Patents by Inventor David P. Caffey
David P. Caffey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11688997Abstract: 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). The first laser module (1716A) emits a plurality of spaced apart first laser beams (1720A). The second laser module (1716B) emits a plurality of spaced apart second laser beams (1720B). The transform assembly (1744) is positioned in a path of the laser beams (1720A) (1720B). The transform assembly (1744) directs the laser beams (1720A) (1720B) to spatially overlap at a focal plane of the transform assembly (1744). The beam combiner (1746) is positioned at the focal plane that combines the lasers beams (1720A) (1720B) to provide a combination beam. The laser beams (1720A) (1720B) directed by the transform assembly (1744) impinge on the beam combiner (1746) at different angles.Type: GrantFiled: July 19, 2021Date of Patent: June 27, 2023Assignee: DAYLIGHT SOLUTIONS, INC.Inventors: Alexander Jason Whitmore, Michael Pushkarsky, David P. Caffey, Francisco Javier Santos, Justin Motander Jones
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Publication number: 20210351571Abstract: 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). The first laser module (1716A) emits a plurality of spaced apart first laser beams (1720A). The second laser module (1716B) emits a plurality of spaced apart second laser beams (1720B). The transform assembly (1744) is positioned in a path of the laser beams (1720A) (1720B). The transform assembly (1744) directs the laser beams (1720A) (1720B) to spatially overlap at a focal plane of the transform assembly (1744). The beam combiner (1746) is positioned at the focal plane that combines the lasers beams (1720A) (1720B) to provide a combination beam. The laser beams (1720A) (1720B) directed by the transform assembly (1744) impinge on the beam combiner (1746) at different angles.Type: ApplicationFiled: July 19, 2021Publication date: November 11, 2021Inventors: Alexander Jason Whitmore, Michael Pushkarsky, David P. Caffey, Francisco Javier Santos, Justin Motander Jones
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Patent number: 11070032Abstract: 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). The transform lens assembly (1244) collimates and directs the laser beams (1220A) (1220B) to spatially overlap at a focal plane of the transform lens assembly (1244). The path length adjuster (1299) is positioned in a path of the first laser beams (1220A), the path length adjuster (1299) being adjustable to adjust of a path length the first laser beams (1220A) relative to the second laser beams (1220B).Type: GrantFiled: February 7, 2020Date of Patent: July 20, 2021Assignee: Daylight Solutions, Inc.Inventors: Alexander Jason Whitmore, Michael Pushkarsky, David P. Caffey
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Publication number: 20200176954Abstract: 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). The transform lens assembly (1244) collimates and directs the laser beams (1220A) (1220B) to spatially overlap at a focal plane of the transform lens assembly (1244). The path length adjuster (1299) is positioned in a path of the first laser beams (1220A), the path length adjuster (1299) being adjustable to adjust of a path length the first laser beams (1220A) relative to the second laser beams (1220B).Type: ApplicationFiled: February 7, 2020Publication date: June 4, 2020Inventors: Alexander Jason Whitmore, Michael Pushkarsky, David P. Caffey
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Patent number: 10559943Abstract: 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). The beam adjuster (42) adjusts the spacing between the plurality of laser beams (20). The transform lens (44A) focuses the laser beams (20) at a focal plane (54) and the beam combiner (46) is positioned at the focal plane (54). The beam combiner (46) combines the lasers beams (20) to provide a combination beam (58). Further, the output coupler (48) redirects at least a portion of the combination beam (58) back to the beam combiner (46) as a redirected beam (60), and transmits a portion of the combination beam (58) as the assembly output beam (12).Type: GrantFiled: January 8, 2019Date of Patent: February 11, 2020Assignee: DAYLIGHT SOLUTIONS, INC.Inventors: Alexander Jason Whitmore, Michael Pushkarsky, David P. Caffey
