Patents Assigned to Deep Photonics Corporation
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Patent number: 7764719Abstract: A fiber laser system includes a master oscillator configured to generate linear polarized infrared laser radiation with wavelengths of 1015-1085 nm, pulses with durations of 100 ps to 10 ns, pulse train repetition rates of 1 kHz to 10 MHz, spectral bandwidth less than 0.5 nm, and a predominately single spatial mode and a polarization-maintaining optical isolator optically coupled to the master oscillator. The fiber laser system also includes a fiber amplifier system optically coupled to the optical isolator and including a power amplifier configured to amplify the laser radiation transmitted through the optical isolator. The power amplifier includes a polarization-maintaining, large-mode-area, multiple-clad Yb-doped gain fiber having a core, an inner cladding, and at least an outer cladding, one or more diode pump lasers emitting pump light of a nominal wavelength of 976 nm, and a pump coupler configured to couple the pump light into the gain fiber.Type: GrantFiled: July 3, 2008Date of Patent: July 27, 2010Assignee: Deep Photonics CorporationInventors: Michael J. Munroe, Theodore Alekel, David A. Dutton, David H. Foster, Joseph G. LaChapelle
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Patent number: 7733922Abstract: A fiber laser system includes a predominately single spatial mode, linearly polarized master oscillator providing a set of optical pulses and a polarization-maintaining optical isolator optically coupled to the master oscillator. The fiber laser system also includes a fiber amplifier optically coupled to the optical isolator and including a power amplifier comprising a double clad gain fiber, one or more pump lasers, and a pump coupler. The fiber laser system further includes a pulse compression stage optically coupled to the fiber amplifier. The pulse compression stage includes a volume holographic phase grating. Moreover, the fiber laser system includes a nonlinear frequency conversion stage optically coupled to the pulse compression stage.Type: GrantFiled: September 26, 2008Date of Patent: June 8, 2010Assignee: Deep Photonics CorporationInventors: Michael J. Munroe, Theodore Alekel, David A. Dutton, David H. Foster, Joseph G. LaChapelle
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Publication number: 20090256120Abstract: A nonlinear optical crystal having a chemical formula of YiLajAlkB16O48, where 2.8?i?3.2, 0.8?j?1.2, i and j sum to about four, and k is about 12 is provided. The nonlinear optical crystal is useful for nonlinear optical applications including frequency conversion. Nonlinear optical crystals in a specific embodiment are characterized by UV blocking materials (e.g., some transition metals and lanthanides) at concentrations of less than 1,000 parts per million, providing high transmittance over portions of the UV spectrum (e.g., 175-360 nm).Type: ApplicationFiled: March 14, 2009Publication date: October 15, 2009Applicant: Deep Photonics CorporationInventor: Theodore Alekel
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Publication number: 20090201954Abstract: An apparatus for producing coherent, pulsed ultraviolet light with pulse durations that range between 1 ps and 1 ?s includes one or more source lasers in the visible or near-infrared frequency range. The apparatus also includes one or more FC stages, at least one of the one or more FC stages including a nonlinear FC device and one or more optical elements. The optical elements include a reflector, a focusing element, a polarization-controlling optic, a wavelength separator, or a fiber optic component. The FC device includes a huntite-type aluminum double borate nonlinear optical material configured to produce FC light having a wavelength between 190 and 350 nm and a composition given by RAl3B4O12, where R comprises one or a plurality of elements {Sc, La, Y, Lu}. The nonlinear optical material is characterized by an optical transmission greater than 70% over the wavelength range of 190 to 350 nm.Type: ApplicationFiled: July 31, 2008Publication date: August 13, 2009Applicant: Deep Photonics CorporationInventors: Theodore Alekel, David A. Dutton, David H. Foster, Joseph G. LaChapelle, Michael J. Munroe
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Publication number: 20090185588Abstract: A system for producing frequency converted light includes a first seed laser operable to provide a first laser signal and a second seed laser operable to provide a second laser signal. The system also includes an optical combiner optically coupled to the first seed laser and the second seed laser. The optical combiner is operative to combine the first laser signal and the second laser signal into a combined laser signal. The system further includes a power amplifier optically coupled to the optical combiner. An intensity of both the first laser signal and the second laser signal are increased by the power amplifier. The system additionally includes a harmonic converter optically coupled to the power amplifier.Type: ApplicationFiled: January 15, 2009Publication date: July 23, 2009Applicant: Deep Photonics CorporationInventor: Michael J. Munroe
