Search Results - "Charsley, Jake M."
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Compressive hyperspectral imaging in the molecular fingerprint band
Published in Optics express (09-05-2022)“…Spectrally-resolved imaging provides a spectrum for each pixel of an image that, in the mid-infrared, can enable its chemical composition to be mapped by…”
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Journal Article -
2
A decade of astrocombs: recent advances in frequency combs for astronomy
Published in Optics express (26-06-2017)“…A new regime of precision radial-velocity measurements in the search for Earth-like exoplanets is being facilitated by high-resolution spectrographs calibrated…”
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Journal Article -
3
Cross-dispersion spectrograph calibration using only a laser frequency comb
Published in Optics express (17-06-2024)“…High-resolution cross-dispersion spectrographs are widely used in spectroscopy, but the two-dimensional format of the spectrum requires sophisticated…”
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Journal Article -
4
Broadband Fourier-transform spectrometer enabling modal subset identification in Fabry-Pérot-based astrocombs
Published in Optics express (07-08-2017)“…A multi-GHz frequency comb (astrocomb) is typically realized by filtering modes of a sub-GHz frequency comb (source comb) in a Fabry-Pérot etalon, which can…”
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Journal Article -
5
Reflecting the past, imag(in)ing the past: macro-reflection imaging of painting materials by fast MIR hyperspectral analysis
Published in European physical journal plus (22-05-2023)“…Imaging spectroscopy has been developed in the last two decades in the visible and infrared spectral range for detecting pigments and binders on paintings. The…”
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Journal Article -
6
Full-Field Hyperspectral Imaging of a Painting in the Mid-Infrared
Published in 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (26-06-2023)“…Hyperspectral imaging (HSI) offers per-pixel spectroscopy of a scene. Applications in cultural heritage using visible- and near-infrared sources have seen…”
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Conference Proceeding -
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Continuous Wavelength Tuning Across 3.9-12.0 μm From a 1040-nm-Pumped Optical Parametric Oscillator Based On Orientation-Patterned GaP Grown On GaAs
Published in 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (21-06-2021)“…Orientation-patterned gallium phosphide [1] (OPGaP) is a wide-bandgap material enabling two-photonabsorption-free pumping using 1040-nm Yb-lasers, and such…”
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Conference Proceeding -
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Comb-Mode-Resolving Broadband Fourier Transform Spectroscopy
Published 01-01-2018“…This report demonstrates progress made to develop a robust turn-key astrocomb architecture for the calibration package of the HIRES spectrograph planned for…”
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Dissertation -
9
Mid-Infrared Optical Coherence Tomography with an OP-GaP Optical Parametric Oscillator
Published in 2024 Conference on Lasers and Electro-Optics (CLEO) (05-05-2024)“…We demonstrate mid-infrared time-domain OCT with an OP-GaP optical parametric oscillator. Broadband spectra tunable from 5-11 \mu \mathrm{m} provide reduced…”
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Conference Proceeding -
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High-Speed Compressive Spectroscopy at 3.3 µm by Spectral Shaping with a Digital Micromirror Device
Published in 2022 Conference on Lasers and Electro-Optics (CLEO) (01-05-2022)“…We demonstrate compressive spectroscopy at 3.3 µm by projecting a sparse set of spectra shaped by a digital micromirror device. Acquisition at 280 Hz is…”
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Conference Proceeding -
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Fast Long-Wave Infrared Hyperspectral Imaging for Technical Art History
Published in 2023 Conference on Lasers and Electro-Optics (CLEO) (01-05-2023)“…We demonstrate material classification of painted cultural heritage using a novel full-field, 700-1400-cm -1 Fourier-transform spectrometer, enabling fast,…”
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Conference Proceeding -
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Compressive Spectroscopic Long-Wave Infrared Imaging
Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01-05-2021)“…We report compressive spectroscopic imaging from 7-12 µm with a 4 cm −1 optical resolution, sampled at 25% of the Nyquist rate. Compressed measurements of…”
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Conference Proceeding -
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Compressive Spectroscopic Long-Wave Infrared Imaging
Published in 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (21-06-2021)“…Imaging Fourier transform spectroscopy (IFTS) is an established tool for spectroscopic applications due to its high-throughput, inherently broadband and…”
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Conference Proceeding -
14
Continuous Wavelength Tuning Across 3.9-12.0 µm From a 1040-nm-Pumped Optical Parametric Oscillator Based On Orientation-Patterned GaP Grown On GaAs
Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01-05-2021)“…We report the first nonlinear frequency conversion-specifically optical parametric oscillation-in OPGaP layers grown by hydride vapor-phase epitaxy on OPGaAs…”
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Conference Proceeding