Search Results - "Gattass, Rafael R"

Femtosecond laser micromachining in transparent materials by Gattass, Rafael R, Mazur, Eric

“…Femtosecond laser micromachining can be used either to remove materials or to change a material's properties, and can be applied to both absorptive and…”
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Subwavelength-diameter silica wires for low-loss optical wave guiding by Mazur, Eric, Tong, Limin, Gattass, Rafael R, Ashcom, Jonathan B, He, Sailing, Lou, Jingyi, Shen, Mengyan, Maxwell, Iva

“…Silica waveguides with diameters larger than the wavelength of transmitted light are widely used in optical communications, sensors and other applications…”
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Assembly of Silica Nanowires on Silica Aerogels for Microphotonic Devices by Tong, Limin, Lou, Jingyi, Gattass, Rafael R, He, Sailing, Chen, Xuewen, Liu, Mazur, Eric

“…We report on the assembly of low-loss silica nanowires into functional microphotonics devices on a low-index nondissipative silica aerogel substrate. Using…”
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Interfacial Organization of Acetonitrile: Simulation and Experiment by Ding, Feng, Hu, Zhonghan, Zhong, Qin, Manfred, Katherine, Gattass, Rafael R, Brindza, Michael R, Fourkas, John T, Walker, Robert A, Weeks, John D

“…Molecular dynamics simulations and vibrational sum frequency generation (VSFG) experiments in the methyl-stretching spectral region have been used to study…”
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Faraday rotation in femtosecond laser micromachined waveguides by Shih, Tina, Gattass, Rafael R, Mendonca, Cleber R, Mazur, Eric

“…We demonstrate magneto-optic switching in femtosecond-laser micromachined waveguides written inside bulk terbium-doped Faraday glass. By measuring the…”
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Achieving λ/20 Resolution by One-Color Initiation and Deactivation of Polymerization by Li, Linjie, Gattass, Rafael R, Gershgoren, Erez, Hwang, Hana, Fourkas, John T

“…In conventional photolithography, diffraction limits the resolution to about one-quarter of the wavelength of the light used. We introduce an approach to…”
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Low-loss, robust fusion splicing of silica to chalcogenide fiber for integrated mid-infrared laser technology development by Thapa, Rajesh, Gattass, Rafael R, Nguyen, Vinh, Chin, Geoff, Gibson, Dan, Kim, Woohong, Shaw, L Brandon, Sanghera, Jasbinder S

“…We demonstrate a low-loss, repeatable, and robust splice between single-mode silica fiber and single-mode chalcogenide (CHG) fiber. These splices are…”
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Infrared glass-based negative-curvature anti-resonant fibers fabricated through extrusion by Gattass, Rafael R, Rhonehouse, Daniel, Gibson, Daniel, McClain, Collin C, Thapa, Rajesh, Nguyen, Vinh Q, Bayya, Shyam S, Weiblen, R Joseph, Menyuk, Curtis R, Shaw, L Brandon, Sanghera, Jasbinder S

“…Negative curvature fibers have been gaining attention as fibers for high power infrared light. Currently, these fibers have been made of silica glass and…”
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All fiber watt-level fiber source at 760 nm generated through four-wave mixing in a photonic crystal fiber by Gattass, Rafael R, Rhonehouse, Daniel L, Shaw, L Brandon, Chin, Geoffrey D, Carlson, Augustus X, Bayya, Shyam S, Sanghera, Jasbinder S

“…There are limited fiber-based single-mode laser sources over the visible and near infrared range. Nonlinear conversion through four-wave mixing in photonic…”
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Micromachining of bulk glass with bursts of femtosecond laser pulses at variable repetition rates by Gattass, Rafael R, Cerami, Loren R, Mazur, Eric

“…Oscillator-only femtosecond laser micromachining enables the manufacturing of integrated optical components with circular transverse profiles in transparent…”
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Multiphoton photoresists giving nanoscale resolution that is inversely dependent on exposure time by Stocker, Michael P., Li, Linjie, Gattass, Rafael R., Fourkas, John T.

“…Recent advances in materials science have made it possible to perform photolithography at the nanoscale using visible light. One approach to visible-light…”
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Supercontinuum generation in submicrometer diameter silica fibers by Gattass, Rafael R, Svacha, Geoffry T, Tong, Limin, Mazur, Eric

“…Silica nanowires provide strong mode confinement in a cylindrical silica-core/air-cladding geometry and serve a model system for studying nonlinear propagation…”
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Fusion splicing of highly dissimilar YAG crystal fiber and silica fiber with reaction bonding by Thapa, Rajesh, Gibson, Dan, Gattass, Rafael R., Askins, Charles, Kim, Woohong, Bayya, Shyam, Shaw, L. Brandon, Sanghera, Jasbinder S.

“…Splices between materials with dissimilar thermal expansion and melting points are particularly difficult to create. We have developed a method for splicing…”
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Supercontinuum generation in submicrometer diameter silica fibers by Gattass, Rafael R., Svacha, Geoffry T., Tong, Limin, Mazur, Eric

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Optical loss measurements in femtosecond laser written waveguides in glass by Tong, Limin, Gattass, Rafael R., Maxwell, Iva, Ashcom, Jonathan B., Mazur, Eric

“…The optical loss is an important parameter for waveguides used in integrated optics. We measured the optical loss in waveguides written in silicate glass…”
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Optical vibration sensor fabricated by femtosecond laser micromachining by Kamata, Masanao, Obara, Minoru, Gattass, Rafael R., Cerami, Loren R., Mazur, Eric

“…We fabricated an optical vibration sensor using a high-repetition rate femtosecond laser oscillator. The sensor consists of a single straight waveguide written…”
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Chalcogenide fiber based mid-IR sources and applications by Shaw, L. Brandon, Gattass, Rafael R., Busse, Lynda, Frantz, Jesse, Gibson, Daniel, Kung, Fred H., Thapa, Rajesh, Sanghera, Jasbinder S.

“…In the visible and near-IR, silica fiber high power lasers, amplifiers, fiber combiners, couplers, fiber optic switches and attenuators have demonstrated…”
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All-fiber chalcogenide-based mid-infrared supercontinuum source by Gattass, Rafael R., Brandon Shaw, L., Nguyen, V.Q., Pureza, P.C., Aggarwal, Ishwar D., Sanghera, Jasbinder S.

“…► An all-fiber mid-infrared supercontinuum source emitting over 1.9–4.8μm. ► The laser includes commercial off-the-shelf parts and a chalcogenide fiber. ►…”
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Broadband Watt-Level Mid-Infrared Fiber-Coupled Variable Optical Attenuator by Gattass, Rafael R., Shaw, Leslie Brandon, Sanghera, Jasbinder Singh

“…Direct intensity modulation of laser systems in the mid-infrared is marred by instabilities in power output, emission wavelength, and mode profile. In…”
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High resolution 3-D laser direct-write patterning by Linjie Li, Gattass, Rafael R, Stocker, Michael, Gershgoren, Erez, Hwang, Hana, Fourkas, John T

“…Resolution Augmentation through Photo-Induced Deactivation (RAPID) lithography makes possible the creation of features that far smaller than the wavelength of…”
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