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Publication number: 20090107962Abstract: An apparatus for producing coherent pulsed light with a fiber-based master oscillator/fiber amplifier architecture includes a fiber-coupled mode-locked laser source. The fiber-coupled mode-locked laser source is configured to provide pulses having a pulse duration of less than 1 ns. The apparatus also includes a fiber-coupled amplitude modulator optically coupled to the fiber-coupled mode-locked laser source. The fiber-coupled amplitude modulator is capable of gate durations greater than 1 ns. The apparatus further includes a saturated fiber power amplifier optically coupled to the fiber-coupled amplitude modulator.Type: ApplicationFiled: August 29, 2008Publication date: April 30, 2009Applicant: Deep Photonics CorporationInventors: Michael J. Munroe, David A. Dutton, Joseph G. LaChapelle
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Patent number: 7504053Abstract: A nonlinear optical crystal having a chemical formula of YiLajAlkB16O48, where 2.8?i?3.2, 0.8?j?1.2, i and j sum to about four, and k is about 12 is provided. The nonlinear optical crystal is useful for nonlinear optical applications including frequency conversion. Nonlinear optical crystals in a specific embodiment are characterized by UV blocking materials (e.g., some transition metals and lanthanides) at concentrations of less than 1,000 parts per million, providing high transmittance over portions of the UV spectrum (e.g., 175-360 nm).Type: GrantFiled: June 16, 2008Date of Patent: March 17, 2009Assignee: Deep Photonics CorporationInventor: Theodore Alekel
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Publication number: 20090067035Abstract: An apparatus for producing coherent, continuous wave, ultraviolet light, includes one or more source lasers in the visible or near-infrared frequency range. The apparatus also includes one or more frequency conversion stages. Each of the one or more frequency conversion stages includes one or more reflectors, an optical resonator, one or more waveguide components, or one or more fiber optic components. At least one of the one or more frequency conversion stages includes a huntite-type aluminum double borate nonlinear optical material to produce light having a wavelength between 190 and 350 nm. The huntite-type aluminum double borate material has a composition given by MAl3B4O12, where M is one or a plural combination of elements {Sc, La, Y, or Lu}.Type: ApplicationFiled: July 10, 2008Publication date: March 12, 2009Applicant: Deep Photonics CorporationInventors: David H. Foster, Theodore Alekel, David A. Dutton, Joseph G. LaChapelle, Michael J. Munroe
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Publication number: 20090046746Abstract: A fiber laser system includes a master oscillator configured to generate linear polarized infrared laser radiation with wavelengths of 1015-1085 nm, pulses with durations of 100 ps to 10 ns, pulse train repetition rates of 1 kHz to 10 MHz, spectral bandwidth less than 0.5 nm, and a predominately single spatial mode and a polarization-maintaining optical isolator optically coupled to the master oscillator. The fiber laser system also includes a fiber amplifier system optically coupled to the optical isolator and including a power amplifier configured to amplify the laser radiation transmitted through the optical isolator. The power amplifier includes a polarization-maintaining, large-mode-area, multiple-clad Yb-doped gain fiber having a core, an inner cladding, and at least an outer cladding, one or more diode pump lasers emitting pump light of a nominal wavelength of 976 nm, and a pump coupler configured to couple the pump light into the gain fiber.Type: ApplicationFiled: July 3, 2008Publication date: February 19, 2009Applicant: Deep Photonics CorporationInventors: Michael J. Munroe, Theodore Alekel, David A. Dutton, David H. Foster, Joseph G. LaChapelle
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Publication number: 20080198880Abstract: A fiber laser with reduced stimulated Brillouin scattering includes a spool having a height and characterized by an induced temperature gradient with the height. The fiber laser also includes a fiber wrapped on the spool and characterized by a signal power increasing along the length of the fiber. The induced temperature gradient is a function of the signal power along the fiber.Type: ApplicationFiled: February 19, 2008Publication date: August 21, 2008Applicant: Deep Photonics CorporationInventors: Michael J. Munroe, David H. Foster, Joseph G. LaChapelle, Cary S. Kiest
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Publication number: 20080014135Abstract: A compound for non-linear optics for use at 350 nm and below. The compound includes a material for non-linear optics comprising AxM(1-x)Al3B4O12. x is larger than or equal to zero and smaller than or equal to 0.1, A is selected from a group consisting of Sc, Y, La, Yb, and Lu, and M is selected from a group consisting of Sc, Y, La, Yb, and Lu. The compound is free from a molybdenum bearing impurity of at least 1000 parts per million.Type: ApplicationFiled: June 15, 2007Publication date: January 17, 2008Applicant: Deep Photonics CorporationInventor: Theodore Alekel
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Publication number: 20060054864Abstract: A compound for non-linear optics for use at 350 nm and below. The compound includes a material for non-linear optics comprising AxM(1-x)Al3B4O12. x is larger than or equal to zero and smaller than or equal to 0.1, A is selected from a group consisting of Sc, Y, La, Yb, and Lu, and M is selected from a group consisting of Sc, Y, La, Yb, and Lu. The compound is free from a molybdenum bearing impurity of at least 1000 parts per million.Type: ApplicationFiled: April 14, 2005Publication date: March 16, 2006Applicant: Deep Photonics CorporationInventors: Theodore Alekel, Douglas Keszler, Ning Ye