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Photonic Arbitrary Waveform Generation And Photonic Synthesis, Peter Delfyet, Christopher Depriest, Tolga Yilmaz
Photonic Arbitrary Waveform Generation And Photonic Synthesis, Peter Delfyet, Christopher Depriest, Tolga Yilmaz
UCF Patents
Photonic arbitrary waveform methods and generation by manipulating the phase-locked longitudinal modes of an approximately 12.4 GHz fundamentally modelocked external-cavity semiconductor laser are demonstrated. Photonically synthesized sine waves (center frequency of approximately 37.2 GHz, linewidth less than approximately 100 Hz, dynamic range approximately 50 dB at approximately 100 Hz resolution bandwidth) and complex, arbitrarily shaped optical/microwave frequency waveforms with instantaneous bandwidths up to approximately 75 GHz are shown. A WDM filter can be used to separate individual longitudinal modes of a modelocked laser. Photonic arbitrary generation occurs through the modulation of individual channels before recombining the channels, followed by amplifying …
Thermocatalytic Co2-Free Production Of Hydrogen And Carbon From Hydrocarbon Fuels, Nazim Muradov
Thermocatalytic Co2-Free Production Of Hydrogen And Carbon From Hydrocarbon Fuels, Nazim Muradov
UCF Patents
This invention relates to a novel process for sustainable CO.sub.2 -free production of hydrogen and carbon by thermocatalytic decomposition (or dissociation, pyrolysis, cracking) of hydrocarbon fuels over carbon-based catalysts in the absence of air and/or water. The process is applicable to any hydrocarbon fuel, including sulfurous fuels. Combination of a catalytic reactor with a gas separation unit allows to produce high purity hydrogen (at least, 99.0 v %) completely free of carbon oxides. In a preferred embodiment, sustainable continuous production of hydrogen and carbon is achieved by both internal and external activation of carbon catalysts. Internal activation of carbon catalyst …
High Efficiency Ceiling Fan Blades, Danny Parker, Bart Hibbs, Guan Su
High Efficiency Ceiling Fan Blades, Danny Parker, Bart Hibbs, Guan Su
UCF Patents
Ceiling fan blades for maximizing air flow at operational speeds of up to approximately 200 revolutions per minute(rpm). The blades have a positive twist at the tip ends of approximately 5 degrees to approximately 10 degrees parallel to the ceiling. The root end of the blades closest to the motor can have a positive twist exceeding that of the tip end and can be approximately 20 to approximately 35 degrees parallel to the ceiling. The ceiling fans can have individual blade lengths of approximately 20 inches and overall spans of up to approximately 52 inches and up to approximately 54 …
Multiwavelength Modelocked Semiconductor Diode Laser, Peter Delfyett, Hong Shi
Multiwavelength Modelocked Semiconductor Diode Laser, Peter Delfyett, Hong Shi
UCF Patents
Single-stripe GaAs/AlGaAs semiconductor optical amplifiers which simultaneously generates from four to more than twenty tunable WDM channels. A four channel version trsnsmits approximately 12 picosecond pulses at approximately 2.5 GHz for an aggregate pulse rate of 100 GHz. Wavelength tuning over 18 nm has been demonstrated with channel spacing ranging from approximately 0.8 nm to approximately 2 nm. A second version uses approximately 20 wavelength channels, each transmitting approximately 12 picosecond pulses at a rate of approximately 600 MHz. A spectral correlation across the multiwavelength spectrum which can be for utilizing single stripe laser diodes as multiwavelength sources in WDM-TDM …
Shroud Nozzle For Gas Jet Control In An Extreme Ultraviolet Light, Roy Mcgregor, Charles Clendening
Shroud Nozzle For Gas Jet Control In An Extreme Ultraviolet Light, Roy Mcgregor, Charles Clendening
UCF Patents
