Dr. Angel S. Flores Profile

Dr. Angel S. Flores

Research Scientist at Air Force Research Lab

SPIE Involvement:

Conference Program Committee | Author

Publications (26)

Proceedings Article | 11 April 2024 Presentation + Paper

Presentation + Paper

Beam-combinable high-power fiber laser sources for directed energy applications

Roger Holten, Angel Flores, Thomas Ehrenreich, Brian Anderson, Iyad Dajani

Proceedings Volume 12939, 129390E (2024) https://doi.org/10.1117/12.3013096

KEYWORDS: Polarization, Modulators, Diffractive optical elements, Fiber amplifiers, Beam path, Polarization control, Polarizers, Free space, Directed energy weapons, Control systems, Coherent beam combination, Phase modulation, Phase matching, Beam combiners

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Proceedings Article | 15 March 2023 Presentation + Paper

Presentation + Paper

Laser cooling silica: current status and future prospects

Brian Topper, Alexander Neumann, Alexander Albrecht, Angel Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, Arash Mafi

Proceedings Volume 12437, 1243703 (2023) https://doi.org/10.1117/12.2655228

KEYWORDS: Ytterbium, Silica, Fluorescence, Glasses, Aluminum, Spectroscopy, Emission wavelengths, Air force, Absorption, Temperature metrology

Read Abstract +

Proceedings Article | 9 March 2022 Presentation

Presentation

Advances in the optical refrigeration of silica: cooling by 18 K from room temperature

Brian Topper, Mostafa Peysokhan, Alexander Albrecht, Angel Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, Arash Mafi

Proceedings Volume PC12018, PC1201808 (2022) https://doi.org/10.1117/12.2610103

KEYWORDS: Silica, Optical fibers, Ytterbium, Temperature metrology, Thermometry, Optical amplifiers, Luminescence, High power fiber amplifiers, Glasses, Cameras

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Proceedings Article | 4 March 2022 Presentation + Paper

Presentation + Paper

Mode instability in kW-class thulium doped fiber amplifiers

Brian Anderson, Abraham Taliaferro, Angel Flores

Proceedings Volume 11981, 119810Y (2022) https://doi.org/10.1117/12.2605409

KEYWORDS: Fiber amplifiers, Thulium, Optical amplifiers, Cladding, Solids, Scattering, Polarization, Ytterbium

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Proceedings Article | 4 March 2022 Presentation

Presentation

Anti-Stokes fluorescence cooling of ytterbium doped silica glass for radiation-balanced fiber lasers

Brian Topper, Mostafa Peysokhan, Alexander Albrecht, Angel Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, Arash Mafi

Proceedings Volume PC11981, PC119810N (2022) https://doi.org/10.1117/12.2615241

KEYWORDS: Fiber lasers, Silica, Ytterbium, Luminescence, Glasses

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Proceedings Article | 4 March 2022 Presentation

Presentation

High power, narrow linewidth, 1um fiber amplifiers for directed energy

Angel Flores

Proceedings Volume PC11981, PC119810F (2022) https://doi.org/10.1117/12.2615654

KEYWORDS: Fiber amplifiers, Directed energy weapons

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SPIE Journal Paper | 13 March 2021 Open Access

Open Access

Origins Space Telescope: trades and decisions leading to the baseline mission concept

