Mode-locked solid state lasers using diode laser excitation

Holtom, Gary R

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Title: Mode-locked solid state lasers using diode laser excitation

Abstract

A mode-locked laser employs a coupled-polarization scheme for efficient longitudinal pumping by reshaped laser diode bars. One or more dielectric polarizers are configured to reflect a pumping wavelength having a first polarization and to reflect a lasing wavelength having a second polarization. An asymmetric cavity provides relatively large beam spot sizes in gain medium to permit efficient coupling to a volume pumped by a laser diode bar. The cavity can include a collimation region with a controlled beam spot size for insertion of a saturable absorber and dispersion components. Beam spot size is selected to provide stable mode locking based on Kerr lensing. Pulse durations of less than 100 fs can be achieved in Yb:KGW.

Inventors:

Holtom, Gary R ^[1]

Boston, MA

Issue Date:: Tue Mar 06 00:00:00 EST 2012

Research Org.:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1039883

Patent Number(s):: 8130800

Application Number:: 11/724,625

Assignee:: Battelle Memorial Institute (Richland, WA)

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
H01S3/0407 - {Liquid cooling, e.g. by water}
H01S3/0817 - {having 5 reflectors, i.e. W-shaped resonators}
H01S3/09415 - {the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping}
H01S3/1062 - {using a controlled passive interferometer, e.g. a Fabry-Perot etalon}
H01S3/1118 - {Solid state absorber, e.g. SESAM}
H01S3/1618 - {ytterbium}
H01S3/1675 - {titanate, germanate, molybdate, tungstate}

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DOE Contract Number:: AC05-76RL01830

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION

Citation Formats


                    Holtom, Gary R. Mode-locked solid state lasers using diode laser excitation.  United States: N. p., 2012. 
        Web.

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                    Holtom, Gary R. Mode-locked solid state lasers using diode laser excitation.  United States.

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                    Holtom, Gary R. Tue .  
        "Mode-locked solid state lasers using diode laser excitation".  United States.  https://www.osti.gov/servlets/purl/1039883.

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@article{osti_1039883,

  title        = {Mode-locked solid state lasers using diode laser excitation},

  author       = {Holtom, Gary R},

  abstractNote = {A mode-locked laser employs a coupled-polarization scheme for efficient longitudinal pumping by reshaped laser diode bars. One or more dielectric polarizers are configured to reflect a pumping wavelength having a first polarization and to reflect a lasing wavelength having a second polarization. An asymmetric cavity provides relatively large beam spot sizes in gain medium to permit efficient coupling to a volume pumped by a laser diode bar. The cavity can include a collimation region with a controlled beam spot size for insertion of a saturable absorber and dispersion components. Beam spot size is selected to provide stable mode locking based on Kerr lensing. Pulse durations of less than 100 fs can be achieved in Yb:KGW.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Mar 06 00:00:00 EST 2012},

  month        = {Tue Mar 06 00:00:00 EST 2012}

}

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Works referenced in this record:

Mode-locked Yb:KGW laser longitudinally pumped by polarization-coupled diode bars
journal, January 2006

Holtom, Gary R.
Optics Letters, Vol. 31, Issue 18
https://doi.org/10.1364/OL.31.002719

Optimization of fiber-coupled laser-diode end-pumped lasers: influence of pump-beam quality
journal, January 1996

Chen, Y. F.; Liao, T. S.; Kao, C. F.
IEEE Journal of Quantum Electronics, Vol. 32, Issue 11
https://doi.org/10.1109/3.541689

Yb3+-doped oxide crystals for diode-pumped solid state lasers: crystal growth, optical spectroscopy, new criteria of evaluation and combinatorial approach
journal, April 2003

Boulon, G.
Optical Materials, Vol. 22, Issue 2
https://doi.org/10.1016/S0925-3467(02)00350-6

Structures for additive pulse mode locking
journal, January 1991

Haus, H. A.; Fujimoto, J. G.; Ippen, E. P.
Journal of the Optical Society of America B, Vol. 8, Issue 10
https://doi.org/10.1364/JOSAB.8.002068

Mode locking in solitary lasers
journal, January 1991

Brabec, T.; Spielmann, Ch.; Krausz, F.
Optics Letters, Vol. 16, Issue 24
https://doi.org/10.1364/OL.16.001961

Diode-pumped Kerr-lens mode-locked Yb:KY(WO_4)_2 laser
journal, January 2001

Liu, H.; Nees, J.; Mourou, G.
Optics Letters, Vol. 26, Issue 21
https://doi.org/10.1364/OL.26.001723

