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公开(公告)号：US11502473B2
公开(公告)日：2022-11-15
申请号：US16644999
申请日：2018-08-29
Inventor： Marcos Dantus , Vadim Lozovoy
IPC: H01S3/00
Abstract: A laser apparatus includes an optic dispersion compensator. In another aspect, an optic (40, 45) uses phase wrapping to compress or stretch a laser pulse. A further aspect includes an apparatus and method for binary-phase compression of stretched laser pulses. In yet another aspect, a single monolithic transmissive or reflective optic (40, 45) provides compression or stretching of a laser pulse using a sinusoidal pattern for introducing binary steps. Another aspect provides a stretching or compressing optic (40, 45) for retarding a phase of multiple frequency regions of a laser pulse by a factor of 2? or less. Still another aspect employs a volume grating or multi-layer mirror including phase wrapping to obtain discontinuous phase jumps in a laser pulse compressor (45) or stretcher (40). Methods of using or making the laser apparatus are also provided.
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公开(公告)号：US20200041367A1
公开(公告)日：2020-02-06
申请号：US16546705
申请日：2019-08-21
Inventor： Marcos Dantus , Gary J. Blanchard , D. J. Osborn, III , Elan Dantus , Sheryl Blanchard , Evan Blanchard
IPC: G01L5/00 , A61B5/0476
Abstract: The disclosure relates to materials and articles that provide an irreversible history of compression forces and torques experienced by the materials and articles. The disclosure relates more particularly to an multiple impact level detection assembly as well as related articles and methods. The multiple impact level detection assembly provides distinct impact patterns depending on the impact force and direction (for torqueing motions) received by the detection assembly. The detection assembly can be incorporated into a variety of articles and used in a variety of settings, for example to monitor personal safety in a protective garment such as a helmet. The detection assembly incorporates an impact detection medium (e.g., a plurality of microcapsules with an indicator therein), which can serve as an irreversible means for detecting impact on the assembly via a relief substrate incorporated into the assembly.
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公开(公告)号：US20170122855A1
公开(公告)日：2017-05-04
申请号：US15407478
申请日：2017-01-17
Inventor： Marcos Dantus , Gary J. Blanchard , Sheryl Blanchard
CPC classification number: G01N3/062 , A42B3/067 , A61B5/11 , A63B69/3617 , A63B71/06 , A63B71/08 , A63B71/10 , A63B2071/0694 , A63B2102/18 , A63B2102/24 , A63B2102/32 , A63B2209/00 , G01L5/0052
Abstract: The disclosure relates to an irreversible dosimetric shock-detection substrate as well as related articles and methods. The shock-detection substrate incorporates a plurality of microcapsules serving as an irreversible means for detecting impact on the substrate. A shock above a characteristic threshold level experienced by the substrate induces an irreversible detectable change associated with the microcapsules upon shock-induced rupture. The irreversible detectable change provides a tamper-proof and non-electronic means for detecting a shock or impact. The shock-detection substrates can be incorporated into a variety of articles and used in a variety of settings, for example to monitor personal safety, to monitor article integrity, to monitor the end of the useful life of the shock-detection substrate itself, or in any other setting where it is desirable to irreversibly detect and/or localize a shock event.
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公开(公告)号：US10598682B2
公开(公告)日：2020-03-24
申请号：US15429739
申请日：2017-02-10
Inventor： Marcos Dantus , Manoochehr M. Koochesfahani , Shahram Pouya , Anton G. Ryabtsev , Alireza Safaripour Tabalvandani
Abstract: The superposition of Laguerre-Gaussian guided into and scattered by a particle in a rotated fluid allows the detection of the rotational of the fluid. The presented system allows for virtually real-time determination of vorticity characterization in a fluid. The system allows the direct measurements of fluid flow vorticity using a spatially shaped beam with a superposition of Laguerre-Gaussian modes that reports on the rotational Doppler shift from microparticles intersecting the beam focus.
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公开(公告)号：US20170089779A1
公开(公告)日：2017-03-30
申请号：US15164996
申请日：2016-05-26
Inventor： Marcos Dantus , Gary J. Blanchard , D. J. Osborn, III , Elan Dantus , Sheryl Blanchard , Evan Blanchard
IPC: G01L5/00 , A61B5/0476 , A61B5/00
CPC classification number: G01L5/0052 , A61B5/0476
Abstract: The disclosure relates to materials and articles that provide an irreversible history of compression forces and torques experienced by the materials and articles. The disclosure relates more particularly to an multiple impact level detection assembly as well as related articles and methods. The multiple impact level detection assembly provides distinct impact patterns depending on the impact force and direction (for torqueing motions) received by the detection assembly. The detection assembly can be incorporated into a variety of articles and used in a variety of settings, for example to monitor personal safety in a protective garment such as a helmet. The detection assembly incorporates an impact detection medium (e.g., a plurality of microcapsules with an indicator therein), which can serve as an irreversible means for detecting impact on the assembly via a relief substrate incorporated into the assembly.