David Leisawitz, Edward Amatucci, Lynn Allen, Jonathan Arenberg, Lee Armus, Cara Battersby, James Bauer, Ray Bell, Dominic Benford, Edwin Bergin, Jeffrey Booth, Charles Bradford, Damon Bradley, Sean Carey, Ruth Carter, Asantha Cooray, James Corsetti, Larry Dewell, Michael DiPirro, Bret Drake, Matthew East, Kimberly Ennico, Greg Feller, Angel Flores, Jonathan Fortney, Zachary Granger, Thomas Greene, Joseph Howard, Tiffany Kataria, John Knight, Charles Lawrence, Paul Lightsey, John Mather, Margaret Meixner, Gary Melnick, Craig McMurtry, Stefanie Milam, Samuel Moseley, Desika Narayanan, Alison Nordt, Deborah Padgett, Klaus Pontoppidan, Alexandra Pope, Gerard Rafanelli, David Redding, George Rieke, Thomas Roellig, Itsuki Sakon, Carly Sandin, Karin Sandstrom, Anita Sengupta, Kartik Sheth, Lawrence Sokolsky, Johannes Staguhn, John Steeves, Kevin Stevenson, Kate Su, Joaquin Vieira, Cassandra Webster, Martina Wiedner, Edward Wright, Chi Wu, David Yanatsis, Jonas Zmuidzinas, the Origins Space Telescope Mission Concept Study Team

JATIS, Vol. 7, Issue 01, 011014, (March 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.1.011014

KEYWORDS: Space telescopes, Telescopes, James Webb Space Telescope, Mirrors, Optical instrument design, Astronomy, Space operations, Cryogenics, Aerospace engineering, Cryocoolers

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Proceedings Article | 5 March 2021 Presentation + Paper

Presentation + Paper

1.1 kW, beam-combinable thulium doped all-fiber amplifier

Brian Anderson, Joel Solomon, Angel Flores

Proceedings Volume 11665, 116650B (2021) https://doi.org/10.1117/12.2576209

KEYWORDS: Thulium, Fiber amplifiers, Optical fibers, Optical amplifiers, Diodes, Modulation, Scattering, Phase shift keying, Ions, Defense technologies

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Proceedings Article | 5 March 2021 Presentation + Paper

Presentation + Paper

SBS suppression techniques in high-power, narrow-linewidth fiber amplifiers

Brian Anderson, Kenneth MacDonald, Abraham Taliaferro, Angel Flores

Proceedings Volume 11665, 116650G (2021) https://doi.org/10.1117/12.2588427

Read Abstract +

Proceedings Article | 5 March 2021 Presentation

Presentation

Anti-Stokes fluorescence cooling of a Yb-doped silica glass preform using a high-power laser

Esmaeil Mobini, Saeid Rostami, Mostafa Peysokhan, Alexander Albrecht, Stefan Kuhn, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Ramona Eberhardt, Angel Flores, Andreas Tünnermann, Mansoor Sheik-Bahae, Arash Mafi

Proceedings Volume 11702, 1170208 (2021) https://doi.org/10.1117/12.2579925

KEYWORDS: Silica, Glasses, Luminescence, High power lasers, Optical fibers, Optical amplifiers, High power fiber amplifiers, Absorption, High power fiber lasers, Fiber lasers

Read Abstract +

Proceedings Article | 7 March 2017 Presentation + Paper

Presentation + Paper

SBS suppression and coherence properties of a flat top optical spectrum in a high power fiber amplifier

Brian Anderson, Rongqing Hui, Angel Flores, Iyad Dajani

Proceedings Volume 10083, 100830V (2017) https://doi.org/10.1117/12.2252380

KEYWORDS: Fiber amplifiers, Radio optics, Phase modulation, Optical filters, Coherence (optics), High power fiber amplifiers, Modulation, Visibility, Optical amplifiers, Heterodyning

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SPIE Journal Paper | 2 September 2016 Open Access

Open Access

Multi-kilowatt diffractive coherent combining of pseudorandom-modulated fiber amplifiers

Angel Flores, Iyad Dajani, Roger Holten, Thomas Ehrenreich, Brian Anderson

OE, Vol. 55, Issue 09, 096101, (September 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.9.096101

KEYWORDS: Fiber amplifiers, Diffractive optical elements, Optical amplifiers, Polarization, Beam splitters, Phase modulation, High power fiber amplifiers, Modulation, Phase shift keying, Signal attenuation

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Proceedings Article | 11 March 2016 Paper

Paper

Multi-kW coherent combining of fiber lasers seeded with pseudo random phase modulated light

