Dr. Rafael R. Gattass Profile

Dr. Rafael R. Gattass

at US Naval Research Lab

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 12 March 2024 Paper

All-spliced 11.3 W four-wave mixing fiber source at 760 nm

Patrick Hemmer, Rafael Gattass, Daniel Rhonehouse, L. Brandon Shaw, Geoffrey Chin, Augustus Carlson, Shyam Bayya, Jasbinder Sanghera

Proceedings Volume 12865, 128650M (2024) https://doi.org/10.1117/12.3004758

KEYWORDS: Photonic crystal fibers, Visible radiation, Four wave mixing, Fiber lasers

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Proceedings Article | 9 March 2024 Presentation

Measurement of dispersion uniformity of photonic crystal fibers using white light interferometry

Timothy Lim, Daniel Rhonehouse, Geoffrey Chin, Rafael Gattass, Lynda Busse, L. Brandon Shaw, Michelle Sander

Proceedings Volume PC12882, PC128820J (2024) https://doi.org/10.1117/12.2692997

KEYWORDS: Dispersion, Photonic crystal fibers, Optical interferometry, Fabrication, Tolerancing, Phase measurement, Materials properties

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Proceedings Article | 8 March 2024 Presentation + Paper

Dual fiber laser pumped tunable mid-infrared laser source with high speed modulation

Augustus Carlson, Rafael Gattass, L. Brandon Shaw, Patrick Hemmer, Jasbinder Sanghera, David Szymanski, Chester Haag, Sandra Brusiloff, Pliny Hawthorn

Proceedings Volume 12882, 1288206 (2024) https://doi.org/10.1117/12.3008315

KEYWORDS: Modulation, Difference frequency generation, Mid-IR, Fiber lasers, Tunable lasers, Tunable filters, Mid infrared

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Proceedings Article | 30 May 2022 Presentation + Paper

Watt-level 2150 nm fiber laser

Rafael Gattass, Augustus Carlson, Colin Baker, Daniel Rhonehouse, E. Joseph Friebele, L. Brandon Shaw, Jasbinder Sanghera

Proceedings Volume 12092, 1209209 (2022) https://doi.org/10.1117/12.2633143

KEYWORDS: Fiber lasers, Laser systems engineering, Holmium, Thulium, Fiber Bragg gratings, Semiconductor lasers, Reflectivity, Diodes, Laser development, Laser damage threshold

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Proceedings Article | 23 May 2018 Paper

Enabling standoff detection of hazardous materials using a fiber optic coupled quantum cascade infrared laser system

Kenneth Ewing, Kevin Major, Jasbinder Sanghera, Rafael Gattass, L. Brandon Shaw, Lynda Busse, David Arnone, Enrique Lopez, Michael Pushkarsky, Justin Kane, Rhea Clewes, Linda Lee, Chris Howle

Proceedings Volume 10629, 106290A (2018) https://doi.org/10.1117/12.2304352

KEYWORDS: Quantum cascade lasers, Standoff detection, Explosives, Infrared spectroscopy, Cameras, Optical fibers, Infrared radiation, Long wavelength infrared, Sensors

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Proceedings Article | 5 October 2017 Presentation + Paper

Chalcogenide negative curvature fibers

Curtis Menyuk, Chengli Wei, R. Joseph Weiblen, Jonathan Hu, Rafael Gattass, L. Brandon Shaw, Jasbinder Sanghera

Proceedings Volume 10435, 104350I (2017) https://doi.org/10.1117/12.2279958

KEYWORDS: Optical fibers, Chalcogenides, Optical simulations, Silica, Carbon dioxide lasers, Photonic crystal fibers, Mid-IR

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SPIE Journal Paper | 13 January 2014 Open Access

Bend loss in multimode chalcogenide fiber at infrared wavelengths

Rafael Gattass, Frederic Kung, Lynda Busse, L. Brandon Shaw, Jasbinder Sanghera

OE, Vol. 53, Issue 01, 010502, (January 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.1.010502

KEYWORDS: Multimode fibers, Chalcogenides, Infrared radiation, Cladding, Optical fibers, Signal attenuation, Mid-IR, FT-IR spectroscopy, Packaging, Absorption

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Proceedings Article | 3 June 2011 Paper

Mid-infrared optical fiber Fourier transform infrared spectrometer

Kenneth Ewing, L. Brandon Shaw, Rick Kim, Rafael Gattass, Jas Sanghera, Ish Aggarwal

Proceedings Volume 8018, 80180U (2011) https://doi.org/10.1117/12.883529

KEYWORDS: Optical fibers, FT-IR spectroscopy, Mid-IR, Infrared spectroscopy, Sensors, Interferometers, Chalcogenides, Infrared radiation, Supercontinuum sources, Spectroscopy

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Proceedings Article | 13 May 2011 Paper

IR imaging bundles for HWIL testing

Brandon Shaw, Dan Gibson, Vinh Nguyen, Rafael Gattass, Jas Sanghera, Ishwar Aggarwal

Proceedings Volume 8015, 801503 (2011) https://doi.org/10.1117/12.884536

KEYWORDS: Infrared imaging, Sensors, Projection systems, Infrared sensors, Chalcogenides, Analytical research, Fiber lasers, Imaging arrays, Fiber couplers, Adhesives

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Proceedings Article | 22 February 2011 Paper

All-fiber mid-IR supercontinuum source from 1.5 to 5 µm

L. Brandon Shaw, Rafael Gattass, Jas Sanghera, Ishwar Aggarwal

Proceedings Volume 7914, 79140P (2011) https://doi.org/10.1117/12.877772

KEYWORDS: Dispersion, Mid-IR, Supercontinuum sources, Chalcogenides, Fiber lasers, Raman spectroscopy, Supercontinuum generation, Step index fibers, Optical fibers, Erbium

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Proceedings Article | 5 September 2002 Paper

Submicron and nano-diameter silica wires for optical wave guiding

Limin Tong, R. Gattass, Jingyi Lou, Jonathan Ashcom, Mengyan Shen, Eric Mazur

Proceedings Volume 4923, (2002) https://doi.org/10.1117/12.481726

KEYWORDS: Silica, Waveguides, Near field optics, Scanning electron microscopy, Integrated optics, Physics, Numerical analysis, Optical communications, Aluminum, Nanowires

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Showing 5 of 11 publications

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