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Publication number: 20190214786Abstract: 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). The beam adjuster (42) adjusts the spacing between the plurality of laser beams (20). The transform lens (44A) focuses the laser beams (20) at a focal plane (54) and the beam combiner (46) is positioned at the focal plane (54). The beam combiner (46) combines the lasers beams (20) to provide a combination beam (58). Further, the output coupler (48) redirects at least a portion of the combination beam (58) back to the beam combiner (46) as a redirected beam (60), and transmits a portion of the combination beam (58) as the assembly output beam (12).Type: ApplicationFiled: January 8, 2019Publication date: July 11, 2019Inventors: Alexander Jason Whitmore, Michael Pushkarsky, David P. Caffey
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Patent number: 10181693Abstract: A laser source (340) that generates an output beam (354) that is directed along a beam axis (354A) that is coaxial with a first axis and orthogonal to a second axis comprises a first frame (356), a laser (358), and a first mounting assembly (360). The laser (358) generates the output beam (354) that is directed along the beam axis (354A). The first mounting assembly (360) couples the laser (358) to the first frame (356). The first mounting assembly (360) allows the laser (358) to expand and contract relative to the first frame (356) along the first axis and along the second axis, while maintaining alignment of the output beam (354) so the beam axis (354A) is substantially coaxial with the first axis. The first mounting assembly (360) can include a first fastener assembly (366) that couples the laser (358) to the first frame (356), and a first alignment assembly (368) that maintains alignment of the laser (358) along a first alignment axis (370) that is substantially parallel to the first axis.Type: GrantFiled: December 14, 2015Date of Patent: January 15, 2019Assignee: Daylight Solutions, Inc.Inventors: David F. Arnone, David P. Caffey, Michael Pushkarsky, Miles Weida
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Publication number: 20170373465Abstract: A laser source (340) that generates an output beam (354) that is directed along a beam axis (354A) that is coaxial with a first axis and orthogonal to a second axis comprises a first frame (356), a laser (358), and a first mounting assembly (360). The laser (358) generates the output beam (354) that is directed along the beam axis (354A). The first mounting assembly (360) couples the laser (358) to the first frame (356). The first mounting assembly (360) allows the laser (358) to expand and contract relative to the first frame (356) along the first axis and along the second axis, while maintaining alignment of the output beam (354) so the beam axis (354A) is substantially coaxial with the first axis. The first mounting assembly (360) can include a first fastener assembly (366) that couples the laser (358) to the first frame (356), and a first alignment assembly (368) that maintains alignment of the laser (358) along a first alignment axis (370) that is substantially parallel to the first axis.Type: ApplicationFiled: December 14, 2015Publication date: December 28, 2017Inventors: David F. Arnone, David P. Caffey, Michael Pushkarsky, Miles Weida
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Publication number: 20160111853Abstract: A laser source (340) that generates an output beam (354) that is directed along a beam axis (354A) that is coaxial with a first axis and orthogonal to a second axis comprises a first frame (356), a laser (358), and a first mounting assembly (360). The laser (358) generates the output beam (354) that is directed along the beam axis (354A). The first mounting assembly (360) couples the laser (358) to the first frame (356). The first mounting assembly (360) allows the laser (358) to expand and contract relative to the first frame (356) along the first axis and along the second axis, while maintaining alignment of the output beam (354) so the beam axis (354A) is substantially coaxial with the first axis. The first mounting assembly (360) can include a first fastener assembly (366) that couples the laser (358) to the first frame (356), and a first alignment assembly (368) that maintains alignment of the laser (358) along a first alignment axis (370) that is substantially parallel to the first axis.Type: ApplicationFiled: December 14, 2015Publication date: April 21, 2016Inventors: David F. Arnone, David P. Caffey, Michael Pushkarsky, Miles Weida
