Ultrashort-pulse amplifiers manufacturing● Constructing kHz Ti:sapphire amplifiers up to 7mJ pulse energy and 35fs pulse width. Optimizing spatial, polarization, spectral and temporal performance. Received commendation from field installation feedback.● Constructing and operating laser pulse conditioning, wavelength conversion and diagnostic devices including pulse picker, harmonic generators and single-shot autocorrelator.● Conducting optical bench experiments according to customer requests or in support of R&D projects. Performing statistical and FFT analyses on pulse energy and beam-pointing stability.● Tested argon/krypton ion lasers. Evaluated and recommended test instruments upgrade. Improved manufacturing methods documents.

● Frequency modulation Rayleigh-Brillouin spectrometer developmentIntegrated fiber and free-space amplifiers to generate pump-probe pulses. Programmed arbitrary waveform generator to evaluate novel RF modulation algorithms using LabVIEW. Optimized RF subsystem, electro-optic and acousto-optic modulators for pulse shaping and detection. Achieved 10 kHz low-noise spectral acquisition.Developed operation procedures. Trained visiting student scholars.● Laser-induced fluorescence study of mesospheric H atom + ozone reaction ratesAligned YAG and dye lasers and nonlinear harmonic generators. Implemented pump-probe layout with optical and electronic delay lines. Programmed instrument control and data collection software.

● Laser technology lead in developing innovative devices for cancer treatment and cosmetic enhancement.- Designed and executed experiments with state-of-the-art ultrafast intense lasers. Operated and maintained oscillators, regenerative/multi-pass amplifiers, OPAs and OPO. Devised precision laser beam conditioning and delivery apparatus integrating articulated medical arm, power attenuator, relay telescopes and Galvo scanners.- Constructed and automated pulse-width autocorrelator. Examined key beam parameters, implemented flexible diagnostic and adjustment procedures.- Carried out analytical and numerical calculations for the purpose of Gaussian beam propagation analysis, optimal treatment pattern design and FLIR thermal images processing.● Represented company on-site in fast-paced clinical trial.- Coordinated with and performed services alongside OEM laser and electrical engineers to ensure optimal device performance in the field.- Trained and collaborated with clinicians; enforced protocols in day-to-day clinical trial operation.

● Investigated novel photo-induced ultrafast reaction pathways of biochemical and halocarbon molecules using transient absorption and fluorescence spectroscopy. - Aligned and optimized ultrafast intense laser amplifiers. Built tunable NOPA laser. Employed wide range of nonlinear optics (SHG, THG, supercontinuum generation) in the production of femtosecond light sources ranging from UV to visible to IR.- Wrote pulse shaping software based on genetic algorithm for the automation of spatial-light modulator and acousto-optic shapers.- Presented results in peer-reviewed papers and Ultrafast Phenomena XVII conference.● Taught 3 semesters advanced undergraduate ‘Experiments in Modern Instrumental Analysis’ course.- Gave classroom lectures, oversaw laboratory experiments, mentored 6 graduate students instructors. Advised independent projects. Organized and evaluated end-of-term symposiums.

● Performed optical tweezers experiments on DNA molecules using Ytterbium fiber laser, supported product prototyping in collaboration with biologists and engineers. Eliminated errors in SOPs.

● Conducted experimental/theoretical research on ultrafast dynamics in various molecular systems using femtosecond Raman-induced Kerr spectroscopy.- Key findings were reported in first-authored publications including an Editors’ Choices 2009 manuscript in Journal of Chemical Physics.- Maintained, diagnosed and repaired ultrafast lasers and other optical apparatus, with occasional electrical wiring and plumbing. Programmed in LabVIEW and MATLAB for automated data collection and analysis.- Employed high pressure and vacuum experimental conditions.● Led general chemistry and physical chemistry labs and discussions.