Search Results - laser

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High Peak Power (≥ 10 mW) Quantum Cascade Superluminescent Emitter

Princeton Docket # 15-3101-1Researchers in the Department of Electrical Engineering at Princeton University have developed a novel Quantum Cascade (QC) device to emit mid-infrared (mid-IR) superluminescent light with high power output. The high power superluminescent light has applications in mid-IR broadband absorption spectroscopy and mid-IR optical...

Published: 3/30/2022 | Inventor(s): Nyan Aung, Mei Chai Zheng, Claire Gmachl

Keywords(s): laser

Category(s): Mechanical/Electrical Engineering

Multi-Harmonic Inline Reference Cell for Optical Trace Gas Sensing

Multi-Harmonic Inline Reference Cell for Optical Trace Gas Sensing US Patent 2014/0049777 A1 - Issued 20 February 2014: https://www.google.com/patents/US20140049777?dq=2014/0049777&hl=en&sa=X&ei=KjyHU46NFdPesATwkIGAAw&ved=0CDUQ6AEwAA

Published: 5/13/2024 | Inventor(s): Kang Sun, Lei Tao, David Miller, Mohammad Khan, Mark Zondlo

Keywords(s): aerospace, gas sensing, laser, Opto-Electronics/ELE ENG

Category(s): Mechanical/Electrical Engineering

Graphene Excitable Laser for Photonic Spike Processing

Graphene Excitable Laser Princeton Docket # 14-2965 Researchers in the Department of Electrical Engineering at Princeton University have demonstrated a novel excitable laser employing passively Q-switching with a graphene-based saturable absorber (SA). Princeton is seeking an industry collaborator to commercialize this technology. Graphene, a...

Published: 7/30/2024 | Inventor(s): Bhavin Shastri, Mitchell Nahmias, Alexander Tait, Paul Prucnal

Keywords(s): defense, laser, neuroscience, Opto-Electronics/ELE ENG

Category(s): Mechanical/Electrical Engineering

Noninvasive Mid-Infrared In Vivo Glucose Sensor

Noninvasive Mid-infrared in vivo Glucose Sensor Princeton Docket # 14-2945 Researchers in the Department of Electrical Engineering at Princeton University have developed a novel, noninvasive method to measure blood glucose levels. Development of this noninvasive in vivo glucose sensor may improve the quality of life for the more than 343 million...

Published: 11/12/2025 | Inventor(s): Sabbir Liakat, Claire Gmachl, Anna Michel

Keywords(s): biomarker/diagnostic, diabetes, laser, life science research tools, medical device

Category(s): Biotechnology/Pharmaceuticals, Medical Devices/Diagnostics, Mechanical/Electrical Engineering

Novel Chalcogenide Materials with Controllable Light Radiation Response Feature

Novel Chalcogenide Materials with Controllable Light Radiation Response Feature Princeton Docket # 13-2839-1 Chalcogenide glass materials exhibit a variety of optical properties that make them desirable for near and mid-infrared communications and sensing applications. To address the pressing need for optical components fabricated from material that...

Published: 3/30/2022 | Inventor(s): Craig Arnold, Chao Lu

Keywords(s): Chemistry, Imaging, laser

Category(s): Chemistry, Mechanical/Electrical Engineering, Materials

Novel Mid-infrared Compatible Chalcogenide Structure Materials

Novel Mid-infrared Compatible Chalcogenide Structure Materials Princeton Docket # 12-2828-1 The mid-infrared spectral region (3-12um) is a newcomer in the beam combining technology field gaining increasing attention. The emergence of commercially available semi-conductor lasers operating at room temperatures and at any wavelength in the mid-infrared...

Published: 3/30/2022 | Inventor(s): Craig Arnold, Yunlai Zha

Keywords(s): Chemistry, Imaging, laser

Category(s): Chemistry, Mechanical/Electrical Engineering, Materials

Highly Sensitive Trace-Gas Sensing Method Based on Laser Spectroscopic Sensing of Anomalous Molecular/Atomic Dispersion

Princeton Docket # 10-2584-1 Researchers from Princeton University and the STFC Rutherford Appleton Laboratory (UK) have developed a novel method of high sensitivity molecular detection based on detection of refractive index changes around the absorption line. This method employs heterodyne interferometric measurement with a frequency...

Published: 4/10/2025 | Inventor(s): Gerard Wysocki, Damien Weidmann

Keywords(s): gas sensing, laser, Opto-Electronics/ELE ENG

Category(s): Medical Devices/Diagnostics, Mechanical/Electrical Engineering

Novel Methods for Chalcogenide Waveguide Fabrication on Curved Substrates

Princeton Docket # 11-2657 Charcogenide glass materials exhibit a variety of optical properties that make them desirable for near- and mid-infrared communications and sensing applications. However, processing limitations for these photorefractive materials have made the direct integration of waveguides with sources or detectors challenging. Present...

Published: 3/30/2022 | Inventor(s): Craig Arnold, Yunlai Zha, Candice Tsay

Keywords(s): laser, Opto-Electronics/ELE ENG

Category(s): Mechanical/Electrical Engineering