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Patent Agency Ranking
公开(公告)号：US11385098B2
公开(公告)日：2022-07-12
申请号：US17154461
申请日：2021-01-21
Inventor： Marcos Dantus
Abstract: A system for determining a characteristic of a laser includes a collection housing receiving a laser beam comprising a first pulse, a second pulse and a time period between the first pulse and the second pulse. A photon counting detector receives photons from the laser beam disposed to generate photon signals from the laser beam and generating a start signal. A fast diode generates a stop signal to provide a time reference of counted photons ns. A controller is coupled to the photon counting detector and the fast diode. The controller counts photons from the photon counting detector occurring during the time period between the first and second pulse and generates a first output signal corresponding to a power during the time period between the first pulse and the second pulse.
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公开(公告)号：US10267739B2
公开(公告)日：2019-04-23
申请号：US14907992
申请日：2014-07-31
Inventor： Marcos Dantus , Marshall Thomas Bremer
Abstract: A laser system and method employing stimulated Raman scattering using a main laser pulse and a delayed replica reference pulse are provided. A further aspect calculates stimulated Raman loss and stimulated Raman gain from a reflected laser light scatter collected from a fabric or paper specimen. In another aspect, a laser system receives a low energy portion of a spectrum of main and reference laser pulses with a first photodetector, receives a higher energy portion of the spectrum of the main and reference pulses with a second photodetector, and uses a controller to determine a Raman active phonon transfer of energy manifested as an increase in the reflected laser scatter in a lower energy portion of the spectrum and a decrease in a higher energy portion of the spectrum. In yet another aspect, the controller automatically determines if a hazardous particle or substance such as an explosive, is present on a specimen.
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公开(公告)号：US20180219346A1
公开(公告)日：2018-08-02
申请号：US15936534
申请日：2018-03-27
Inventor： Marcos Dantus , Vadim Lozovoy
CPC classification number: H01S3/0057 , G02B27/0927 , G02B27/0944 , H01S3/0085 , H01S3/10053 , H01S3/1625 , H01S3/1636
Abstract: A laser pulse includes a flat top shape. Another aspects provides a method and system for creating laser pulse amplification with a flat top and/or square shape, by only using phase modulation. In yet another aspect, a method and system create a flat top and/or square-shaped laser pulse in a reversible manner such that the stretched spectrum can be recompressed to their original duration with essentially no loss of pulse energy. A further aspect includes a method of making a fixed optic capable to creating flat top or square pulse amplification.
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公开(公告)号：US12019011B2
公开(公告)日：2024-06-25
申请号：US17271269
申请日：2019-08-29
Inventor： Marcos Dantus
CPC classification number: G01N21/1702 , A61B5/150366 , G01N21/45 , G01N29/226 , G01N29/2418 , G01N33/49 , G01N2291/02466 , G01N2291/02475
Abstract: A laser system for blood assessment is provided. Another aspect of a laser system includes a container within which is blood, a laser operable to emit a laser beam at the container to vibrate the blood, a detector operable to detect a vibrational characteristic of the blood, a controller connected to the detector operable to automatically determine a characteristic of the blood based at least in part on the vibrational characteristic detected by the detector, and a display operable to indicate a determination result from the controller. Another aspect of the present blood or tissue assessment laser system includes a laser, a power supply, a detector, a controller and an electronic display, all contained within or coupled to a handheld and portable housing.
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公开(公告)号：US11274982B2
公开(公告)日：2022-03-15
申请号：US16546705
申请日：2019-08-21
Inventor： Marcos Dantus , Gary J. Blanchard , D. J. Osborn, III , Elan Dantus , Sheryl Blanchard , Evan Blanchard
Abstract: The disclosure relates to materials and articles that provide an irreversible history of compression forces and torques experienced by the materials and articles. The disclosure relates more particularly to an multiple impact level detection assembly as well as related articles and methods. The multiple impact level detection assembly provides distinct impact patterns depending on the impact force and direction (for torqueing motions) received by the detection assembly. The detection assembly can be incorporated into a variety of articles and used in a variety of settings, for example to monitor personal safety in a protective garment such as a helmet. The detection assembly incorporates an impact detection medium (e.g., a plurality of microcapsules with an indicator therein), which can serve as an irreversible means for detecting impact on the assembly via a relief substrate incorporated into the assembly.
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