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Patent number: 9225148Abstract: A laser source (340) comprises a first frame (356), a laser (358), and a first mounting assembly (360). The laser (358) generates an output beam (354) that is directed along a beam axis (354A). The first mounting assembly (360) allows the laser (358) to expand and contract relative to the first frame (356) along a first axis and along a second axis that is orthogonal to the beam axis, while maintaining alignment of the output beam (354) so the beam axis (354A) is substantially coaxial with the first axis. The first mounting assembly (360) can include a first fastener assembly (366) that couples the laser (358) to the first frame (356), and a first alignment assembly (368) that maintains alignment of the laser (358) along a first alignment axis (370) that is substantially parallel to the first axis.Type: GrantFiled: September 22, 2011Date of Patent: December 29, 2015Assignee: Daylight Solutions, Inc.Inventors: David F. Arnone, David P. Caffey, Michael Pushkarsky, Miles Weida
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Patent number: 9059562Abstract: An assembly (10) for providing an assembly output beam comprises a laser assembly (12), a power source (14), and a system controller (16). The power source (14) is electrically coupled to the laser assembly (12). The system controller (16) directs power from the power source (14) to the laser assembly (12). Additionally, the system controller (16) includes a capacitor assembly (22) that is electrically connected to the laser assembly (12), and a current source (20) that directs power from the power source (14) to the capacitor assembly (22) and the laser assembly (12). The power source (14) and the capacitor assembly (22) cooperate to provide power to the laser assembly (12). Further, the capacitor assembly (22) provides pulses of power and the current source (20) directs the pulses of power to the laser assembly (12). Moreover, the current source (20) charges the capacitor assembly (22) in between the pulses of power.Type: GrantFiled: June 22, 2012Date of Patent: June 16, 2015Assignee: DAYLIGHT SOLUTIONS, INC.Inventors: Allen Priest, David P. Caffey
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Publication number: 20150101234Abstract: An assembly (10) for providing an assembly output beam comprises a laser assembly (12), a power source (14), and a system controller (16). The power source (14) is electrically coupled to the laser assembly (12). The system controller (16) directs power from the power source (14) to the laser assembly (12). Additionally, the system controller (16) includes a capacitor assembly (22) that is electrically connected to the laser assembly (12), and a current source (20) that directs power from the power source (14) to the capacitor assembly (22) and the laser assembly (12). The power source (14) and the capacitor assembly (22) cooperate to provide power to the laser assembly (12). Further, the capacitor assembly (22) provides pulses of power and the current source (20) directs the pulses of power to the laser assembly (12). Moreover, the current source (20) charges the capacitor assembly (22) in between the pulses of power.Type: ApplicationFiled: June 22, 2012Publication date: April 16, 2015Inventors: Allen Priest, David P. Caffey
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Publication number: 20140314110Abstract: A laser source (340) comprises a first frame (356), a laser (358), and a first mounting assembly (360). The laser (358) generates an output beam (354) that is directed along a beam axis (354A). The first mounting assembly (360) allows the laser (358) to expand and contract relative to the first frame (356) along a first axis and along a second axis that is orthogonal to the beam axis, while maintaining alignment of the output beam (354) so the beam axis (354A) is substantially coaxial with the first axis. The first mounting assembly (360) can include a first fastener assembly (366) that couples the laser (358) to the first frame (356), and a first alignment assembly (368) that maintains alignment of the laser (358) along a first alignment axis (370) that is substantially parallel to the first axis.Type: ApplicationFiled: September 22, 2011Publication date: October 23, 2014Inventors: David F. Arnone, David P. Caffey, Michael Pushkarsky, Miles Weida
