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Angular Tuning of Axial Resonance in Periodic Grating Structures Design Strategy for Operating Multi-Channel CW or Mode-Locked Pulsed VECSELs
This invention can be used to develop tunable wavelength VECSEL/VCSEL/OPSL sources. This can also be used to tune absorption bands in periodic absorbers or any periodic media. This allows for engineering of tunability of a source. Furthermore, the adaptability of this invention permits the utilization of multiple wavelength ranges without needing to...
Published: 9/5/2023
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Inventor(s): Jerome Moloney, Simon Tsaoussis
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Hybrid SESAM Output Coupler
A novel hybrid semiconductor saturable absorber mirror (SESAM)/dielectric output coupler has been developed and employed to demonstrate a mode locked vertical-external-cavity surface-emitting lasers (VECSEL). The hybrid SESAM enables a greatly simplified optical layout for developing short pulse laser sources utilizing semiconductor based VECSELs.
Background:...
Published: 9/5/2023
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Inventor(s): Ronald Jones, Jerome Moloney, Ricky Gibson, Sadhvikas Addamane, Garrett Cole
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Displays
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All-Fiber Single-Cavity Dual-Comb for Coherent Anti-Stokes Raman Scattering Spectroscopy based on Spectral Focusing
This technology is an all-fiber, single-cavity, free-running, dual-comb laser system based on spectral focusing. This technique can be used in coherent anti-Stokes Raman scattering spectroscopy (CARS) and label-free imaging for a variety of applications.
Background:
Coherent anti-Stokes Raman scattering spectroscopy (CARS) is a form of spectroscopy...
Published: 8/1/2023
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Inventor(s): Khanh Kieu, Yukun Qin
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Method and Apparatus for Splitting and Combining Light and Particle Beam using Moving Mirror
This innovation describes display instrument, interferometer and multi-spectral and polarization camera designs that utilize a beam splitter in a division of time configuration. This invention also includes a novel beam splitter device that splits an incoming light beam into multiple beams and different directions. The beam splitter device also operates...
Published: 8/1/2023
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Laser Generation Apparatus and Sources Using the Same
This technology is an apparatus that uses a chirped pulse laser of wavelength λ1 combined with its second harmonic at λ2 to achieve a sum-frequency λ3. The chirp rate can be determined on a material basis and the process holds for λ2 = λ1/2, λ3 = λ1/3. This is achieved using nonlinear materials and the...
Published: 7/5/2023
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Inventor(s): Yushi Kaneda, Adoum Mahamat
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Flash Lidar with FOV Expansion
This technology is a method of capturing high-resolution images in laser, imaging, detection and ranging (LIDAR) with a 10x increase in field of view using Digital Micromirror Devices (DMDs) and 2D array detectors such as Multi-Pixel Photon Counters (MPPC). It utilizes the receiver field of view expansion technique which was achieved by diffractively...
Published: 5/2/2023
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Inventor(s): Yuzuru Takashima, Jeff Ching-Wen Chan, Xianyue Deng
Keywords(s):
Category(s): Technology Classifications, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Trapped Particle Classification in Additive Manufacturing
This technology is an improvement to a rapid design approach for designing nanophotonic devices. It is a method of optical positioning and linking (OPAL) using highly focused lasers (sometimes called “optical tweezers”) used for nanofabrication of molecules for devices, drugs, and other nano-metamaterials.
Combined with the previous optical...
Published: 9/5/2023
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Inventor(s): Euan Mcleod, Natalie Shultz
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Sensors & Controls > Biologic, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices
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Method For The Efficient Generation Of High Order Hermite Gaussian (HG) Modes In A Laser Cavity
This technology is a method to generate higher order transverse laser modes. This method uses a combination of optical and/or electrical pumps and a VECSEL chip (vertical external cavity surface emitting lasers).
Background:
There are broad range of applications for higher-order lasers. However, due to low output power and/or large device size the...
Published: 4/3/2023
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Inventor(s): Chris Hessenius, Mahmoud Fallahi, Michal Lukowski
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Real Time CGH Calculation and Beam Tracking
This technology is a new method of steering laser beams in LiDAR systems. Based upon live camera information, it creates a computer generated hologram (CGH) used to focus the LiDAR scans on specific areas of interest, improving real-time detection and tracking of important objects in the field of view.
Background:
Light Detection and Ranging, or LiDAR,...
Published: 4/3/2023
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Inventor(s): Yuzuru Takashima, Chin-I Tang, Xianyue Deng
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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System for Figuring Thin Mirrors Using Ultrashort Laser Pulses
The inventors have developed an optical system, laser spot position determination process, and calibration process for deterministically figuring thin mirrors by creating stress inside the glass substrate (or other material transparent to the laser beam wavelength) using an ultrashort pulsed (USP) laser. This process is especially useful for low spatial...
Published: 4/3/2023
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Inventor(s): Brandon Chalifoux, Ian Arnold, Kevin Laverty
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO, Technology Classifications > Imaging & Optics > Lens & System Design
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