Polarization beam splitters for pumping of Fii-center lasers
journal, January 1979

German, K. R.
Optics Letters, Vol. 4, Issue 2
https://doi.org/10.1364/OL.4.000068

60-W average power in 810-fs pulses from a thin-disk Yb:YAG laser
journal, January 2003

Innerhofer, E.; Südmeyer, T.; Brunner, F.
Optics Letters, Vol. 28, Issue 5
https://doi.org/10.1364/OL.28.000367

Yb^3+-doped YVO_4 crystal for efficient Kerr-lens mode locking in solid-state lasers
journal, January 2005

Lagatsky, A. A.; Sarmani, A. R.; Brown, C. T. A.
Optics Letters, Vol. 30, Issue 23
https://doi.org/10.1364/OL.30.003234

131 W 220 fs fiber laser system
journal, January 2005

Röser, F.; Rothhard, J.; Ortac, B.
Optics Letters, Vol. 30, Issue 20
https://doi.org/10.1364/OL.30.002754

Diode-pumped femtosecond Yb:KGd(WO_4)_2 laser with 11-W average power
journal, January 2000

Brunner, F.; Spühler, G. J.; Aus der Au, J.
Optics Letters, Vol. 25, Issue 15
https://doi.org/10.1364/OL.25.001119

Multielement stable resonators containing a variable lens
journal, January 1987

Magni, Vittorio
Journal of the Optical Society of America A, Vol. 4, Issue 10
https://doi.org/10.1364/JOSAA.4.001962

Thermal lensing in diode-pumped ytterbium Lasers-Part II: evaluation of quantum efficiencies and thermo-optic coefficients
journal, September 2004

Chenais, S.; Balembois, F.; Druon, F.
IEEE Journal of Quantum Electronics, Vol. 40, Issue 9
https://doi.org/10.1109/JQE.2004.833203

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Similar Records

Title: Mode-locked solid state lasers using diode laser excitation

Abstract

Citation Formats

Mode-locked Yb:KGW laser longitudinally pumped by polarization-coupled diode bars journal, January 2006

Optimization of fiber-coupled laser-diode end-pumped lasers: influence of pump-beam quality journal, January 1996

Yb3+-doped oxide crystals for diode-pumped solid state lasers: crystal growth, optical spectroscopy, new criteria of evaluation and combinatorial approach journal, April 2003

Structures for additive pulse mode locking journal, January 1991

Mode locking in solitary lasers journal, January 1991

Diode-pumped Kerr-lens mode-locked Yb:KY(WO_4)_2 laser journal, January 2001

Polarization beam splitters for pumping of Fii-center lasers journal, January 1979

60-W average power in 810-fs pulses from a thin-disk Yb:YAG laser journal, January 2003

Yb^3+-doped YVO_4 crystal for efficient Kerr-lens mode locking in solid-state lasers journal, January 2005

131 W 220 fs fiber laser system journal, January 2005

Diode-pumped femtosecond Yb:KGd(WO_4)_2 laser with 11-W average power journal, January 2000

Multielement stable resonators containing a variable lens journal, January 1987

Thermal lensing in diode-pumped ytterbium Lasers-Part II: evaluation of quantum efficiencies and thermo-optic coefficients journal, September 2004

Mode-locked Yb:KGW laser longitudinally pumped by polarization-coupled diode bars
journal, January 2006

Optimization of fiber-coupled laser-diode end-pumped lasers: influence of pump-beam quality
journal, January 1996

Yb3+-doped oxide crystals for diode-pumped solid state lasers: crystal growth, optical spectroscopy, new criteria of evaluation and combinatorial approach
journal, April 2003

Structures for additive pulse mode locking
journal, January 1991

Mode locking in solitary lasers
journal, January 1991

Diode-pumped Kerr-lens mode-locked Yb:KY(WO_4)_2 laser
journal, January 2001

Polarization beam splitters for pumping of Fii-center lasers
journal, January 1979

60-W average power in 810-fs pulses from a thin-disk Yb:YAG laser
journal, January 2003

Yb^3+-doped YVO_4 crystal for efficient Kerr-lens mode locking in solid-state lasers
journal, January 2005

131 W 220 fs fiber laser system
journal, January 2005

Diode-pumped femtosecond Yb:KGd(WO_4)_2 laser with 11-W average power
journal, January 2000

Multielement stable resonators containing a variable lens
journal, January 1987

Thermal lensing in diode-pumped ytterbium Lasers-Part II: evaluation of quantum efficiencies and thermo-optic coefficients
journal, September 2004