A gas jet nozzle for an extreme-ultraviolet light source, including a housing having a front and back. The housing is coupleable to a primary gas source and a secondary gas source and is adapted to expel primary has and secondary gas from the housing front. The housing has a gas=expelling primary channel located centrally within the housing and a gas-expelling secondary channel proximate the primary channel. The primary channel may be circular and a secondary channel may be annular, surrounding the primary channel. A secondary gas stream expelled from the secondary channel restricts the lateral expansion of a primary gas …
High Temperature Euv Source Nozzle, Roy Mcgregor, Rocco Orsini, Michael Petach
High Temperature Euv Source Nozzle, Roy Mcgregor, Rocco Orsini, Michael Petach
UCF Patents
A nozzle for a laser-plasma EUV radiation source that provides thermal isolation between the nozzle body and the target material flowing therethrough. A target delivery tube is provided that extends through the nozzle body. The delivery tube has an expansion aperture positioned behind an exit collimator of the nozzle body. The delivery tube is made of a low thermal conductivity material, such as stainless steel, and is in limited contact with the nozzle body so that heating of the nozzle body from the plasma does not heat the liquid target material being delivered through the delivery tube. The expansion aperture …
Dispersed Crystallite Up-Conversion Displays, Michael Bass, Hans Jennsen, Alexandra Rapaport
Dispersed Crystallite Up-Conversion Displays, Michael Bass, Hans Jennsen, Alexandra Rapaport
UCF Patents
A two and three dimensional display based on up conversion of near infrared light to the visible. The display medium is a transparent polymer containing particles of crystals doped with Yb.sup.3+ and other rare earth ions. The Yb.sup.3+ ions absorb light from a commercially available diode laser emitting near 975 nm and transfer that energy to the other dopant ions. Using a fluoride crystal host, NaYF.sub.4, co-doped with Tm.sup.3+ ions we obtain blue light at .about.480 nm, with Ho.sup.3+ or Er.sup.3+ ions we obtain green light at .about.550 nm and with Er.sup.3+ we obtain red light at .about.660 nm. The …
Portable Hydrogen Generator-Fuel Cell Apparatus, Nazim Muradov
Portable Hydrogen Generator-Fuel Cell Apparatus, Nazim Muradov
UCF Patents
A compact hydrogen generator is coupled to or integrated with a fuel cell for portable power applications. Hydrogen is produced via thermocatalytic decomposition (cracking, pyrolysis) of hydrocarbon fuels in oxidant-free environment. The apparatus can utilize a variety of hydrocarbon fuels, including natural gas, propane, gasoline, kerosene, diesel fuel, crude oil (including sulfurous fuels). The hydrogen-rich gas produced is free of carbon oxides or other reactive impurities, so it could be directly fed to any type of a fuel cell. The catalysts for hydrogen production in the apparatus are carbon-based or metal-based materials and doped, if necessary, with a sulfur-capturing agent. …
2-Oxo-1, 4-Benzoxazine Compounds For Treatment Of Tuberculosis, Delbert Miles, Elena Goun, Suslonov Michailovich, Saleh Naser, Krasnych Pertrovna
2-Oxo-1, 4-Benzoxazine Compounds For Treatment Of Tuberculosis, Delbert Miles, Elena Goun, Suslonov Michailovich, Saleh Naser, Krasnych Pertrovna
UCF Patents
Compounds belonging to novel classes of 2-oxo-1,4-benzoxazine heterocyclic compounds and their close derivatives, are disclosed along with the surprising use property of these compounds as bacteriostatic agents for humans and non-humans against mycobacteria. These species include: 4-benzoyl-3-benzoyloxy-2-(2-oxo-2H-1,4-benzoxazin-3-yl)pyrido[2,1-c][1,4]b enzoxazin-1,5-dione; and, 2,4,6-trimethylphenyl 2-(3,4-dihydro-2-oxo-2H-1,4-benzoxazin-3-ylidene)-3-p-methoxyphenyl-3-oxo- propanoate.
Genetic Engineering Of Plant Chloroplasts, Henry Daniell, Bruce Mcfadden
Genetic Engineering Of Plant Chloroplasts, Henry Daniell, Bruce Mcfadden
UCF Patents
The present invention provides a method for transforming plants with foreign DNA by introducing foreign DNA into chloroplasts. The invention provides cassettes which introduce genetic elements into chloroplast of target plants. The plants are transformed with the desired phenotype such as herbicide resistance or of other properties. Transformed plants are also disclosed.
