Transverse pumped laser amplifier architecture

Bayramian, Andrew James; Manes, Kenneth R.; Deri, Robert; Erlandson, Alvin; Caird, John; Spaeth, Mary L.

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Title: Transverse pumped laser amplifier architecture

Abstract

An optical gain architecture includes a pump source and a pump aperture. The architecture also includes a gain region including a gain element operable to amplify light at a laser wavelength. The gain region is characterized by a first side intersecting an optical path, a second side opposing the first side, a third side adjacent the first and second sides, and a fourth side opposing the third side. The architecture further includes a dichroic section disposed between the pump aperture and the first side of the gain region. The dichroic section is characterized by low reflectance at a pump wavelength and high reflectance at the laser wavelength. The architecture additionally includes a first cladding section proximate to the third side of the gain region and a second cladding section proximate to the fourth side of the gain region.

Inventors:: Bayramian, Andrew James; Manes, Kenneth R.; Deri, Robert; Erlandson, Alvin; Caird, John; Spaeth, Mary L.

Issue Date:: 2015-05-19

Research Org.:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1179793

Patent Number(s):: 9036677

Application Number:: 13/910,996

Assignee:: Lawrence Livermore National Security, LLC (Livermore, CA)

Patent Classifications (CPCs):: H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01S - DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01S - DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT
H01S2301/02 - ASE
H01S3/005 - {Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
H01S3/0092 - {Nonlinear frequency conversion, e.g. second harmonic generation [SHG] or sum- or difference-frequency generation outside the laser cavity
H01S3/0404 - {Air- or gas cooling, e.g. by dry nitrogen}
H01S3/042 - for solid state lasers {
H01S3/0606 - {with polygonal cross-section, e.g. slab, prism
H01S3/0612 - {Non-homogeneous structure
H01S3/07 - consisting of a plurality of parts, e.g. segments
H01S3/094 - by coherent light
H01S3/094057 - {by tapered duct or homogenized light pipe, e.g. for concentrating pump light}
H01S3/094084 - {with pump light recycling, i.e. with reinjection of the unused pump light, e.g. by reflectors or circulators}
H01S3/0941 - of a laser diode
H01S3/09415 - {the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping}
H01S3/1603 - {rare earth}
H01S3/1608 - {erbium}
H01S3/1611 - {neodymium}
H01S3/1616 - {thulium}
H01S3/1618 - {ytterbium}
H01S3/1643 - {YAG}
H01S3/165 - {with the formula MF2, wherein M is Ca, Sr or Ba}
H01S3/17 - amorphous, e.g. glass
H01S3/2316 - {Cascaded amplifiers}
H01S3/2341 - {Four pass amplifiers}
H01S5/4012 - {Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms}
H01S5/4025 - {Array arrangements, e.g. constituted by discrete laser diodes or laser bar

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DOE Contract Number:: AC52-07NA27344

Resource Type:: Patent

Resource Relation:: Patent File Date: 2013 Jun 05

Country of Publication:: United States

Language:: English

Subject:: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION

Citation Formats


                    Bayramian, Andrew James, Manes, Kenneth R., Deri, Robert, Erlandson, Alvin, Caird, John, and Spaeth, Mary L. Transverse pumped laser amplifier architecture.  United States: N. p., 2015. 
        Web.

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                    Bayramian, Andrew James, Manes, Kenneth R., Deri, Robert, Erlandson, Alvin, Caird, John, & Spaeth, Mary L. Transverse pumped laser amplifier architecture.  United States.

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                    Bayramian, Andrew James, Manes, Kenneth R., Deri, Robert, Erlandson, Alvin, Caird, John, and Spaeth, Mary L. Tue .  
        "Transverse pumped laser amplifier architecture".  United States.  https://www.osti.gov/servlets/purl/1179793.

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@article{osti_1179793,

  title        = {Transverse pumped laser amplifier architecture},

  author       = {Bayramian, Andrew James and Manes, Kenneth R. and Deri, Robert and Erlandson, Alvin and Caird, John and Spaeth, Mary L.},

  abstractNote = {An optical gain architecture includes a pump source and a pump aperture. The architecture also includes a gain region including a gain element operable to amplify light at a laser wavelength. The gain region is characterized by a first side intersecting an optical path, a second side opposing the first side, a third side adjacent the first and second sides, and a fourth side opposing the third side. The architecture further includes a dichroic section disposed between the pump aperture and the first side of the gain region. The dichroic section is characterized by low reflectance at a pump wavelength and high reflectance at the laser wavelength. The architecture additionally includes a first cladding section proximate to the third side of the gain region and a second cladding section proximate to the fourth side of the gain region.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2015},

  month        = {5}

}

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Title: Transverse pumped laser amplifier architecture

Abstract

Citation Formats

Laser apparatus patent, October 1979

Packed fluidized bed blanket for fusion reactor patent, February 1984

Inertial confinement fusion method producing line source radiation fluence patent, April 1984

Fusion blanket and method for producing directly fabricable fissile fuel patent, May 1987

Unified first wall-blanket structure for plasma device applications patent, October 1987

Apparatus for nuclear transmutation and power production using an intense accelerator-generated thermal neutron flux patent, November 1992

High power regenerative laser amplifier patent, February 1994

Optical parametric oscillator with unstable resonator patent, February 1995

Self starting femtosecond Ti Sapphire laser with intracavity multiquantum well saturable absorber patent, July 1995

Laser system and method for gain medium with output beam transverse profile tailoring longitudinal strips patent, September 2003

Laser ignition patent, January 2004

Parasitic oscillation suppression in solid state lasers using optical coatings patent, June 2005

Diode-pumped laser with funnel-coupled pump source patent, November 2005

Power scalable optical systems for generating, transporting, and delivering high power, high quality laser beams patent, March 2007

Method and apparatus for spectral-beam combining of megawatt-peak-power beams from photonic-crystal rods patent, June 2008

Gain media edge treatment to suppress amplified spontaneous emission in a high power laser patent, February 2011

High-average power active mirror solid-state laser with multiple subapertures patent-application, August 2002

Laser apparatus
patent, October 1979

Packed fluidized bed blanket for fusion reactor
patent, February 1984

Inertial confinement fusion method producing line source radiation fluence
patent, April 1984

Fusion blanket and method for producing directly fabricable fissile fuel
patent, May 1987

Unified first wall-blanket structure for plasma device applications
patent, October 1987

Apparatus for nuclear transmutation and power production using an intense accelerator-generated thermal neutron flux
patent, November 1992

High power regenerative laser amplifier
patent, February 1994

Optical parametric oscillator with unstable resonator
patent, February 1995

Self starting femtosecond Ti Sapphire laser with intracavity multiquantum well saturable absorber
patent, July 1995

Laser system and method for gain medium with output beam transverse profile tailoring longitudinal strips
patent, September 2003

Laser ignition
patent, January 2004

Parasitic oscillation suppression in solid state lasers using optical coatings
patent, June 2005

Diode-pumped laser with funnel-coupled pump source
patent, November 2005

Power scalable optical systems for generating, transporting, and delivering high power, high quality laser beams
patent, March 2007

Method and apparatus for spectral-beam combining of megawatt-peak-power beams from photonic-crystal rods
patent, June 2008

Gain media edge treatment to suppress amplified spontaneous emission in a high power laser
patent, February 2011

High-average power active mirror solid-state laser with multiple subapertures
patent-application, August 2002