Angel Flores, Thomas Ehrehreich, Roger Holten, Brian Anderson, Iyad Dajani

Proceedings Volume 9728, 97281Y (2016) https://doi.org/10.1117/12.2213423

KEYWORDS: Fiber amplifiers, Diffractive optical elements, Optical amplifiers, Modulation, Fiber lasers, Phase modulation, Dielectric polarization, Diffraction

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Proceedings Article | 9 March 2016 Paper

Paper

Kilowatt high-efficiency narrow-linewidth monolithic fiber amplifier operating at 1034 nm

Nader Naderi, Angel Flores, Brian Anderson, Ken Rowland, Iyad Dajani

Proceedings Volume 9728, 972803 (2016) https://doi.org/10.1117/12.2211803

KEYWORDS: Fiber amplifiers, Optical amplifiers, Phase modulation, Clocks, Modulation, High power fiber amplifiers, Amplifiers, Oscillators, Linear filtering, Beam quality measurement

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Proceedings Article | 9 March 2016 Paper

Paper

Multi-kilowatt power scaling and coherent beam combining of narrow-linewidth fiber lasers

Iyad Dajani, Angel Flores, Roger Holten, Brian Anderson, Benjamin Pulford, Thomas Ehrenreich

Proceedings Volume 9728, 972801 (2016) https://doi.org/10.1117/12.2218216

KEYWORDS: Modulation, Amplifiers, Clocks, Ytterbium, Cladding

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Proceedings Article | 9 March 2016 Paper

Paper

Kilowatt-level narrow-linewidth monolithic fiber amplifier based on laser gain competition

Nader Naderi, Angel Flores, Brian Anderson, Iyad Dajani

Proceedings Volume 9728, 972804 (2016) https://doi.org/10.1117/12.2211815

KEYWORDS: Fiber amplifiers, Phase modulation, Fiber lasers, Scattering, Modulation, Phase shift keying, Clocks, Laser damage threshold, Amplifiers

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Proceedings Article | 20 March 2015 Paper

Paper

Beam combining and SBS suppression in white noise and pseudo-random modulated amplifiers

Brian Anderson, Angel Flores, Roger Holten, Thomas Ehrenreich, Iyad Dajani

Proceedings Volume 9344, 93441U (2015) https://doi.org/10.1117/12.2082713

KEYWORDS: Modulation, Fiber amplifiers, Phase modulation, Visibility, Phase shift keying, Optical amplifiers, Fiber lasers, Clocks, Binary data, Laser scattering

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Proceedings Article | 7 March 2014 Paper

Paper

Experimental study of SBS suppression via white noise phase modulation

Brian Anderson, Craig Robin, Angel Flores, Iyad Dajani

Proceedings Volume 8961, 89611W (2014) https://doi.org/10.1117/12.2043107

KEYWORDS: Phase modulation, Modulation, Fiber amplifiers, Fiber lasers, Optical amplifiers, Linear filtering, Laser scattering, High power fiber amplifiers, Optical fibers, Electro optical modeling

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Proceedings Article | 20 February 2014 Paper

Paper

Investigations of SBS and laser gain competition in high-power phase modulated fiber amplifiers

Angel Flores, Iyad Dajani, Dane Hult, Craig Robin

Proceedings Volume 8964, 89640R (2014) https://doi.org/10.1117/12.2044196

KEYWORDS: Fiber amplifiers, Modulation, Fiber lasers, Phase modulation, Phase shift keying, Optical amplifiers, Laser damage threshold, Ytterbium, Frequency combs, Light scattering

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Proceedings Article | 22 March 2013 Paper

Paper

Pseudo-random binary sequency phase modulation in high power Yb-doped fiber amplifiers

Craig Robin, Iyad Dajani, Clint Zernigue, Angel Flores, Ben Pulford, Ann Lanari, Shadi Naderi

Proceedings Volume 8601, 86010Z (2013) https://doi.org/10.1117/12.2004486

KEYWORDS: Modulation, Fiber amplifiers, Phase modulation, Acoustics, Phase shift keying, Amplifiers, Phonons, Signal processing, Laser scattering, Fiber lasers