Treatment Of Breast Cancer, Delbert Miles, Elena Goun, Elena Goun, Krasnych Pertrovna, Pimenova Valentinovna, Solodnikov Yurjevich, Solodnikov Yyrjevitsh
Treatment Of Breast Cancer, Delbert Miles, Elena Goun, Elena Goun, Krasnych Pertrovna, Pimenova Valentinovna, Solodnikov Yurjevich, Solodnikov Yyrjevitsh
UCF Patents
Compounds of the class of 4-oxo-butenoic acid derivatives are disclosure along with the surprising use property of these compounds as an anti-tumor agents in humans against breast carcinoma, which includes; 2-(N'-Fluoren-9-ylidene-hydrazino)-5,5-dimethyl-4-oxo-hex-enoic acid methyl ester (OF-06), 1-(2,4-Dimethyl-phenyl)-2,4-dihydroxy-3-(4-methyl-benzoyl)-5-oxo-2,5-dihydro-1H-pyrrole-2-carboxylic acid methyl ester (IF-07), 4-(4-Methoxy-phenyl)-2,4-dioxo-3-(phenyk-hydrazono)-butyric acid (3F-10, 4-(4-Chloro-phenyl)-2,4-dioco-3-(phenyl-hydrzono)-butyric acid ehtyl ester (3F-11), 2-Hyroxy-4-oxo-4-(2,3,5,6-tetrafluoro-4-methoxy-phenyl)-but-2-enoic acid (3F-15), and 4, 4-Dihyroxy-5-(4-methyl-benzoyl)-2-phenyl-2,4-dihdro-pyrazol-3-one (3F-16) as well as some novel derivatives of these compounds claimed. The invention also encompasses a class of the compounds with the novel property of anti-tumor activity agains human breast cancer, which includes the following compounds4-(4-Ethoxy-phenyl)-2-(N'-[1-(4-Chloro-phenyl)-ethylidene-hydrazino-2-hydroxy-4-oxo-butyric acid methyl ester (OF-13); 2-{N'-[1-(4-Chloro-phenyl)-ethylidene]-hydrazino]-4-oxo-4-phenyl-but-2-enoic-acid methyl ester (1F-04); amd 4-Chloro-4-(4-ethoxy-phenyl)-2-(fluoren-9-ylidene-hydrazono)-but-3-enoic …
Energy Transfer Concept In Ac/Dc Switch Mode Power Supply With Power Factor Correction, Issa Batarseh, Wei Gu, Weihong Qiu, Wenkai Wu
Energy Transfer Concept In Ac/Dc Switch Mode Power Supply With Power Factor Correction, Issa Batarseh, Wei Gu, Weihong Qiu, Wenkai Wu
UCF Patents
A new innovative concept in AC/DC converter that transfers energy to the output side directly from the input line, rather than from the storage capacitor in power factor correction (PFC) cell during the line voltage exceeds the present value. The new concept is based on providing additional winding coupled to the DC/DC transformer connected to the rectified input side to provide a path for the energy transfer from the line to transfer to the output directly (Boost converter) or to be stored in the output transformer Flyback cell).
High Output Extreme Ultraviolet Source, Rocco Orsini
High Output Extreme Ultraviolet Source, Rocco Orsini
UCF Patents
An EUV source that delivers a laser beam asymmetrical relative to first collection optics. The first collection optics has an opening for the laser beam that is positioned so that the laser beam is directed toward the plasma off-axis relative to the collection optics. Thus, the strongest EUV radiation is not blocked by the target production hardware.
Hybrid Wdm-Tdm Optical Communication And Data Link, Peter Delfyett, Brian Mathason, Hong Shi
Hybrid Wdm-Tdm Optical Communication And Data Link, Peter Delfyett, Brian Mathason, Hong Shi
UCF Patents
A hybrid WDM-TDM optical link employing a hybrid modelocked multi-wavelength semiconductor which provides approximately 4 to approximately 20 wavelength channels that makes possible modulated multiplexed data which when demultiplexed by ultra fast optical demultiplexing provides rates suitable for conventional electronic photo receivers. The link uses single-stripe GaAs/AlGaAs semiconductor optical amplifiers which simultaneously generate from approximately four to more than approximately twenty tunable WDM channels. Diode laser can also include InP, InGaAlP, InGaAsP, InGaP, InGaAs. A four channel version transmits approximately 12 picosecond pulses at approximately 2.5 GHz for an aggregate pulse rate of 100 GHz. When generating approximately 20 wavelength …
Control Method And Circuit To Provide Voltage And Current Regulation For Multiphase Dc/Dc Converters, Issa Batarseh, Jaber Abu Qahouq, Wei Gu, Hong Mao, Wenkai Wu
Control Method And Circuit To Provide Voltage And Current Regulation For Multiphase Dc/Dc Converters, Issa Batarseh, Jaber Abu Qahouq, Wei Gu, Hong Mao, Wenkai Wu
UCF Patents
A multiphase DC/DC converter with voltage-mode hysteretic control and instantaneous current sharing functionality method and circuit. The disclosed method and circuit provides independent output voltage regulation and phases current regulation for the converter in two separate loops; one of which is concerned with voltage regulation preferably hysteretic regulation and the other which is concerned with phase current regulation. In one embodiment, each phase in the DC/DC converter is driven by a frequency divided signal derived directly from the output voltage ripple so that each phase has a switching frequency equal to the output voltage ripple frequency divided by the number …
