liquid chromatography analyzer system with on-line analysis of eluting fractions
14 Sep 21
A chromatography analyzer system (10) for analyzing a sample (12) includes a MIR analyzer (34) for spectrally analyzing a sample fraction (12A) while the sample fraction (12A) is flowing in the MIR analyzer (34).
Miles James Weida, Bruce Coy, David F. Arnone
Filed: 9 Aug 19
Utility
Laser assembly with spectral beam combining
20 Jul 21
A laser assembly (1210) for generating an assembly output beam (1212) includes a laser subassembly (1216) that emits a plurality of spaced apart first laser beams (1220A), a plurality of spaced apart second laser beams (1220B), a transform lens assembly (1244), a wavelength selective beam combiner (1246), and a path length adjuster (1299).
Alexander Jason Whitmore, Michael Pushkarsky, David P. Caffey
Filed: 7 Feb 20
Utility
Light source assembly with multiple, disparate light sources
18 May 21
A light source assembly for use by a user includes a housing assembly and a moving beam light source.
Alexander Jason Whitmore, Ronald Kevin Arp, Kristen Diane Cecchetti, Michael Vernon Henson, Eric Kim, J. Allen Priest, Michael Pushkarsky
Filed: 14 Feb 19
Utility
Low-noise spectroscopic imaging system using substantially coherent illumination
5 Oct 20
A spectral imaging device (12) includes an image sensor (28), a tunable light source (14), an optical assembly (17), and a control system (30).
Jeremy A. Rowlette, Miles James Weida
Filed: 23 Sep 19
Utility
Flow cell for direct absorption spectroscopy
24 Aug 20
A flow cell assembly (16) for a fluid analyzer (14) that analyzes a sample (12) includes (i) a base (350) that includes a base window (350B); (ii) a cap (352) having a cap window (352B) that is spaced apart from the base window (350B); and (iii) a gasket (360) that is secured to and positioned between the base (350) and the cap (352), the gasket (360) having a gasket body (360A) that includes a gasket opening (360B).
David F. Arnone, Miles James Weida
Filed: 9 Aug 18
Utility
Infrared imaging microscope using tunable laser radiation
20 Apr 20
An imaging microscope (12) for generating an image of a sample (10) comprises a beam source (14) that emits a temporally coherent illumination beam (20), the illumination beam (20) including a plurality of rays that are directed at the sample (10); an image sensor (18) that converts an optical image into an array of electronic signals; and an imaging lens assembly (16) that receives rays from the beam source (14) that are transmitted through the sample (10) and forms an image on the image sensor (18).
Miles James Weida, Timothy Day
Filed: 29 Aug 18
Utility
Laser assembly with spectral beam combining
10 Feb 20
A laser assembly (10) for generating an assembly output beam (12) includes a laser subassembly (16) that emits a plurality of spaced apart laser beams (20), a beam adjuster (42), a transform lens (44A), a beam combiner (46), and an output coupler (48).
Alexander Jason Whitmore, Michael Pushkarsky, David P. Caffey
Filed: 7 Jan 19
Utility
Infrared refractive objective lens assembly
9 Dec 19
A mid-infrared objective lens assembly (10) includes a plurality of spaced apart, refractive lens elements (20) that operate in the mid-infrared spectral range, the plurality of lens elements (20) including an aplanatic first lens element (26) that is closest to an object (14) to be observed.
Jeremy Rowlette
Filed: 26 Oct 17
Utility
Laser power adjustment during tuning to compensate for detector response and varying background absorption
18 Nov 19
An assembly (14) for analyzing a sample (15) includes a detector assembly (18); a tunable laser assembly (10); and (iii) a laser controller (10F).
Miles James Weida, William Chapman, Bruce Coy
Filed: 14 Oct 18
Utility
Low-noise spectroscopic imaging system using substantially coherent illumination
7 Oct 19
A spectral imaging device (12) includes an image sensor (28), a tunable light source (14), an optical assembly (17), and a control system (30).
Jeremy A. Rowlette, Miles James Weida
Filed: 16 Aug 17
Utility
Modulating spectroscopic imaging system using substantially coherent illumination
7 Oct 19
A spectral imaging device (12) for generating an image (13A) of a sample (10) includes (i) an image sensor (30); (ii) a tunable light source (14) that generates an illumination beam (16) that is directed at the sample (10); (iii) an optical assembly (22) that collects light from the sample (10) and forms an image of the sample (10) on the image sensor (30); and (iv) a control system (32) that controls the tunable light source (14) and the image sensor (30).
Jeremy Rowlette, Edeline Fotheringham, Justin Kane, Mark V. Bermal, David Nichols, William Chapman
Filed: 12 Dec 17
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