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Patent number: 8774244Abstract: A laser source assembly for providing an assembly output beam includes a first emitter, a second emitter, and a third emitter. The first emitter emits a first beam along a first beam axis that is substantially parallel to and spaced apart from an assembly axis. The second emitter emits a second beam along a second beam axis that is substantially parallel to and spaced apart from the assembly axis. The third emitter emits a third beam along a third beam axis that is substantially parallel to and spaced apart from the assembly axis. The first beam axis, the second beam axis and the third beam axis are positioned spaced apart about and substantially equidistant from the assembly axis.Type: GrantFiled: November 22, 2011Date of Patent: July 8, 2014Assignee: Daylight Solutions, Inc.Inventors: Michael Pushkarsky, David F. Arnone, Matt Barre, David P. Caffey, Salvatore F. Crivello, Timothy Day, Kyle Thomas
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Publication number: 20130243018Abstract: A laser assembly (10) that generates a beam (20) includes a gain medium (12) having a first facet region (24) that includes a first facet (16), a second facet region (26) that includes a second facet (18), and an intermediate region (28) that separates and connects the facet regions (24) (26). Additionally, the gain medium (12) includes a substrate layer (30) and a core layer (34) that extend between the facets (16) (18). The gain medium (12) is designed so that when current is directed to the gain medium, (i) current flows through the core layer (34) in the intermediate region (28) to generate the beam (20), and (ii) current does not flow through or flows at a reduced rate through the core layer (34) in one or both facet regions (24) (26).Type: ApplicationFiled: March 11, 2013Publication date: September 19, 2013Applicant: DAYLIGHT SOLUTIONS, INC.Inventor: David P. Caffey
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Patent number: 8467430Abstract: An external cavity laser assembly (10) that generates a light beam (12) includes a gain medium (14) and a diffraction grating (24). The gain medium (14) has a growth direction (14C), a fast axis (14A), a first facet (34A), and a second facet (34B) that is spaced apart from the first facet (34A). The gain medium (14) emits from both facets (34A) (34B). Further, a beam polarization (30) of the light beam (32) emitting from the second facet (34B) is perpendicular to the growth direction (14C) and the fast axis (14A). The grating (24) includes a plurality of grating ridges (24A) that are oriented parallel to the beam polarization (30). Moreover, each of the grating ridges (24A) can have a substantially rectangular shaped cross-sectional profile.Type: GrantFiled: September 20, 2011Date of Patent: June 18, 2013Assignee: Daylight Solutions, Inc.Inventors: David P. Caffey, Michael Radunsky, Edeline Fotheringham, Michael Pushkarsky
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Publication number: 20120106160Abstract: A laser source assembly for providing an assembly output beam includes a first emitter, a second emitter, and a third emitter. The first emitter emits a first beam along a first beam axis that is substantially parallel to and spaced apart from an assembly axis. The second emitter emits a second beam along a second beam axis that is substantially parallel to and spaced apart from the assembly axis. The third emitter emits a third beam along a third beam axis that is substantially parallel to and spaced apart from the assembly axis. The first beam axis, the second beam axis and the third beam axis are positioned spaced apart about and substantially equidistant from the assembly axis.Type: ApplicationFiled: November 22, 2011Publication date: May 3, 2012Inventors: Michael Pushkarsky, David F. Arnone, Matt Barre, David P. Caffey, Salvatore F. Crivello, Timothy Day, Kyle Thomas
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Publication number: 20120076160Abstract: An external cavity laser assembly (10) that generates a light beam (12) includes a gain medium (14) and a diffraction grating (24). The gain medium (14) has a growth direction (14C), a fast axis (14A), a first facet (34A), and a second facet (34B) that is spaced apart from the first facet (34A). The gain medium (14) emits from both facets (34A) (34B). Further, a beam polarization (30) of the light beam (32) emitting from the second facet (34B) is perpendicular to the growth direction (14C) and the fast axis (14A). The grating (24) includes a plurality of grating ridges (24A) that are oriented parallel to the beam polarization (30). Moreover, each of the grating ridges (24A) can have a substantially rectangular shaped cross-sectional profile.Type: ApplicationFiled: September 20, 2011Publication date: March 29, 2012Inventors: David P. Caffey, Michael Radunsky, Edeline Fotheringham, Michael Pushkarsky