Batt Insulation Hold-Down Clips, Jeffrey Sonne
Batt Insulation Hold-Down Clips, Jeffrey Sonne
UCF Patents
Hold-down clips for insulation. The clips have U-shaped bases for wrapping about the exposed edges of framing members such as 2.times.4s, 2.times.6s, 2.times.8s, and 2.times.10s, and the like, that are used under roofs, ceilings, floors and walls. The clips have side extending arms that abut against the insulation materials and can include protruding portions which further press the insulation material in place. The U-shaped bases can further include inwardly protruding bent tabs, dimples, and spike portions for further locking the clips to the framing members. The clips can be easily installed without the need for tools such as hammers, nail …
Lutetium Yttrium Orthosilicate Single Crystal Scintillator Detector, Bruce Chai, Yangyang Ji
Lutetium Yttrium Orthosilicate Single Crystal Scintillator Detector, Bruce Chai, Yangyang Ji
UCF Patents
A single crystal having the general composition, Ce.sub.2x (Lu.sub.1-y Y.sub.y).sub.2(1-x) SiO.sub.5 where x=approximately 0.00001 to approximately 0.05 and y=approximately 0.0001 to approximately 0.9999; preferably where x ranges from approximately 0.0001 to approximately 0.001 and y ranges from approximately 0.3 to approximately 0.8. The crystal is useful as a scintillation detector responsive to gamma ray or similar high energy radiation. The crystal as scintillation detector has wide application for the use in the fields of physics, chemistry, medicine, geology and cosmology because of its enhanced scintillation response to gamma rays, x-rays, cosmic rays and similar high energy particle radiation.
Treatment Of Breast Cancer, Delbert Miles, Elena Goun, Krasnych Pertrovna, Pimenova Valentinovna, Solodnikov Yyrjevitsh
Treatment Of Breast Cancer, Delbert Miles, Elena Goun, Krasnych Pertrovna, Pimenova Valentinovna, Solodnikov Yyrjevitsh
UCF Patents
Compounds of the class of 4-oxo-butenoic acid derivatives are disclosed along with the surprising use property of these compounds as a anti-tumor agents in humans against breast carcinoma, which include: 2-(N'-Fluoren-9-ylidene-hydrazino)-5,5-dimethyl-4-oxo-hex-2-enoic acid methyl ester (0F-06), 1-(2,4-Dimethyl-phenyl)-2,4-dihydroxy-3-(4-methyl-benzoyl)-5-oxo-2,5-dihydro-1H-pyrrole-2-carboxylic acid methyl ester (1F-07), 4-(4-Methoxy-phenyl)-2,4-dioxo-3-(phenyl-hydrazono)-butyric acid (3F-10), 4-(4-Chloro-phenyl)-2,4-dioxo-3-(phenyl-hydrazono)-butyric acid ethyl ester (3F-11), 2-Hydroxy-4-oxo-4-(2,3,5,6-tetrafluoro-4-methoxy-phenyl)-but-2-enoic acid (3F-15), and 4,4-Dihydroxy-5-(4-methyl-benzoyl)-2-phenyl-2,4-dihydro-pyrazol-3-one (3F-16) as well as some novel derivatives of these compounds claimed (see Table 2). The invention also encompasses a class of the compounds with the novel property of anti-tumor activity against human breast cancer, which includes the following compounds 4-(4-Ethoxy-phenyl)-2-(N'-fluoren-9-ylidene-hydrazino)-2-hydroxy-4-oxo-butyric acid methyl ester (0F-13); 2-{N'-[1-(4-Chloro-phenyl)-ethylidene]-hydrazino}-4-oxo-4-phenyl-but-2-enoic acid methyl …
Analog Pulse Position Modulation In Harmonically Mode-Locked Lasers, Robert Peale, Chris Fredricksen, Andrei Muravjov, Remco Strijbos, Sandra Withers
Analog Pulse Position Modulation In Harmonically Mode-Locked Lasers, Robert Peale, Chris Fredricksen, Andrei Muravjov, Remco Strijbos, Sandra Withers
UCF Patents
Analog pulse position modulation of pulsed emission from a laser, which is actively and harmonically mode-locked. The laser requires: a body of an active gain medium; means for changing the gain as a function of a controllable parameter; harmonically and actively mode-locking the laser by fast periodic changes of said parameter; and superimposing slower changes on the parameter whereby the fast periodic parameter changes can be continuously shifted between the peak and the shoulder of the gain-vs-parameter curve. As proof of concept, electric control of the separation between two interleaved pulse trains from a far-infrared (1.5-4 THz) p-Ge laser, which …
Ac-Dc Converter With Power Factor Correction (Pfc)., Issa Batarseh, Peter Kornetzky, Haui Wei
Ac-Dc Converter With Power Factor Correction (Pfc)., Issa Batarseh, Peter Kornetzky, Haui Wei
UCF Patents
