| Patent Number |
Title Of Patent |
Date Issued |
| 7593434 |
Compression design for high energy short pulse fiber laser |
September 22, 2009 |
| A fiber Chirped Pulse Amplification (CPA) laser system includes a fiber mode-locking oscillator for generating a laser for projecting to a fiber stretcher for stretching a pulse width of the laser. The fiber CPA laser system further includes a multistage amplifier for amplifying the lase |
| 7590155 |
Hybrid high power laser to achieve high repetition rate and high pulse energy |
September 15, 2009 |
| A fiber laser cavity that provides a new pulse shaping and spectral shaping technique is disclosed in this invention to achieve the purpose of resolving the difficulties arising from the issues related to Q-switched solid state lasers. The laser system achieves high repetition rate ( |
| 7555022 |
Reduction of pulse width by spectral broadening in amplification stage and after amplification s |
June 30, 2009 |
| This invention discloses a fiber Chirped Pulse Amplification (CPA) laser system. The system includes a fiber mode-locking oscillator for generating a seed laser. The laser system further includes a stretching stage for stretching the seed laser for projecting to an Yb doped amplifier |
| 7529278 |
Nonlinear polarization pulse shaping model locked fiber laser at one micron with photonic crysta |
May 5, 2009 |
| A fiber laser cavity that includes a laser gain medium for receiving an optical input projection from a laser pump, wherein the laser cavity further includes a normal dispersion fiber segment with a .beta.''>0 where .beta.'' representing a fiber dispersion, and an anomalous disper |
| 7526003 |
Nonlinear polarization pulse shaping mode locked fiber laser at one micron |
April 28, 2009 |
| A fiber laser cavity that includes a laser gain medium for receiving an optical input projection from a laser pump. The fiber laser cavity further includes a positive dispersion fiber segment and a negative dispersion fiber segment for generating a net negative dispersion for balanci |
| 7508848 |
Method and configurations in achieving high energy operation for photonic band gap (PGB) fiber w |
March 24, 2009 |
| A fiber Chirped Pulse Amplification (CPA) laser system includes a photonics band gap (PBG) fiber to function as a compressor. The PBG fiber is spliced with a fiber end cap that has an core expander for increasing a mode area of the PBG fiber. With increased mode area, the laser system |
| 7505489 |
Ultrahigh energy short pulse lasers |
March 17, 2009 |
| A Chirped pulse amplification (CPA) fiber laser system. The CPA fiber laser system includes a fiber mode-locking (ML) oscillator implemented as a cavity dumped ML oscillator including a cavity dumper for generating a seed laser at a reduced repetition rate to project to a pulse stretcher |
| 7495825 |
Integration of a gain equalization filter in a gain medium |
February 24, 2009 |
| An optical waveguide for use in amplifying light signals with an integrated gain equalization filter. The optical waveguide includes a gain section for amplifying light signals. The optical waveguide further includes an equalization filter to improve the uniformity of optical gain ov |
| 7477667 |
Practical approach for one mJ femtosecond fiber laser |
January 13, 2009 |
| A fiber Chirped Pulse Amplification (CPA) laser system includes a fiber mode-locking oscillator for generating a laser and stretching into a few hundreds ps-10 ns pulse by a fiber stretcher for projecting into an acoustic-optic (AO) functioning as a pulse picker for generated a modul |
| 7477666 |
All fiber based short pulse amplification at one micron |
January 13, 2009 |
| A fiber laser cavity that includes a laser gain medium for receiving an optical input projection from a laser pump. The fiber laser cavity further includes a positive dispersion fiber segment and a negative dispersion fiber segment for generating a net negative dispersion for balanci |
| 7477665 |
Electronically tuned self-starting polarization shaping mode locked fiber laser |
January 13, 2009 |
| A fiber laser cavity that includes a laser gain medium for receiving an optical input projection from a laser pump. The fiber laser cavity further includes a positive dispersion fiber segment and a negative dispersion fiber segment for generating a net negative dispersion for balanci |
| 7477664 |
Nonlinear polarization pulse shaping mode locked fiber laser |
January 13, 2009 |
| A fiber laser cavity that includes a laser gain medium for receiving an optical input projection from a laser pump. The fiber laser cavity further includes a positive dispersion fiber segment and a negative dispersion fiber segment for generating a net negative dispersion for balanci |
| 7466726 |
Fast continuously wavelength tuning single frequency fiber laser using tunable polymer optical f |
December 16, 2008 |
| A method for generating a laser projection by employing a laser gain medium for receiving an optical input projection from a laser pump. The method further includes a step of employing a mode selection filter comprising an electro-optical (EO) tunable layer disposed between two paral |
| 7440173 |
All fiber laser solution for spectral broadening and pulse stretching in a chirped pulse amplifi |
October 21, 2008 |
| A fiber Chirped Pulse Amplification (CPA) laser system includes a fiber mode-locking oscillator for generating a laser for projecting to a fiber stretcher for stretching a pulse width of the laser wherein the stretcher further comprising a self-phase modulation (SPM) assisted photonics |
| 7440171 |
Staged amplifier for lower noise figure and higher saturation power |
October 21, 2008 |
| An optical amplifier utilizes two or more doped fiber segments or portions to achieve a lower noise figure and a higher saturation power than would be possible using any one of the doped fiber segments. Each doped fiber portion may be considered to be a doped fiber optical amplifier, and |
| 7430226 |
Dispersion managed fiber stretcher for high-energy short pulse femotosecond fiber laser system |
September 30, 2008 |
| A fiber Chirped Pulse Amplification (CPA) laser system that includes a fiber mode-locking oscillator for generating a seed laser for projecting to a stretcher for generated a pulse-stretched laser for projecting to a multiple stage amplifier. The multiple stage amplifier further amplifyi |
| 7430224 |
Automatic dispersion compensation in amplification for short pulse fiber laser system |
September 30, 2008 |
| A fiber Chirped Pulse Amplification (CPA) laser system includes a fiber mode-locking oscillator for generating a laser for projecting to a fiber stretcher for stretching a pulse width of the laser wherein the stretcher further comprising a Photonic Bandgap (PBG) fiber having a lower |
| 7256930 |
High power pulse shaping fiber laser for high data rate free space telecommunication systems |
August 14, 2007 |
| An amplified laser source for amplifying a laser projection that includes a diode laser source modulated by a pulse generator applying an alternate high and low voltages higher and lower than a threshold voltage for projecting a modulated optical signal. The laser source further includes |
| 7031051 |
Dual fiber optic amplifier with shared pump source |
April 18, 2006 |
| A dual fiber optic amplifier uses a single pump source for two or more optical power amplifiers. The dual fiber optic amplifier includes a pump source that emits light, a pump splitter, a first optical power amplifier and a second optical power amplifier. The pump splitter splits the lig |
| 6987905 |
Simplified gain flattening and tap device |
January 17, 2006 |
| A gain flattening and tap device. A gain flattening filter for use in fiber-optic communications includes a substrate. A GFF film is formed on a first surface of the substrate. An HR film is formed on a second surface of the substrate. The HR film is arranged to receive light from th |