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Proceedings Article | 15 March 2013 Paper

Paper

Experimental and theoretical investigations of single-frequency Raman fiber amplifiers operating at 1178 nm

Iyad Dajani, Christopher Vergien, Benjamin Ward, Craig Robin, Shadi Naderi, Angel Flores, Jean-Claude Diels

Proceedings Volume 8604, 86040N (2013) https://doi.org/10.1117/12.2006946

KEYWORDS: Radiofrequency ablation, Raman spectroscopy, Fiber amplifiers, Wavelength division multiplexing, Phase modulation, Fiber lasers, Sodium, Second-harmonic generation, Amplifiers, Optical amplifiers

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Proceedings Article | 26 February 2013 Paper

Paper

Active coherent superposition of five fiber amplifiers at 670W using multiplexed volume Bragg grating

Chunte Lu, Angel Flores, Erik Bochove, William Roach, Vadim Smirnov, Leonid Glebov

Proceedings Volume 8601, 86011A (2013) https://doi.org/10.1117/12.2001854

KEYWORDS: Fiber lasers, Diffraction gratings, Fiber amplifiers, Fiber Bragg gratings, Multiplexing, Optical amplifiers, Diffraction, Beam splitters, Mode locking, Polarization

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Proceedings Article | 22 May 2012 Paper

Paper

Experimental and theoretical studies of phase modulation in Yb-doped fiber amplifiers

Angel Flores, Chunte Lu, Craig Robin, Shadi Naderi, Christopher Vergien, Iyad Dajani

Proceedings Volume 8381, 83811B (2012) https://doi.org/10.1117/12.921704

KEYWORDS: Modulation, Phase modulation, Fiber amplifiers, Phase shift keying, Fermium, Frequency modulation, Acoustics, Fiber lasers, Phonons, Scattering

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Proceedings Article | 18 February 2009 Paper

Paper

Channel waveguide fabrication via microtransfer molding and microfluidic technique

Sarfaraz Baig, Bing Chen, Angel Flores, Sangyup Song, Michael Wang

Proceedings Volume 7221, 72210L (2009) https://doi.org/10.1117/12.810554

KEYWORDS: Waveguides, Microfluidics, Channel waveguides, Lithography, Fabrication, Ultraviolet radiation, Wave propagation, Polymers, Polymer multimode waveguides, Signal attenuation

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SPIE Journal Paper | 1 January 2007

Diffractive infrared lens with extended depth of focus

Zhiqiang Liu, Angel Flores, Michael Wang, Jianwen Yang

OE, Vol. 46, Issue 01, 018002, (January 2007) https://doi.org/10.1117/12.10.1117/1.2430506

KEYWORDS: Infrared imaging, Germanium, Infrared lenses, Infrared radiation, Photoresist materials, Diffractive optical elements, Image resolution, Lens design, Etching, Reactive ion etching

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Proceedings Article | 31 May 2005 Paper

Paper

Infrared imaging lens with extended depth of focus

Zhiqiang Liu, Angel Flores, Michael Wang, Jame Yang

Proceedings Volume 5783, (2005) https://doi.org/10.1117/12.602990

KEYWORDS: Photoresist materials, Germanium, Infrared imaging, Imaging systems, Diffractive optical elements, Infrared radiation, Etching, Visible radiation, Optical design, Gas lasers

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Showing 5 of 26 publications

Conference Committee Involvement (13)

Fiber Lasers XXII: Technology and Systems

25 January 2025 | San Francisco, California, United States

Optical Components and Materials XXII

25 January 2025 | San Francisco, California, United States

Fiber Lasers XXI: Technology and Systems

29 January 2024 | San Francisco, California, United States

Optical Components and Materials XXI

29 January 2024 | San Francisco, California, United States

Fiber Lasers XX: Technology and Systems

30 January 2023 | San Francisco, California, United States

Showing 5 of 13 Conference Committees

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