One-stage power factor correction (PFC) with output electrical isolation. Two types of PFC converters are proposed here: 1) Multi stage capacitive-switching network low voltage PFC converter and 2) two-switch soft switching PFC converters. This resulted in a near unity power factor AC-DC converter with low voltage output. The second converter uses the power switch in combination with a grounded auxiliary switch to produce soft-switching converter to operate in high switching frequencies. Due to its simplified power stage and control circuit, this converter presents a variety of benefits including better efficiency (87%), lower costs, higher reliability, increased operating frequencies into the …
Interferometer With Optical Fiber Interconnected Dual Arm Sampler., Aristide Dogariu, Gabriel Popescu
Interferometer With Optical Fiber Interconnected Dual Arm Sampler., Aristide Dogariu, Gabriel Popescu
UCF Patents
An interferometric system includes first, second and third optical fibers with first and second couplers. The first coupler is configured to receive radiation through the first fiber, provide a first radiation portion through the second fiber and provide a second radiation portion through the third fiber to the second coupler. The system also includes fourth and fifth optical fibers each configured to receive radiation from the second coupler and transmit radiation for receipt by the other.
Process For Production Of High Efficiency Volume Diffractive Elements In Photo-Thermo-Refractive Glass, Leonid Glebov, Oleg Efimov, Larissa Glebova, Vladim Smirnov
Process For Production Of High Efficiency Volume Diffractive Elements In Photo-Thermo-Refractive Glass, Leonid Glebov, Oleg Efimov, Larissa Glebova, Vladim Smirnov
UCF Patents
A novel process is proposed for the volume diffractive element (Bragg grating) fabrication in photosensitive silicate glasses doped with silver, cerium, fluorine, and bromine. The process employs a photo-thermo-refractive (PTR) glass of high purity exposed to ultraviolet (UV) radiation of a He--Cd laser at 325 nm followed by thermal development at temperatures from 480.degree. C. to 580.degree. C., preferably at 520.degree. C., from several minutes to several hours. Absolute diffraction efficiency up to 95% was observed for 1 mm thick gratings. Maximum spatial frequency recorded in PTR glass was about of 10,000 mm.sup.-1. No decreasing of diffraction efficiency were detected …
Method For Characterizing Particles In A Liquid Medium Using Interferometry., Aristide Dogariu, Gabriel Popescu
Method For Characterizing Particles In A Liquid Medium Using Interferometry., Aristide Dogariu, Gabriel Popescu
UCF Patents
In a method for characterizing particles in a colloidal suspension, during a period in which the particles undergo sedimentation, changes are measured in the intensity among interference patterns generated by combining first and second partially coherent radiation portions. Each radiation portion is generated from the same source. The first portion includes a component transmitted through a fraction of the suspension, and the second portion is transmitted through a reference path.
Carbon Nanotube With A Graphitic Layer, Process And Application, Lee Chow, Stephen Kleckley, Dan Zhou
Carbon Nanotube With A Graphitic Layer, Process And Application, Lee Chow, Stephen Kleckley, Dan Zhou
UCF Patents
A method for manufacturing carbon nanotubes with an integrally attached outer graphitic layer is disclosed. The graphitic layer improves the ability to handle and manipulate the nanometer size nanotube device in various applications, such as a probe tip in scanning probe microscopes and optical microscopes, or as an electron emitting device. A thermal chemical vapor deposition reactor is the preferred reaction vessel in which a transition metal catalyst with an inert gas, hydrogen gas and a carbon-containing gas mixture are heated at various temperatures in a range between 500.degree. C. and 1000.degree. C. with gases and temperatures being adjusted periodically …
Apparatus For High Flux Photocatalytic Pollution Control Using A Rotating Fluidized Bed Reactor, Ali Raissi, Eric Martin, Nazim Muradov
Apparatus For High Flux Photocatalytic Pollution Control Using A Rotating Fluidized Bed Reactor, Ali Raissi, Eric Martin, Nazim Muradov
UCF Patents
An apparatus based on optimizing photoprocess energetics by decoupling of the process energy efficiency from the DRE for target contaminants. The technique is applicable to both low- and high-flux photoreactor design and scale-up. An apparatus for high-flux photocatalytic pollution control is based on the implementation of multifunctional metal oxide aerogels and other media in conjunction with a novel rotating fluidized particle bed reactor.
