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Search Results - khanh+kieu
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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 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: CARS is a form of spectroscopy used primarily in chemistry, physics, and related...
Published: 7/26/2024
|
Inventor(s):
Khanh Kieu
,
Yukun Qin
Keywords(s):
Category(s):
Technology Classifications > Engineering & Physical Sciences > Photonics
,
Technology Classifications > Imaging & Optics > Lasers & Other Sources
Bidirectional Mode-locked Fiber Laser for Dual Comb Spectroscopy
Researchers at the University of Arizona have developed a free-running bidirectional mode-locked fiber laser operating at telecommunications wavelengths. Two coherent femtosecond frequency combs are generated from a single laser cavity to ensure mutual coherent properties and common noise cancellation. Background: Optical frequency combs (OFCs) are...
Published: 4/3/2023
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Inventor(s):
Khanh Kieu
Keywords(s):
Category(s):
Technology Classifications > Imaging & Optics > Lasers & Other Sources
,
Technology Classifications > Imaging & Optics > Fiber Optics
,
Technology Classifications > Engineering & Physical Sciences > Photonics
SHG Imaging Technique for Assessing Hybrid EO Polymer/Silicon Photonic Integrated Circuits
Scientists at the University of Arizona have developed a system for assessing the efficiency of the electro-optic (EO) polymer poling process by using multi-photon imaging in the second harmonic generation mode (SHG), permitting imaging and assessment of waveguide devices, including poled polymer devices, prior to, during, and after fabrication. This...
Published: 4/3/2023
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Inventor(s):
Robert Norwood
,
Khanh Kieu
,
Roland Himmelhuber
Keywords(s):
electro-optic polymer
,
hybrid photonic integrated circuits
,
SHG imaging
,
silicon photonics
Category(s):
Technology Classifications > Imaging & Optics
,
Technology Classifications > Imaging & Optics > Sensors and Detection
,
Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection
High Efficient Continuous Wave and Mode-Locked Lasers Powered by Solar Energy
Faculty at the University of Arizona have developed a compact, efficient solar-powered laser that uses triple junction photovoltaic cells to power semiconductor and mode-locked lasers. Existing solar-pumped lasers use an arc-metal-halide lamp pump that requires bulky concentrating optics and is power inefficient. By using a triple junction photovoltaic...
Published: 8/1/2024
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Inventor(s):
Stanley Pau
,
Khanh Kieu
,
Stanley Johnson
Keywords(s):
energy conversion
,
mode-locked laser
,
semiconductor laser
,
solar photovoltaic
Category(s):
Technology Classifications > Engineering & Physical Sciences
Fiber-Based Bidirectional Optical Parametric Oscillator for Precision Sensing
Researchers at the University of Arizona have developed an all-fiber, synchronously pumped, bidirectional optical parametric oscillator (OPO) for precision sensing applications. The all-fiber design removes the need for free-space alignment and adjustment. The design overcomes the limitations of existing laser gyros by increasing the sensing area for...
Published: 1/10/2024
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Inventor(s):
Khanh Kieu
Keywords(s):
Category(s):
Technology Classifications > Imaging & Optics > Sensors and Detection