Adjustable Bore Capillary Discharge, William Silfvast
Adjustable Bore Capillary Discharge, William Silfvast
UCF Patents
An emitting capillary discharge light source is modified by means to provide for constant, capillary discharge chamber diameter despite interior surface erosion during operation of the light source in order to maintain capillary bore size. The emissions are generated within the capillary discharge chamber and discharged from its outlet. The emission also carries debris generated from within the capillary discharge chamber by erosion of its inner walls reducing its initial inner diameter. The debris is deleterious to the mirrors and other components positioned in the emission stream whereas the erosion distorts the plasma beam. This increase in the initial inner …
Closed Cycle Photocatlytic Process For Decomposition Of Hydrogen Sulfide To Its Constituent Elements Div, Clovis Linkous, Nazim Muradov
Closed Cycle Photocatlytic Process For Decomposition Of Hydrogen Sulfide To Its Constituent Elements Div, Clovis Linkous, Nazim Muradov
UCF Patents
System for separating hydrogen and sulfur from hydrogen sulfide (H.sub.2 S) gas produced from oil and gas waste streams. Hydrogen sulfide (H.sub.2 S) gas is passed into a scrubber and filtration unit where it encounters polysufide solution. Elemental sulfur is freed and filtered through a porous media and continues to a stripper where excess H.sub.2 S is removed. The excess H.sub.2 S returns to the scrubber and filtration unit, while the sulfide solution passes into a photoreactor. The sulfide solution inside the photoreactor is oxidatively converted to elemental sulfur and complexed with excess sulfide ion to make polysulfide ion, while …
Exact Filtered Back Projection (Fbp) Algorithm For Spiral Computer Tomography [Us], Alexander Katsevich
Exact Filtered Back Projection (Fbp) Algorithm For Spiral Computer Tomography [Us], Alexander Katsevich
UCF Patents
Reconstructing images of objects spirally scanned with two-dimensional detectors with a novel algorithm. The image reconstruction process is proven to create an exact image of the object under the ideal circumstances. The algorithm has an FBP (Filtered Back Projection) structure and works very efficiently. The algorithm uses less computer power and combines the benefits of Exact Algorithms and Approximate algorithms.
Method Of Identifying And Treating Invasive Carcinomas, Xinqing Chai, Julie Chao, Lee Chao, Limei Chen
Method Of Identifying And Treating Invasive Carcinomas, Xinqing Chai, Julie Chao, Lee Chao, Limei Chen
UCF Patents
Prostasin protein has been found to be a useful marker for determination of the invasiveness of and as a means to treat human carcinomas. Using RT-PCR and western blot analyses, prostasin protein and mRNA expression were found in normal human prostate epithelial cells and the human prostate cancer cell line LNCaP, but not in the highly invasive human prostate cancer cell lines DU-145 and PC-3. Imunohistochemistry studies of human prostate cancer specimens revealed a down-regulation of prostasin in high-grade tumors. Using RT-PCR and western blot analyses, prostasin protein and mRNA expression were found in a non-invasive human breast cancer cell …
Multi-Wavelength Solid State Infared Laser Div, Hans Jennsen, Scott Buchter, Hanna Hoffman, Anna Tabirian
Multi-Wavelength Solid State Infared Laser Div, Hans Jennsen, Scott Buchter, Hanna Hoffman, Anna Tabirian
UCF Patents
A long wavelength infrared laser system is disclosed where radiation from laser sources such as frequency-doubled Nd:YAG or a Cr:LiSAF is used to resonantly pump a gain medium consisting of a holmium-doped fluoride crystal having a high active ion concentration. The laser pump source has a pulse duration that may be short enough to gain switch a particular transition or long enough to allow end-pumping with high energy densities without damage. The gain material has an absorption approximately resonant with the pump source wavelength, and the dopant concentration is selected to maximize absorption strength for a given excitation. The output …